Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX
Issued by NWS Houston/Galveston, TX
872 FZUS54 KHGX 171550 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 1050 AM CDT Mon Jun 17 2024 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. GMZ300-180415- Synopsis for High Island to the Matagorda Ship Channel out 60 nautical miles including Galveston and Matagorda Bays 1050 AM CDT Mon Jun 17 2024 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. A broad area of low pressure over the southwestern Gulf of Mexico will bring unsettled weather to the Gulf waters through much of this week. Look for increasing winds, seas, and water levels across the upper Texas coastal waters over the next few days. Small Craft Advisory conditions are expected to begin today and last through much of the week. The chance of gale force winds, at least in gusts, is increasing for the Tuesday to Wednesday time frame. Mariners should closely monitor the forecasts. $$ GMZ335-180415- Galveston Bay- 1050 AM CDT Mon Jun 17 2024 ...Small Craft Should Exercise Caution this Morning... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .REST OF TODAY...Southeast winds 15 to 20 knots. Bay waters choppy. Showers and thunderstorms. .TONIGHT...Southeast winds 15 to 20 knots. Bay waters choppy. Showers and thunderstorms likely early in the evening, then a chance of showers and thunderstorms in the late evening and overnight. .TUESDAY...East winds around 20 knots, rising to 20 to 25 knots in the afternoon. Bay waters rough. Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. .TUESDAY NIGHT...East winds 20 to 25 knots. Bay waters rough. Showers. Thunderstorms likely, mainly in the evening. .WEDNESDAY...East winds 20 to 25 knots. Bay waters rough. Showers. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .WEDNESDAY NIGHT...East winds 20 to 25 knots. Gusts to 35 knots in the evening. Bay waters rough. Showers likely. Thunderstorms likely, mainly in the evening. .THURSDAY...East winds 20 to 25 knots. Bay waters rough. Showers likely with a chance of thunderstorms. .THURSDAY NIGHT...East winds 15 to 20 knots, easing to around 15 knots after midnight. Bay waters choppy, easing to slightly choppy after midnight. A chance of showers and thunderstorms. .FRIDAY...East winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and thunderstorms. .FRIDAY NIGHT...East winds 10 to 15 knots. Bay waters slightly choppy. Winds and waves higher in and near thunderstorms. $$ GMZ330-180415- Matagorda Bay- 1050 AM CDT Mon Jun 17 2024 ...Small Craft Should Exercise Caution this Morning... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .REST OF TODAY...Southeast winds 15 to 20 knots. Bay waters choppy. Showers likely. A chance of thunderstorms late this morning, then thunderstorms likely this afternoon. .TONIGHT...East winds 15 to 20 knots. Bay waters choppy. Showers and thunderstorms likely early in the evening, then a chance of showers and thunderstorms in the late evening and overnight. .TUESDAY...East winds around 20 knots, rising to 20 to 25 knots in the afternoon. Bay waters rough. A chance of thunderstorms. Showers likely. .TUESDAY NIGHT...East winds 20 to 25 knots. Bay waters rough. Showers. Thunderstorms likely until early morning, then a chance of thunderstorms late. .WEDNESDAY...East winds 20 to 25 knots. Gusts to 35 knots in the afternoon. Bay waters rough. Showers with thunderstorms likely. .WEDNESDAY NIGHT...East winds 20 to 25 knots with gusts up to 35 knots. Bay waters rough. Thunderstorms likely. Showers. .THURSDAY...East winds 20 to 25 knots. Bay waters rough. A chance of thunderstorms. Showers. .THURSDAY NIGHT...East winds 15 to 20 knots. Bay waters choppy. A chance of showers and thunderstorms. .FRIDAY...East winds 10 to 15 knots. Bay waters slightly choppy. Showers likely with a chance of thunderstorms. .FRIDAY NIGHT...East winds 10 to 15 knots. Bay waters slightly choppy. A chance of thunderstorms in the evening. A chance of showers. Winds and waves higher in and near thunderstorms. $$ GMZ350-355-180415- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 1050 AM CDT Mon Jun 17 2024 ...Small Craft Should Exercise Caution this Morning... