Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX
Issued by NWS Houston/Galveston, TX
194 FZUS54 KHGX 161957 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 257 PM CDT Sun Jun 16 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. GMZ300-170815- Synopsis for High Island to the Matagorda Ship Channel out 60 nautical miles including Galveston and Matagorda Bays 257 PM CDT Sun Jun 16 2024 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. A broad area of low pressure is forecast to form over the southwestern Gulf of Mexico, bringing 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 as we head into the early and midweek time period. Small craft advisories are likely and Gale Warnings cannot be ruled out in the Gulf waters. Mariners should closely monitor the forecasts. $$ GMZ335-170815- Galveston Bay- 257 PM CDT Sun Jun 16 2024 ...Small Craft Should Exercise Caution Tonight... ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING... .TONIGHT...Southeast winds 15 to 20 knots. Bay waters choppy. A slight chance of showers and thunderstorms this evening, then a chance of showers and thunderstorms after midnight. .MONDAY...Southeast winds around 15 knots, rising to 15 to 20 knots in the afternoon. Bay waters choppy. Showers likely with a chance of thunderstorms early in the morning, then showers and thunderstorms in the late morning and afternoon. .MONDAY NIGHT...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 15 to 20 knots. Bay waters choppy. Showers 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 with thunderstorms likely until early morning, then showers likely with a chance of thunderstorms late. .WEDNESDAY...East winds 20 to 25 knots. Gusts to 35 knots in the afternoon. Bay waters rough. Showers with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. .WEDNESDAY NIGHT...East winds 20 to 25 knots. Bay waters rough. Showers likely with a chance of thunderstorms. .THURSDAY...East winds 15 to 20 knots. Bay waters choppy. A chance of thunderstorms. Showers likely. .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 thunderstorms in the evening. A chance of showers. .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. A chance of showers after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ330-170815- Matagorda Bay- 257 PM CDT Sun Jun 16 2024 ...Small Craft Should Exercise Caution Tonight... ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING... .TONIGHT...Southeast winds 15 to 20 knots, easing to around 15 knots late. Bay waters choppy, easing to slightly choppy late. A chance of showers and thunderstorms after midnight. .MONDAY...Southeast winds around 15 knots, rising to 15 to 20 knots late. Bay waters slightly choppy, rising to choppy late. A chance of thunderstorms in the morning. Showers likely. Thunderstorms likely in the afternoon. .MONDAY NIGHT...East winds 15 to 20 knots. Bay waters choppy. A chance of thunderstorms. A chance of showers until early morning, then showers likely late. .TUESDAY...East winds around 20 knots, rising to 20 to 25 knots late. Bay waters choppy, rising to rough late. Showers with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .TUESDAY NIGHT...East winds 20 to 25 knots. Bay waters rough. Showers and thunderstorms likely in the evening, then showers likely with a chance of thunderstorms after midnight. .WEDNESDAY...East winds 20 to 25 knots. Gusts to 35 knots in the afternoon. 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 with gusts up to 35 knots. Bay waters rough. Showers. Thunderstorms likely, mainly in the evening. .THURSDAY...East winds 20 to 25 knots. Bay waters rough. Showers with a chance of thunderstorms. .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. $$ GMZ350-355-170815- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 257 PM CDT Sun Jun 16 2024 ...Small Craft Should Exercise Caution Tonight... ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING... .TONIGHT...Southeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of showers and thunderstorms this evening, then showers likely with a chance of thunderstorms after midnight. .MONDAY...Southeast winds around 20 knots, rising to 20 to 25 knots late. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 6 seconds. Showers with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. .MONDAY NIGHT...East winds 20 to 25 knots. Seas 6 to 7 feet, occasionally to 9 feet, building to 6 to 9 feet, occasionally to 11 feet after midnight. Wave Detail: Southeast 7 feet at 7 seconds, becoming southeast 9 feet at 8 seconds. Showers likely. Thunderstorms likely, mainly in the evening. .TUESDAY...East winds 20 to 25 knots, rising to around 30 knots late. Seas 8 to 11 feet, occasionally to 14 feet. Wave Detail: Southeast 10 feet at 11 seconds. Showers with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. .TUESDAY NIGHT...East winds around 30 knots. Seas 9 to 12 feet, occasionally to 15 feet. Wave Detail: Southeast 11 feet at 11 seconds. Showers with thunderstorms likely. .WEDNESDAY...East winds around 30 knots with gusts up to 40 knots. Seas 9 to 12 feet, occasionally to 15 feet. Wave Detail: Southeast 11 feet at 10 seconds. Showers with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. .WEDNESDAY NIGHT...East winds around 30 knots with gusts up to 40 knots. Seas 9 to 12 feet, occasionally to 15 feet. Showers with a chance of thunderstorms. .THURSDAY...East winds around 25 knots. Seas 8 to 10 feet, occasionally to 13 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, subsiding to 5 to 7 feet, occasionally to 9 feet after midnight. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .FRIDAY...East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of thunderstorms. Showers likely, mainly in the morning. .FRIDAY NIGHT...East winds 15 to 20 knots, easing to around 15 knots after midnight. Seas 3 to 5 feet. A chance of thunderstorms in the evening. A chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ370-375-170815- 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- 257 PM CDT Sun Jun 16 2024 ...Small Craft Should Exercise Caution Tonight... ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING... .TONIGHT...Southeast winds around 15 knots, rising to around 20 knots late this evening and overnight. Seas 3 to 5 feet. Wave Detail: Southeast 5 feet at 6 seconds. A chance of thunderstorms. A chance of showers until early morning, then showers likely late. .MONDAY...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 in the morning, then showers with thunderstorms likely in the afternoon. .MONDAY NIGHT...East winds 20 to 25 knots. Seas 7 to 9 feet, occasionally to 11 feet, building to 9 to 12 feet, occasionally to 15 feet after midnight. Wave Detail: Southeast 9 feet at 8 seconds, becoming southeast 10 feet at 9 seconds. Showers and thunderstorms likely in the evening, then showers with a chance of thunderstorms after midnight. .TUESDAY...East winds 20 to 25 knots, rising to around 30 knots in the afternoon. Seas 10 to 13 feet, occasionally to 17 feet. Wave Detail: Southeast 12 feet at 11 seconds. A chance of thunderstorms. Showers. .TUESDAY NIGHT...East winds around 30 knots. Seas 12 to 14 feet, occasionally to 18 feet. Wave Detail: East 13 feet at 11 seconds. Showers. .WEDNESDAY...East winds around 30 knots with gusts up to 40 knots. Seas 11 to 14 feet, occasionally to 18 feet. Wave Detail: East 13 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. Showers with a chance of thunderstorms. .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 7 to 10 feet, occasionally to 13 feet, subsiding to 6 to 8 feet, occasionally to 10 feet after midnight. 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 15 to 20 knots, easing to around 15 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers. Winds and seas higher in and near thunderstorms. $$