FZUS54 KHGX 231143 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 643 AM CDT Sun Aug 23 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. GMZ300-240015- 643 AM CDT Sun Aug 23 2026 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. Southwest to west winds late at night and in the mornings will become south 10 to 15 knots during the day as the seabreeze kicks in. Seas will be 1 to 3 feet. $$ GMZ335-240015- Galveston Bay- 643 AM CDT Sun Aug 23 2026 .TODAY...West winds 5 to 10 knots, becoming south this afternoon. Bay waters smooth. .TONIGHT...Southwest winds 10 to 15 knots. Bay waters slightly choppy. .MONDAY...Southwest winds around 10 knots, becoming south 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon. .MONDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .TUESDAY...Southwest winds around 10 knots, becoming south 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon. .TUESDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .WEDNESDAY...Southwest winds around 10 knots, becoming south 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .THURSDAY...Southwest winds around 10 knots, becoming south 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon. .THURSDAY NIGHT...Southwest winds 10 to 15 knots. Bay waters slightly choppy. $$ GMZ330-240015- Matagorda Bay- 643 AM CDT Sun Aug 23 2026 .TODAY...Southwest winds 5 to 10 knots, becoming south this afternoon. Bay waters smooth. .TONIGHT...South winds around 10 knots. Bay waters smooth to slightly choppy. .MONDAY...South winds 5 to 10 knots. Bay waters smooth. .MONDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .TUESDAY...South winds 10 to 15 knots. Bay waters slightly choppy. .TUESDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .WEDNESDAY...Southwest winds around 10 knots, becoming south 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .THURSDAY...Southwest winds around 10 knots, becoming south 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon. .THURSDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. $$ GMZ350-355-240015- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 643 AM CDT Sun Aug 23 2026 .TODAY...Southwest winds 5 to 10 knots, becoming south late. Seas around 2 feet this morning, then 1 foot or less. Wave Detail: South 2 feet at 4 seconds, becoming south 1 foot at 5 seconds. .TONIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 3 seconds. .MONDAY...Southwest winds 10 to 15 knots, becoming south around 10 knots in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southwest 2 feet at 4 seconds, becoming southwest 1 foot at 4 seconds. .MONDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. .TUESDAY...Southwest winds 10 to 15 knots, becoming south around 10 knots in the afternoon.Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. .TUESDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. .WEDNESDAY...Southwest winds 10 to 15 knots, becoming south around 10 knots in the afternoon. Seas 2 to 3 feet. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. .THURSDAY...Southwest winds 10 to 15 knots, diminishing to around 10 knots in the afternoon. Seas 2 to 3 feet. .THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. $$ GMZ370-375-240015- 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- 643 AM CDT Sun Aug 23 2026 .TODAY...Southwest winds 5 to 10 knots, diminishing to around 5 knots late. Seas around 2 feet this morning, then 1 foot or less. Wave Detail: South 1 foot at 5 seconds. .TONIGHT...South winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: South 1 foot at 4 seconds, becoming southwest 1 foot at 4 seconds. .MONDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 1 foot at 3 seconds. .MONDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 3 seconds. .TUESDAY...Southwest winds 10 to 15 knots, becoming south around 5 knots in the afternoon. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. .TUESDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. .THURSDAY...Southwest winds 10 to 15 knots, diminishing to around 10 knots in the afternoon. Seas 2 to 3 feet. .THURSDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. $$