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .REST OF TODAY...Southeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: Southeast 5 feet at 6 seconds. Thunderstorms likely. Showers. .TONIGHT...Southeast winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet, building to 5 to 8 feet, occasionally to 10 feet after midnight. Wave Detail: Southeast 6 feet at 7 seconds, becoming southeast 8 feet at 9 seconds. Showers and thunderstorms likely early in the evening, then a chance of showers and thunderstorms in the late evening and overnight. .TUESDAY...East winds 20 to 25 knots, rising to around 30 knots in the afternoon. Seas 7 to 10 feet, occasionally to 13 feet. Wave Detail: Southeast 9 feet at 9 seconds. A chance of thunderstorms. Showers. .TUESDAY NIGHT...East winds around 30 knots. Seas 9 to 12 feet, occasionally to 15 feet. Wave Detail: Southeast 11 feet at 10 seconds. Showers. .WEDNESDAY...East winds around 30 knots with gusts up to 40 knots. Seas 9 to 13 feet, occasionally to 17 feet. Wave Detail: Southeast 12 feet at 10 seconds. Showers with thunderstorms likely. .WEDNESDAY NIGHT...East winds around 30 knots with gusts up to 40 knots. Seas 9 to 13 feet, occasionally to 17 feet. Wave Detail: Southeast 12 feet at 10 seconds. Showers. Thunderstorms likely, mainly in the evening. .THURSDAY...East winds 20 to 25 knots. Seas 8 to 11 feet, occasionally to 14 feet. A chance of thunderstorms. Showers. .THURSDAY NIGHT...East winds 20 to 25 knots, easing to around 20 knots after midnight. Seas 6 to 9 feet, occasionally to 11 feet. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .FRIDAY...East winds around 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of thunderstorms. Showers likely, mainly in the morning. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. A chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ370-375-180415- 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- 1050 AM CDT Mon Jun 17 2024 ...Small Craft Should Exercise Caution this Morning... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING... .REST OF TODAY...Southeast winds around 20 knots, rising to 20 to 25 knots late. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 6 feet at 7 seconds. Showers likely with a chance of thunderstorms late this morning, then showers with thunderstorms likely this afternoon. .TONIGHT...East winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet, building to 8 to 10 feet, occasionally to 13 feet after midnight. Wave Detail: Southeast 8 feet at 8 seconds, becoming southeast 10 feet at 9 seconds. Showers and thunderstorms likely early in the evening, then a chance of showers and thunderstorms in the late evening and overnight. .TUESDAY...East winds around 30 knots. Seas 9 to 11 feet, occasionally to 14 feet, building to 10 to 14 feet, occasionally to 18 feet in the afternoon. Wave Detail: Southeast 10 feet at 9 seconds, becoming southeast 11 feet at 10 seconds. Showers with a chance of thunderstorms until late afternoon, then showers with thunderstorms likely late. .TUESDAY NIGHT...East winds around 30 knots with gusts up to 40 knots. Seas 10 to 14 feet, occasionally to 18 feet, building to 12 to 14 feet, occasionally to 18 feet after midnight. Wave Detail: East 13 feet at 10 seconds. Showers with thunderstorms likely. .WEDNESDAY...East winds around 30 knots with gusts up to 40 knots. Seas 12 to 14 feet, occasionally to 18 feet. Wave Detail: East 14 feet at 10 seconds. Thunderstorms likely. Showers. .WEDNESDAY NIGHT...East winds around 30 knots with gusts up to 40 knots. Seas 10 to 14 feet, occasionally to 18 feet. Wave Detail: Southeast 14 feet at 10 seconds. Showers. Thunderstorms likely, mainly in the evening. .THURSDAY...East winds around 25 knots. Seas 9 to 12 feet, occasionally to 15 feet. A chance of thunderstorms. Showers. .THURSDAY NIGHT...East winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. Showers likely with a chance of thunderstorms. .FRIDAY...East winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Showers likely with a chance of thunderstorms. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers. Winds and seas higher in and near thunderstorms. $$