National Weather Service Marine Forecast FZUS54 KHGX

FZUS54 KHGX 150611
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1211 AM CST Sun Nov 15 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.

GMZ300-151915
1211 AM CST Sun Nov 15 2026

.Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays.

Strong, gusty easterly winds continue overnight, with scattered showers and thunderstorms in the vicinity of Matagorda Bay. A few of those thunderstorms could be capable of a waterspout. The chance of thunderstorms increases areawide on Sunday, with an increasing risk of heavy rain, lightning, thunderstorm related gales, and waterspouts. Winds increase from the northeast Sunday night into Monday, with frequent gusts to gale force expected across most of our waters. Conditions start to gradually improve Monday afternoon. However, winds and seas are likely to remain hazardous into mid week over the Gulf.


GMZ335-151915
Galveston Bay
1211 AM CST Sun Nov 15 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON

GALE WARNING IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT

SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY AFTERNOON

REST OF TONIGHT
East winds 20 to 25 knots with gusts up to 30 knots. Bay waters rough. A slight chance of showers, then a chance of showers late.

SUNDAY
East winds 20 to 25 knots with gusts up to 30 knots. Bay waters rough. Showers and thunderstorms expected.

SUNDAY NIGHT
Northeast winds around 25 to 30 knots gusting 35 knots. Gusts to around 40 knots in the lower bay. Bay waters very rough. Showers, mainly in the evening.

MONDAY
Northeast winds 25 to 30 knots gusting 35 knots, diminishing to around 20 knots in the afternoon. Bay waters very rough, diminishing to choppy in the afternoon.

MONDAY NIGHT
Northeast winds 15 to 20 knots with gusts up to 25 knots. Bay waters choppy.

TUESDAY
Northeast winds 15 to 20 knots, diminishing to around 15 knots in the afternoon. Bay waters choppy, diminishing to slightly choppy in the afternoon.

TUESDAY NIGHT
Northeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters slightly choppy.

WEDNESDAY
East winds 10 to 15 knots. Bay waters slightly choppy.

WEDNESDAY NIGHT
East winds 15 to 20 knots, diminishing to around 15 knots after midnight. Bay waters choppy, diminishing to slightly choppy after midnight.

THURSDAY
East winds 10 to 15 knots. Bay waters slightly choppy.

THURSDAY NIGHT
East winds 10 to 15 knots. Bay waters slightly choppy.


GMZ330-151915
Matagorda Bay
1211 AM CST Sun Nov 15 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON

REST OF TONIGHT
East to southeast winds 15 to 25 knots with gusts up to 30 knots. Much stronger winds and waterspouts possible in thunderstorms. Bay waters choppy. Showers likely with a slight chance of thunderstorms.

SUNDAY
Southeast winds 10 to 15 knots with gusts up to 25 knots. Bay waters slightly choppy. A chance of thunderstorms. Showers.

SUNDAY NIGHT
Northeast winds 20 to 25 knots, increasing to 25 to 30 knots after midnight. Bay waters rough, increasing to very rough after midnight. A chance of showers in the evening.

MONDAY
Northeast winds 20 to 25 knots, diminishing to around 20 knots in the afternoon. Bay waters rough, diminishing to choppy in the afternoon.

MONDAY NIGHT
Northeast winds 15 to 20 knots with gusts up to 25 knots. Bay waters choppy.

TUESDAY
Northeast winds 15 to 20 knots. Bay waters choppy.

TUESDAY NIGHT
Northeast winds 15 to 20 knots. Bay waters choppy.

WEDNESDAY
East winds around 15 knots. Bay waters slightly choppy.

WEDNESDAY NIGHT
East winds 10 to 15 knots. Bay waters slightly choppy.

THURSDAY
East winds 10 to 15 knots. Bay waters slightly choppy.

THURSDAY NIGHT
East winds 10 to 15 knots. Bay waters slightly choppy.

Winds and waves higher in and near thunderstorms.


