Texas Coastal Marine Forecast
Expires:202608122100;;046425 FZUS54 KLCH 120809 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 308 AM CDT Wed Aug 12 2026 Coastal waters from the Lower Atchafalaya River LA to High Island TX out 60 nautical miles including Sabine and Calcasieu Lakes and Vermilion and Cote Blanche Bays Seas are provided as a range of the average height of the highest one third of the waves, along with the occasional height of the average highest ten percent of the waves. GMZ450-122100- Coastal waters from Cameron LA to High Island TX out 20 NM- 308 AM CDT Wed Aug 12 2026 .TODAY...Southwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. .TONIGHT...South winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds. .THURSDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. .THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds. .FRIDAY...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .SATURDAY...South winds 5 to 10 knots. Seas around 2 feet. .SATURDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. .SUNDAY...West winds around 5 knots, becoming south in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. .SUNDAY NIGHT...Southwest winds around 10 knots. Seas around 2 feet. $$ Expires:202608122100;;046420 FZUS54 KLCH 120809 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 308 AM CDT Wed Aug 12 2026 Coastal waters from the Lower Atchafalaya River LA to High Island TX out 60 nautical miles including Sabine and Calcasieu Lakes and Vermilion and Cote Blanche Bays Seas are provided as a range of the average height of the highest one third of the waves, along with the occasional height of the average highest ten percent of the waves. GMZ400-122100- 308 AM CDT Wed Aug 12 2026 .Synopsis for Lower Atchafalaya River LA to High Island TX out 60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote Blanche Bays... Surface high pressure over the northeast Gulf will keep winds out of the south around 5-15 kt throughout the forecast period. A few showers/storms are possible through today, after which high pressure aloft will build and help keep rain chances near zero through the end of the week. $$ Expires:202608121815;;038382 FZUS54 KHGX 120534 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 1234 AM CDT Wed Aug 12 2026 Upper Texas coastal waters from High Island to the Matagorda Ship Channel out 60 nautical miles including Galveston and Matagorda Bays. Seas are provided as a range of the average height of the highest 1/3 of the waves...along with the occasional height of the average highest 10 percent of the waves. GMZ350-355-121815- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 1234 AM CDT Wed Aug 12 2026 .REST OF TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 4 seconds. .WEDNESDAY NIGHT...South winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: Southwest 2 feet at 4 seconds. .THURSDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. .THURSDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet. .FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. .SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. .SATURDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. .SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. $$ Expires:202608121815;;038383 FZUS54 KHGX 120534 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 1234 AM CDT Wed Aug 12 2026 Upper Texas coastal waters from High Island to the Matagorda Ship Channel out 60 nautical miles including Galveston and Matagorda Bays. Seas are provided as a range of the average height of the highest 1/3 of the waves...along with the occasional height of the average highest 10 percent of the waves. GMZ370-375-121815- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM-Waters from High Island to Freeport TX from 20 to 60 NM- 1234 AM CDT Wed Aug 12 2026 .REST OF TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southwest 1 foot at 4 seconds. .WEDNESDAY NIGHT...South winds around 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 4 feet. Wave Detail: Southwest 2 feet at 4 seconds. .THURSDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southwest 3 feet at 5 seconds. .THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: Southeast 2 feet at 6 seconds. .FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. .SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. .SUNDAY...Southeast winds around 5 knots. Seas 2 to 3 feet. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. $$ Expires:202608121815;;038382 FZUS54 KHGX 120534 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 1234 AM CDT Wed Aug 12 2026 Upper Texas coastal waters from High Island to the Matagorda Ship Channel out 60 nautical miles including Galveston and Matagorda Bays. Seas are provided as a range of the average height of the highest 1/3 of the waves...along with the occasional height of the average highest 10 percent of the waves. GMZ350-355-121815- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 1234 AM CDT Wed Aug 12 2026 .REST OF TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 4 seconds. .WEDNESDAY NIGHT...South winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: Southwest 2 feet at 4 seconds. .THURSDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. .THURSDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet. .FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. .SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. .SATURDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. .SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. $$ Expires:202608121815;;038383 FZUS54 KHGX 120534 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 1234 AM CDT Wed Aug 12 2026 Upper Texas coastal waters from High Island to the Matagorda Ship Channel out 60 nautical miles including Galveston and Matagorda Bays. Seas are provided as a range of the average height of the highest 1/3 of the waves...along with the occasional height of the average highest 10 percent of the waves. GMZ370-375-121815- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM-Waters from High Island to Freeport TX from 20 to 60 NM- 1234 AM CDT Wed Aug 12 2026 .REST OF TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southwest 1 foot at 4 seconds. .WEDNESDAY NIGHT...South winds around 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 4 feet. Wave Detail: Southwest 2 feet at 4 seconds. .THURSDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southwest 3 feet at 5 seconds. .THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: Southeast 2 feet at 6 seconds. .FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. .SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. .SUNDAY...Southeast winds around 5 knots. Seas 2 to 3 feet. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. $$ Expires:202608121815;;038381 FZUS54 KHGX 120534 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 1234 AM CDT Wed Aug 12 2026 Upper Texas coastal waters from High Island to the Matagorda Ship Channel out 60 nautical miles including Galveston and Matagorda Bays. Seas are provided as a range of the average height of the highest 1/3 of the waves...along with the occasional height of the average highest 10 percent of the waves. GMZ330-121815- Matagorda Bay- 1234 AM CDT Wed Aug 12 2026 .REST OF TONIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .WEDNESDAY...South winds 10 to 15 knots. Bay waters slightly choppy. .WEDNESDAY NIGHT...South winds 15 to 20 knots. Bay waters choppy. .THURSDAY...South winds 10 to 15 knots with gusts up to 20 knots. Bay waters slightly choppy. .THURSDAY NIGHT...Southeast winds 15 to 20 knots, becoming south around 15 knots after midnight. Bay waters choppy, diminishing to slightly choppy after midnight. .FRIDAY...Southeast winds 10 to 15 knots. Bay waters slightly choppy. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters slightly choppy. .SATURDAY...Southeast winds around 10 knots, increasing to 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots, becoming south around 10 knots after midnight. Bay waters slightly choppy, diminishing to smooth after midnight. .SUNDAY...Southeast winds 5 to 10 knots. Bay waters smooth. .SUNDAY NIGHT...Southeast winds 10 to 15 knots, becoming south around 10 knots after midnight. Bay waters slightly choppy, diminishing to smooth after midnight. $$ Expires:202608121815;;038379 FZUS54 KHGX 120534 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 1234 AM CDT Wed Aug 12 2026 Upper Texas coastal waters from High Island to the Matagorda Ship Channel out 60 nautical miles including Galveston and Matagorda Bays. Seas are provided as a range of the average height of the highest 1/3 of the waves...along with the occasional height of the average highest 10 percent of the waves. GMZ300-121815- 1234 AM CDT Wed Aug 12 2026 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. A prevailing south to southeast flow will continue for the next several days. Wind are expected to increase Wednesday night into Friday as the pressure gradient tightens. This will allow seas to increase into the 3 to 5 foot range. Caution flags may be needed at times. As higher pressure builds into the region from the east, winds and seas should diminish this weekend. $$Texas Coastal Marine Forecast
Expires:202608121915;;043597 FZUS54 KCRP 120659 CWFCRP Coastal Waters Forecast for Texas National Weather Service Corpus Christi TX 159 AM CDT Wed Aug 12 2026 Middle Texas coastal waters from Baffin Bay to Matagorda ship channel out to 60 nautical miles. Seas are provided as a range of the average height of the highest 1/3 of the waves...along with occasional height of the average highest 10 percent of the waves. GMZ270-275-121915- Waters from Baffin Bay to Port Aransas from 20 to 60 NM- Waters from Port Aransas to Matagorda Ship Channel from 20 to 60 NM- 159 AM CDT Wed Aug 12 2026 .TODAY...South winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. .TONIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 5 seconds. .THURSDAY...South winds 15 to 20 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. .THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. .FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of showers and thunderstorms. .FRIDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. .SATURDAY...Southeast winds around 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet. .SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ Expires:202608121915;;043596 FZUS54 KCRP 120659 CWFCRP Coastal Waters Forecast for Texas National Weather Service Corpus Christi TX 159 AM CDT Wed Aug 12 2026 Middle Texas coastal waters from Baffin Bay to Matagorda ship channel out to 60 nautical miles. Seas are provided as a range of the average height of the highest 1/3 of the waves...along with occasional height of the average highest 10 percent of the waves. GMZ250-121915- Coastal waters from Baffin Bay to Port Aransas out 20 NM- 159 AM CDT Wed Aug 12 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...South winds 10 to 15 knots with gusts up to 20 knots, becoming southeast 15 to 20 knots with gusts up to 25 knots late. