Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX
Issued by NWS Houston/Galveston, TX
349 FZUS54 KHGX 112358 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 558 PM CST Tue Nov 11 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. GMZ300-121215- 558 PM CST Tue Nov 11 2025 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. Small craft should exercise caution this evening through early Wednesday morning due to the increasing southerly winds. Winds are expected to lower by late Wednesday morning with light to moderate onshore flow continuing through at least Friday. Though water levels will gradually be recovering, northern parts of the bays may see one more round of low water conditions around the next low tide cycle this evening. $$ GMZ335-121215- Galveston Bay- 558 PM CST Tue Nov 11 2025 ...LOW WATER ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING... ...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .WEDNESDAY...South winds 10 to 15 knots. Bay waters slightly choppy. .WEDNESDAY NIGHT...South winds around 10 knots. Bay waters smooth to slightly choppy. .THURSDAY...Southeast winds around 10 knots. Bay waters smooth to slightly choppy. .THURSDAY NIGHT...South winds around 10 knots. Bay waters smooth to slightly choppy. .FRIDAY...South winds 10 to 15 knots. Bay waters slightly choppy. .FRIDAY NIGHT...South winds around 10 knots. Bay waters smooth to slightly choppy. .SATURDAY...South winds 10 to 15 knots. Bay waters slightly choppy. .SATURDAY NIGHT...South winds around 10 knots. Bay waters smooth to slightly choppy. .SUNDAY...South winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers. .SUNDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers. $$ GMZ330-121215- Matagorda Bay- 558 PM CST Tue Nov 11 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...South winds 15 to 20 knots. Bay waters choppy. .WEDNESDAY...South winds 10 to 15 knots. Bay waters slightly choppy. .WEDNESDAY NIGHT...South winds around 10 knots. Bay waters smooth to slightly choppy. .THURSDAY...South winds around 10 knots. Bay waters smooth to slightly choppy. .THURSDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .FRIDAY...Southeast winds 10 to 15 knots. Bay waters slightly choppy. .FRIDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters slightly choppy. .SATURDAY...South winds 10 to 15 knots. Bay waters slightly choppy. .SATURDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. .SUNDAY...South winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers. .SUNDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly choppy. $$ GMZ350-355-121215- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 558 PM CST Tue Nov 11 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...South winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet. Wave Detail: South 4 feet at 5 seconds and northeast 1 foot at 5 seconds. .WEDNESDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 4 feet at 6 seconds. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: South 3 feet at 6 seconds. .THURSDAY...South winds around 10 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .FRIDAY NIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet. .SATURDAY...South winds 10 to 15 knots. Seas 3 to 5 feet. .SATURDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet. .SUNDAY...South winds 10 to 15 knots. Seas 3 to 5 feet. A chance of showers. .SUNDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet. A chance of showers. $$ GMZ370-375-121215- 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- 558 PM CST Tue Nov 11 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...South winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet. Wave Detail: South 4 feet at 4 seconds and northeast 1 foot at 5 seconds. .WEDNESDAY...South winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: South 4 feet at 6 seconds. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .FRIDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, building to 4 to 6 feet, occasionally to 8 feet after midnight. .SATURDAY...South winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. .SATURDAY NIGHT...South winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. .SUNDAY...South winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers. .SUNDAY NIGHT...South winds 10 to 15 knots. Seas 4 to 5 feet. A chance of showers. $$