GMZ355-151915
Coastal waters from High Island to Freeport TX out 20 NM
1211 AM CST Sun Nov 15 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON

GALE WARNING IN EFFECT FROM THIS AFTERNOON THROUGH MONDAY AFTERNOON

REST OF TONIGHT
East winds 20 to 25 knots with gusts up to 30 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: East 7 feet at 6 seconds. A slight chance of showers, then a chance of showers with a slight chance of thunderstorms late.

SUNDAY
East winds around 30 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: Southeast 8 feet at 7 seconds. A chance of thunderstorms. Showers.

SUNDAY NIGHT
East winds 25 to 35 knots, becoming northeast 30 to 35 knots gusting 30 knots after midnight. Seas 7 to 9 feet, occasionally to 11 feet, building to 8 to 11 feet, occasionally to 14 feet after midnight. Wave Detail: Southeast 8 feet at 7 seconds. Showers, mainly in the evening.

MONDAY
Northeast winds around 30 knots gusting 40 knots. Seas 8 to 11 feet, occasionally to 14 feet. A chance of showers in the morning.

MONDAY NIGHT
Northeast winds 20 to 25 knots with gusts up to 30 knots. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: Northeast 6 feet at 6 seconds.

TUESDAY
Northeast winds 20 to 25 knots, diminishing to around 20 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 5 feet at 7 seconds.

TUESDAY NIGHT
East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet.

WEDNESDAY
East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet.

WEDNESDAY NIGHT
East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet.

THURSDAY
East winds around 15 knots. Seas 4 to 6 feet, occasionally to 8 feet.

THURSDAY NIGHT
East winds around 15 knots. Seas 3 to 4 feet.

Winds and seas higher in and near thunderstorms.


GMZ375-151915
Waters from High Island to Freeport TX from 20 to 60 NM
1211 AM CST Sun Nov 15 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON

GALE WARNING IN EFFECT FROM THIS AFTERNOON THROUGH MONDAY AFTERNOON

REST OF TONIGHT
Southeast winds 20 to 25 knots with gusts up to 30 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 6 seconds. A slight chance of showers, then a chance of showers with a slight chance of thunderstorms late.

SUNDAY
Southeast winds around 25 knots with gusts up to 30 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: Southeast 8 feet at 7 seconds. A chance of thunderstorms. Showers.

SUNDAY NIGHT
East winds 25 to 30 knots, increasing to 30 to 35 knots gusting 40 knots after midnight. Seas 8 to 10 feet, occasionally to 13 feet, building to 9 to 12 feet, occasionally to 15 feet after midnight. Wave Detail: Southeast 9 feet at 7 seconds. Showers with a chance of thunderstorms in the evening, then showers likely after midnight.

MONDAY
Northeast winds around 30 knots. Gusts up to 45 knots in the morning. Seas 9 to 13 feet, occasionally to 17 feet. Wave Detail: Northeast 7 feet at 7 seconds. A chance of showers in the morning.

MONDAY NIGHT
Northeast winds around 30 knots, diminishing to 20 to 25 knots after midnight. Seas 8 to 11 feet, occasionally to 14 feet, subsiding to 7 to 9 feet, occasionally to 11 feet after midnight. Wave Detail: Northeast 7 feet at 7 seconds, becoming northeast 6 feet at 6 seconds.

TUESDAY
Northeast winds 20 to 25 knots with gusts up to 30 knots. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: Northeast 6 feet at 6 seconds.

TUESDAY NIGHT
East winds 20 to 25 knots. Seas 6 to 8 feet, occasionally to 10 feet.

WEDNESDAY
East winds around 20 knots. Seas 6 to 8 feet, occasionally to 10 feet. A chance of showers in the afternoon.

WEDNESDAY NIGHT
East winds 15 to 20 knots. Seas 6 to 7 feet, occasionally to 9 feet.

THURSDAY
East winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet.

THURSDAY NIGHT
East winds 15 to 20 knots. Seas 4 to 5 feet.

Winds and seas higher in and near thunderstorms.