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 5 seconds. .TONIGHT...South winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 5 seconds. .THURSDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. .THURSDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. .FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. .FRIDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. .SATURDAY...Southeast winds 10 to 15 knots. Seas around 3 feet. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet. .SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. .SUNDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. $$ Expires:202204060415;;857702 FZUS54 KCRP 051559 AAA CWFCRP Coastal Waters Forecast...UPDATED National Weather Service Corpus Christi TX 1059 AM CDT Tue Apr 5 2022 Middle Texas coastal waters from Baffin Bay to Matagorda ship channel out to 60 nautical miles. Seas are provided as a range of the average height of the highest 1/3 of the waves...along with occasional height of the average highest 10 percent of the waves. GMZ230-060415- Bays and Waterways from Baffin Bay to Port Aransas- 1059 AM CDT Tue Apr 5 2022 .REST OF TODAY...Southeast wind 5 to 10 knots. Bays smooth. .TONIGHT...Southeast wind around 10 knots shifting south after midnight. Bays slightly choppy to occasionally choppy. A slight chance of showers and thunderstorms in the evening. Patchy fog in the evening. Areas of fog after midnight. .WEDNESDAY...Southwest wind 10 to 15 knots becoming north 15 to 20 knots in the afternoon. Bays choppy to occasionally rough. Patchy fog in the morning. .WEDNESDAY NIGHT...North wind 20 to 25 knots. Bays choppy to rough. .THURSDAY...Northeast wind 15 to 20 knots. Bays choppy to occasionally rough. .THURSDAY NIGHT...Northeast wind 10 to 15 knots. Bays slightly choppy to occasionally choppy. .FRIDAY...North wind 10 to 15 knots shifting southeast in the afternoon. Bays slightly choppy to occasionally choppy. .FRIDAY NIGHT...Southeast wind 15 to 20 knots becoming south 10 to 15 knots after midnight. Bays choppy. .SATURDAY...South wind 10 to 15 knots becoming southeast 15 to 20 knots in the afternoon. Bays choppy. .SATURDAY NIGHT...Southeast wind around 20 knots. Bays choppy to occasionally rough. $$ Expires:202608121915;;043592 FZUS54 KCRP 120659 CWFCRP Coastal Waters Forecast for Texas National Weather Service Corpus Christi TX 159 AM CDT Wed Aug 12 2026 Middle Texas coastal waters from Baffin Bay to Matagorda ship channel out to 60 nautical miles. Seas are provided as a range of the average height of the highest 1/3 of the waves...along with occasional height of the average highest 10 percent of the waves. GMZ200-121915- 159 AM CDT Wed Aug 12 2026 .SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS... Moderate to occasionally fresh southeasterly flow will persist through this week for most of the waters. Bays and waters along the coast south of Port Aransas will have a fresh breeze during the afternoon and evening hours. Small Craft Advisories may be necessary today and Thursday for the aforementioned area. Winds weaken slightly heading into the weekend. $$ Expires:202608122015;;044097 FZUS54 KBRO 120709 CWFBRO Coastal Waters Forecast for the Lower Texas Coast National Weather Service Brownsville TX 209 AM CDT Wed Aug 12 2026 Lower Texas coastal waters from Baffin Bay to the mouth of the Rio Grande out 60 NM. Seas are provided as a range of the average height of the highest 1/3 of the waves, along with the occasional height of the average highest 10 percent of the waves. GMZ100-122015- 209 AM CDT Wed Aug 12 2026 .SYNOPSIS...Moderate winds and seas will prevail along the Lower Texas Coast through late week. Slightly stronger winds will lead to Small Craft Exercise Caution conditions and possibly Small Craft Advisory conditions through Friday, especially on the Laguna Madre and nearshore Gulf waters. Marine conditions should improve for the weekend. $$ Expires:202608122015;;044099 FZUS54 KBRO 120709 CWFBRO Coastal Waters Forecast for the Lower Texas Coast National Weather Service Brownsville TX 209 AM CDT Wed Aug 12 2026 Lower Texas coastal waters from Baffin Bay to the mouth of the Rio Grande out 60 NM. Seas are provided as a range of the average height of the highest 1/3 of the waves, along with the occasional height of the average highest 10 percent of the waves. GMZ150-155-122015- Gulf waters from Port Mansfield to the Rio Grande out 20 nm- Gulf waters from Baffin Bay to Port Mansfield out 20 nm- 209 AM CDT Wed Aug 12 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...South winds 10 to 15 knots, becoming southeast 15 to 20 knots with gusts up to 25 knots this afternoon. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. .TONIGHT...Southeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds. .THURSDAY...Southeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. .THURSDAY NIGHT...Southeast winds 15 to 20 knots, becoming south 10 to 15 knots early in the morning. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. .FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .SATURDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. .SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. .SUNDAY NIGHT...Southeast winds around 10 knots, becoming 5 to 10 knots after midnight. Seas 2 to 3 feet. $$