FZUS54 KHGX 081118 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 618 AM CDT Wed Jul 8 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. GMZ300-090015- 618 AM CDT Wed Jul 8 2026 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. A more typical summertime pattern will persist into Thursday with the seabreeze the primary driver for isolated to scattered precipitation. Rain chances increase late Thursday night and into the weekend as deeper moisture flows into the region. Onshore flow will prevail through the period, slightly increasing Thursday and Friday along with a corresponding bump in the seas into the 3-4ft range. $$ GMZ335-090015- Galveston Bay- 618 AM CDT Wed Jul 8 2026 .TODAY...Southwest winds around 10 knots, becoming south 10 to 15 knots this afternoon. Bay waters smooth, increasing to slightly choppy this afternoon. A slight chance of showers and thunderstorms until late afternoon, then a chance of showers and thunderstorms late. .TONIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .THURSDAY...Southwest winds around 10 knots, becoming south 10 to 15 knots with gusts up to 20 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon. .THURSDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .FRIDAY...South winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters slightly choppy. .SATURDAY...South winds 5 to 10 knots. Bay waters smooth. A chance of showers and thunderstorms in the morning. .SATURDAY NIGHT...Southeast winds 10 to 15 knots, becoming south around 10 knots after midnight. Bay waters slightly choppy, diminishing to smooth after midnight. .SUNDAY...South winds 5 to 10 knots. Bay waters smooth. A chance of showers and thunderstorms. .SUNDAY NIGHT...South winds 10 to 15 knots, diminishing to around 10 knots after midnight. Bay waters slightly choppy, diminishing to smooth after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ330-090015- Matagorda Bay- 618 AM CDT Wed Jul 8 2026 .TODAY...South winds around 10 knots, increasing to 10 to 15 knots late. Bay waters smooth, increasing to slightly choppy late. A slight chance of showers and thunderstorms early this morning, then a chance of showers and thunderstorms late this morning and early afternoon. A slight chance of showers and thunderstorms late. .TONIGHT...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. A chance of showers and thunderstorms after midnight. .FRIDAY...Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms after midnight. .SATURDAY...Southeast winds 10 to 15 knots. Bay waters slightly choppy. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters slightly choppy. .SUNDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers and thunderstorms in the morning. .SUNDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. Winds and waves higher in and near thunderstorms. $$ GMZ350-355-090015- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 618 AM CDT Wed Jul 8 2026 .TODAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms until late afternoon. .TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. .THURSDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. .THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: South 4 feet at 6 seconds. .FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 4 feet at 6 seconds. A chance of showers and thunderstorms. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: South 3 feet at 6 seconds. A chance of showers and thunderstorms after midnight. .SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A chance of showers and thunderstorms in the morning. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. .SUNDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms in the morning. .SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ GMZ370-375-090015- 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- 618 AM CDT Wed Jul 8 2026 .TODAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms until late afternoon. .TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds. .THURSDAY...South winds around 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds. .THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: South 4 feet at 6 seconds. .FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 4 feet at 6 seconds. A chance of showers and thunderstorms. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 6 seconds. A chance of showers and thunderstorms after midnight. .SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. .SUNDAY...South winds 5 to 10 knots. Seas 3 to 4 feet. A chance of showers and thunderstorms in the morning. .SUNDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. Winds and seas higher in and near thunderstorms. $$