GMZ350-151915
Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM
1211 AM CST Sun Nov 15 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON

GALE WARNING IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON

REST OF TONIGHT
Southeast winds 20 to 25 knots with gusts up to 30 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: Southeast 8 feet at 7 seconds. Showers likely with a slight chance of thunderstorms.

SUNDAY
Southeast winds 15 to 20 knots with gusts up to 30 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: Southeast 7 feet at 7 seconds. A chance of thunderstorms. Showers.

SUNDAY NIGHT
Northeast winds around 30 knots with gusts up to 40 knots. Seas 5 to 8 feet, occasionally to 10 feet, building to 7 to 10 feet, occasionally to 13 feet after midnight. Wave Detail: Southeast 7 feet at 7 seconds. Showers likely, mainly in the evening.

MONDAY
Northeast winds around 30 knots with gusts up to 40 knots. Seas 8 to 11 feet, occasionally to 14 feet.

MONDAY NIGHT
Northeast winds 20 to 25 knots with gusts up to 30 knots. Seas 7 to 10 feet, occasionally to 13 feet.

TUESDAY
Northeast winds 20 to 25 knots. Seas 6 to 8 feet, occasionally to 10 feet.

TUESDAY NIGHT
East winds around 20 knots with gusts up to 25 knots. Seas 5 to 8 feet, occasionally to 10 feet.

WEDNESDAY
East winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet.

WEDNESDAY NIGHT
East winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet.

THURSDAY
East winds around 15 knots. Seas 5 to 6 feet, occasionally to 8 feet.

THURSDAY NIGHT
East winds around 15 knots. Seas 3 to 4 feet.

Winds and seas higher in and near thunderstorms.


GMZ370-151915
Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM
1211 AM CST Sun Nov 15 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON

GALE WARNING IN EFFECT FROM THIS EVENING THROUGH MONDAY AFTERNOON

REST OF TONIGHT
Southeast winds 20 to 25 knots with gusts up to 30 knots. Seas 7 to 8 feet, occasionally to 10 feet. Wave Detail: Southeast 7 feet at 7 seconds. A slight chance of thunderstorms. A chance of showers, then showers likely late.

SUNDAY
Southeast winds 20 to 25 knots with gusts up to 30 knots. Seas 7 to 8 feet, occasionally to 10 feet. Wave Detail: Southeast 8 feet at 7 seconds. Showers with a chance of thunderstorms.

SUNDAY NIGHT
East winds 20 to 25 knots, becoming northeast around 30 knots after midnight. Seas 6 to 8 feet, occasionally to 10 feet, building to 8 to 11 feet, occasionally to 14 feet after midnight. Wave Detail: Southeast 8 feet at 7 seconds, becoming south 4 feet at 7 seconds. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight.

MONDAY
Northeast winds around 30 knots with gusts up to 40 knots. Seas 9 to 13 feet, occasionally to 17 feet, building to 11 to 13 feet, occasionally to 17 feet in the afternoon. A chance of showers.

MONDAY NIGHT
Northeast winds around 30 knots. Seas 10 to 13 feet, occasionally to 17 feet, subsiding to 9 to 11 feet, occasionally to 14 feet after midnight. A chance of showers in the evening.

TUESDAY
Northeast winds around 25 knots with gusts up to 30 knots. Seas 8 to 10 feet, occasionally to 13 feet. Wave Detail: Northeast 6 feet at 7 seconds.

TUESDAY NIGHT
East winds 20 to 25 knots. Seas 7 to 9 feet, occasionally to 11 feet.

WEDNESDAY
East winds around 20 knots. Seas 7 to 8 feet, occasionally to 10 feet. A chance of showers in the afternoon.

WEDNESDAY NIGHT
East winds 15 to 20 knots. Seas 6 to 7 feet, occasionally to 9 feet. A chance of showers in the evening.

THURSDAY
East winds 15 to 20 knots. Seas 6 to 7 feet, occasionally to 9 feet. A chance of showers and thunderstorms.

THURSDAY NIGHT
East winds 15 to 20 knots. Seas 4 to 5 feet.

Winds and seas higher in and near thunderstorms.