Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX
Issued by NWS Houston/Galveston, TX
541 FZUS54 KHGX 180324 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 1024 PM CDT Mon Aug 17 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. GMZ300-181615- 1024 PM CDT Mon Aug 17 2026 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. A prevailing south to southeast flow and seas of 2-3 feet will continue for the next several days. Winds may become more southwesterly overnight and during the early morning hours. High pressure will dominate the weather pattern, leading to persistent hot and dry weather. $$ GMZ335-181615- Galveston Bay- 1024 PM CDT Mon Aug 17 2026 .REST OF TONIGHT...South winds 5 to 10 knots. Bay waters smooth. .TUESDAY...Southwest winds around 10 knots, becoming south 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon. .TUESDAY NIGHT...Southwest winds 10 to 15 knots. Bay waters slightly choppy. .WEDNESDAY...Southwest winds 10 to 15 knots. Bay waters slightly choppy. .WEDNESDAY NIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Bay waters slightly choppy. .THURSDAY...Southwest winds around 10 knots, becoming south 10 to 15 knots with gusts up to 20 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon. .THURSDAY NIGHT...Southwest winds 10 to 15 knots. Bay waters slightly choppy. .FRIDAY...Southwest winds around 10 knots, becoming south 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon. .FRIDAY NIGHT...Southwest winds 10 to 15 knots. Bay waters slightly choppy. .SATURDAY...Southwest winds around 10 knots, becoming south 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon. .SATURDAY NIGHT...Southwest winds 10 to 15 knots. Bay waters slightly choppy. $$ GMZ330-181615- Matagorda Bay- 1024 PM CDT Mon Aug 17 2026 .REST OF TONIGHT...South winds 5 to 10 knots. Bay waters smooth. .TUESDAY...Southwest winds around 10 knots, becoming south 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon. .TUESDAY NIGHT...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 10 to 15 knots. Bay waters slightly choppy. .THURSDAY...South winds 10 to 15 knots. Bay waters slightly choppy. .THURSDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .FRIDAY...Southwest winds around 10 knots, becoming south 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon. .FRIDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .SATURDAY...Southwest winds around 10 knots, becoming south 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon. .SATURDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. $$ GMZ350-355-181615- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 1024 PM CDT Mon Aug 17 2026 .REST OF TONIGHT...South winds 10 to 15 knots, becoming southwest around 10 knots late. Seas around 2 feet. Wave Detail: South 1 foot at 3 seconds. .TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 4 seconds. .TUESDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds and southeast 1 foot at 9 seconds. .WEDNESDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 8 seconds. .WEDNESDAY NIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and southeast 1 foot at 7 seconds. .THURSDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds. .THURSDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. .FRIDAY...Southwest winds 10 to 15 knots, diminishing to around 10 knots in the afternoon. Seas around 2 feet. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. .SATURDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. .SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. $$ GMZ370-375-181615- 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- 1024 PM CDT Mon Aug 17 2026 .REST OF TONIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 3 seconds and southeast 1 foot at 8 seconds. .TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 1 foot at 4 seconds and southeast 1 foot at 9 seconds. .TUESDAY NIGHT...South winds around 10 knots, increasing to 10 to 15 knots after midnight. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds and southeast 1 foot at 9 seconds. .WEDNESDAY...Southwest winds 10 to 15 knots, becoming south around 10 knots in the afternoon. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds and southeast 1 foot at 8 seconds. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and southeast 1 foot at 7 seconds. .THURSDAY...Southwest winds 10 to 15 knots, becoming south around 10 knots in the afternoon. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds and southeast 1 foot at 8 seconds. .THURSDAY NIGHT...South winds around 10 knots, increasing to 10 to 15 knots after midnight. Seas around 2 feet. .FRIDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. .FRIDAY NIGHT...South winds around 10 knots, becoming southwest 10 to 15 knots after midnight. Seas around 2 feet. .SATURDAY...Southwest winds 10 to 15 knots, diminishing to around 10 knots in the afternoon. Seas around 2 feet. .SATURDAY NIGHT...South winds around 10 knots, becoming southwest 10 to 15 knots after midnight. Seas 2 to 3 feet. $$