FZUS54 KHGX 161103 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 603 AM CDT Thu Apr 16 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. GMZ300-170015- 603 AM CDT Thu Apr 16 2026 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. Light to moderate onshore flow will persist through early Saturday with 2-4ft seas. Rip currents will likely remain moderate to strong at times, while water levels are expected to be near 3.0 feet above Mean Lower Low Water during high tide cycles over the next few days. A cold front with associated showers and storms are expected to push offshore late Saturday into early Sunday. Strong offshore winds and increased seas will likely prompt the issuance of Small Craft Advisories by late this weekend. $$ GMZ335-170015- Galveston Bay- 603 AM CDT Thu Apr 16 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT THROUGH THIS EVENING... .TODAY...South winds 10 to 15 knots. Bay waters slightly choppy. .TONIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .FRIDAY...South winds 10 to 15 knots with gusts up to 20 knots. Bay waters slightly choppy. .FRIDAY NIGHT...South winds around 15 knots with gusts up to 20 knots. Bay waters slightly choppy. .SATURDAY...South winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...East winds around 15 knots with gusts up to 20 knots, becoming north 20 to 25 knots with gusts up to 30 knots after midnight. Bay waters slightly choppy, increasing to rough after midnight. A chance of thunderstorms in the evening. Showers likely. .SUNDAY...Northeast winds 20 to 25 knots. Bay waters rough. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Bay waters choppy. .MONDAY...East winds 15 to 20 knots. Bay waters choppy. .MONDAY NIGHT...East winds 10 to 15 knots. Bay waters slightly choppy. Winds and waves higher in and near thunderstorms. $$ GMZ330-170015- Matagorda Bay- 603 AM CDT Thu Apr 16 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT THROUGH THIS EVENING... .TODAY...South winds 10 to 15 knots. Bay waters slightly choppy. .TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters slightly choppy. .FRIDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Bay waters choppy. .FRIDAY NIGHT...South winds 15 to 20 knots with gusts up to 25 knots. Bay waters choppy. .SATURDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters slightly choppy. .SATURDAY NIGHT...Northeast winds around 20 knots, becoming north 20 to 25 knots after midnight. Bay waters choppy, increasing to rough after midnight. A chance of showers. .SUNDAY...Northeast winds 20 to 25 knots. Bay waters rough. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Bay waters choppy. A chance of showers. .MONDAY...East winds 15 to 20 knots. Bay waters choppy. A chance of showers. .MONDAY NIGHT...East winds 15 to 20 knots. Bay waters choppy. $$ GMZ350-355-170015- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 603 AM CDT Thu Apr 16 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT THROUGH THIS EVENING... .TODAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .FRIDAY...Southeast winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. .FRIDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. .SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: South 4 feet at 6 seconds. .SATURDAY NIGHT...East winds around 15 knots with gusts up to 20 knots, becoming north around 30 knots after midnight. Seas 3 to 4 feet, building to 4 to 6 feet, occasionally to 8 feet after midnight. Wave Detail: South 3 feet at 6 seconds, becoming east 4 feet at 6 seconds. A chance of showers in the evening, then showers likely after midnight. .SUNDAY...Northeast winds around 30 knots. Seas 5 to 8 feet, occasionally to 10 feet. .SUNDAY NIGHT...Northeast winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. .MONDAY...East winds 20 to 25 knots, diminishing to around 20 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers in the afternoon. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. $$ GMZ370-375-170015- 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- 603 AM CDT Thu Apr 16 2026 .TODAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 7 seconds. .FRIDAY...Southeast winds around 15 knots with gusts up to 20 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. .FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. .SATURDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. .SATURDAY NIGHT...Southeast winds around 15 knots with gusts up to 20 knots, becoming north around 30 knots after midnight. Seas 3 to 4 feet, building to 4 to 6 feet, occasionally to 8 feet after midnight. Wave Detail: Southeast 4 feet at 6 seconds. A chance of showers in the evening, then showers likely after midnight. .SUNDAY...Northeast winds around 30 knots. Seas 7 to 10 feet, occasionally to 13 feet. A chance of showers in the morning. .SUNDAY NIGHT...Northeast winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. A chance of showers. .MONDAY...East winds 20 to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. A chance of showers in the afternoon. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. $$