


Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX
Issued by NWS Houston/Galveston, TX
242 FZUS54 KHGX 130749 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 249 AM CDT Fri Jun 13 2025 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. GMZ300-132015- Synopsis for High Island to the Matagorda Ship Channel out 60 nautical miles including Galveston and Matagorda Bays 249 AM CDT Fri Jun 13 2025 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. Seas offshore are down to 5 feet early this morning, so the small craft advisory is no longer needed. However, with winds of 15 to 20 knots and seas above 4 feet on the Gulf, small craft will still need to exercise caution today. After a lull in storms overnight, we expect amount of thunderstorms today, which will be capable of producing locally higher winds and seas. The forecast for the weekend into early next week features light to moderate onshore flow and a continued daily risk of showers and thunderstorms. $$ GMZ335-132015- Galveston Bay- 249 AM CDT Fri Jun 13 2025 ...Small Craft Should Exercise Caution... .TODAY...South winds around 15 knots. Bay waters slightly choppy to choppy. A chance of showers and thunderstorms early this morning, then showers and thunderstorms likely late this morning and afternoon. .TONIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and thunderstorms early in the evening. .SATURDAY...South winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms in the late morning and afternoon. .SATURDAY NIGHT...South winds around 10 knots. Bay waters smooth to slightly choppy. A chance of showers and thunderstorms early in the evening. .SUNDAY...South winds 5 to 10 knots. Bay waters smooth. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .SUNDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth. .MONDAY...South winds 5 to 10 knots. Bay waters smooth. Showers likely with a chance of thunderstorms. .MONDAY NIGHT...South winds around 10 knots. Bay waters smooth to slightly choppy. .TUESDAY...South winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers. A chance of thunderstorms in the afternoon. .TUESDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. Winds and waves higher in and near thunderstorms. $$ GMZ330-132015- Matagorda Bay- 249 AM CDT Fri Jun 13 2025 ...Small Craft Should Exercise Caution... .TODAY...South winds around 15 knots. Bay waters slightly choppy to choppy. A chance of showers and thunderstorms, mainly this morning. .TONIGHT...Southeast winds 10 to 15 knots. Bay waters slightly choppy. .SATURDAY...South winds 10 to 15 knots. Bay waters slightly choppy. .SATURDAY NIGHT...Southeast winds around 10 knots. Bay waters smooth to slightly choppy. .SUNDAY...South winds around 10 knots. Bay waters smooth to slightly choppy. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth. .MONDAY...South winds 5 to 10 knots. Bay waters smooth. A chance of showers and thunderstorms. .MONDAY NIGHT...South winds around 10 knots. Bay waters smooth to slightly choppy. .TUESDAY...South winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms in the morning. .TUESDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. Winds and waves higher in and near thunderstorms. $$ GMZ350-355-132015- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 249 AM CDT Fri Jun 13 2025 ...Small Craft Should Exercise Caution... .TODAY...South winds around 15 knots. Seas 3 to 5 feet. Wave Detail: South 4 feet at 6 seconds. A chance of showers and thunderstorms until late afternoon, then a slight chance of showers and thunderstorms late. .TONIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. .SATURDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 6 seconds. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .SUNDAY...South winds around 10 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers and thunderstorms. .SUNDAY NIGHT...South winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. .MONDAY...South winds 5 to 10 knots. Seas around 3 feet. A chance of thunderstorms. Showers likely, mainly in the morning. .MONDAY NIGHT...South winds 10 to 15 knots. Seas around 3 feet. .TUESDAY...South winds 10 to 15 knots. Seas around 3 feet. A chance of showers and thunderstorms in the morning. .TUESDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. Winds and seas higher in and near thunderstorms. $$ GMZ370-375-132015- 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- 249 AM CDT Fri Jun 13 2025 ...Small Craft Should Exercise Caution... .TODAY...South winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: South 4 feet at 6 seconds. A chance of showers and thunderstorms, mainly this morning. .TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of showers and thunderstorms after midnight. .SATURDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .SUNDAY...South winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of thunderstorms in the morning. A chance of showers. .SUNDAY NIGHT...Southeast winds around 10 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. A chance of showers and thunderstorms after midnight. .MONDAY...South winds 5 to 10 knots. Seas around 3 feet. Showers likely with a chance of thunderstorms in the morning, then a chance of showers in the afternoon. .MONDAY NIGHT...South winds around 10 knots, rising to 10 to 15 knots after midnight. Seas around 3 feet. A chance of showers and thunderstorms after midnight. .TUESDAY...South winds around 10 knots. Seas around 3 feet. A chance of showers and thunderstorms in the morning. .TUESDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet. Winds and seas higher in and near thunderstorms. $$