Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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899
FZUS54 KHGX 090002
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
702 PM CDT Wed Oct 8 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.

GMZ300-091230-
702 PM CDT Wed Oct 8 2025

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

With a tightening pressure gradient, look for east and northeast winds
to increase and seas to build tonight through Friday morning.
Water levels will also be running above normal due to the winds,
seas, and moon phase. Winds, seas, and tide levels will gradually
diminish this weekend. A more predominant onshore flow resumes
early next week.

$$

GMZ335-091230-
Galveston Bay-
702 PM CDT Wed Oct 8 2025

.TONIGHT...Southeast winds near 10 knots this evening becoming
east northeast near 15 knots late tonight. Bay waters slightly
choppy. A slight chance of showers early this evening.
.THURSDAY...Northeast winds 15 to 20 knots, diminishing to around
15 knots in the afternoon. Bay waters choppy, diminishing to
slightly choppy in the afternoon.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots. Bay waters slightly choppy.
.FRIDAY...Northeast winds 10 to 15 knots. Bay waters slightly
choppy.
.FRIDAY NIGHT...Northeast winds around 10 knots. Bay waters
smooth to slightly choppy.
.SATURDAY...Northeast winds around 10 knots, becoming east in the
afternoon. Bay waters smooth to slightly choppy.
.SATURDAY NIGHT...Southeast winds around 10 knots. Bay waters
smooth to slightly choppy.
.SUNDAY...Southeast winds around 10 knots. Bay waters smooth to
slightly choppy.
.SUNDAY NIGHT...Southeast winds around 10 knots. Bay waters
smooth to slightly choppy.
.MONDAY...Southeast winds around 10 knots. Bay waters smooth to
slightly choppy.
.MONDAY NIGHT...Southeast winds around 10 knots. Bay waters
smooth to slightly choppy.

$$

GMZ355-091230-
Coastal waters from High Island to Freeport TX out 20 NM-
702 PM CDT Wed Oct 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT THURSDAY THROUGH
FRIDAY MORNING...

.TONIGHT...East winds around 15 knots, becoming northeast 15 to
20 knots with gusts up to 25 knots late. Seas 3 to 5 feet. Wave
Detail: East 3 feet at 4 seconds. A slight chance of showers and
thunderstorms after midnight.
.THURSDAY...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
East 4 feet at 6 seconds. A slight chance of showers and
thunderstorms in the morning.
.THURSDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
East 4 feet at 6 seconds.
.FRIDAY...Northeast winds 15 to 20 knots, diminishing to around
15 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: East 4 feet at 6 seconds.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet.
Wave Detail: East 3 feet at 6 seconds.
.SATURDAY...East winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 6 seconds.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet.
.SUNDAY...Southeast winds around 10 knots. Seas around 2 feet.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet.
.MONDAY...Southeast winds around 10 knots. Seas around 2 feet.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ375-091230-
Waters from High Island to Freeport TX from 20 to 60 NM-
702 PM CDT Wed Oct 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT THURSDAY THROUGH
FRIDAY MORNING...

.TONIGHT...East winds around 15 knots, becoming northeast 15 to
20 knots late. Seas 3 to 5 feet. Wave Detail: East 4 feet at
5 seconds. A slight chance of showers and thunderstorms after
midnight.
.THURSDAY...Northeast winds 20 to 25 knots with some higher gusts.
Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
East 5 feet at 6 seconds. A chance of showers with a slight
chance of thunderstorms in the morning, then a slight chance of
showers in the afternoon.
.THURSDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
East 4 feet at 6 seconds.
.FRIDAY...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 6 to 7 feet, occasionally to 9 feet, subsiding to
4 to 6 feet, occasionally to 8 feet in the afternoon. Wave
Detail: East 5 feet at 7 seconds.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Wave Detail: East 3 feet at 6 seconds.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 6 seconds.
.SATURDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet.
.SUNDAY...Southeast winds around 10 knots. Seas 2 to 3 feet.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet.
.MONDAY...Southeast winds around 10 knots. Seas around 2 feet.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ330-091230-
Matagorda Bay-
702 PM CDT Wed Oct 8 2025

.TONIGHT...East winds 10 to 15 knots this evening, becoming
northeast 15 to 20 knots late. Bay waters slightly choppy to
choppy. A slight chance of showers early this evening.
.THURSDAY...Northeast winds around 15 knots with gusts up to
20 knots. Bay waters slightly choppy. A slight chance of showers
in the morning.
.THURSDAY NIGHT...East winds 15 to 20 knots, becoming northeast
after midnight. Bay waters choppy, diminishing to slightly choppy
after midnight.
.FRIDAY...Northeast winds 10 to 15 knots. Bay waters slightly
choppy.
.FRIDAY NIGHT...East winds 10 to 15 knots. Bay waters slightly
choppy.
.SATURDAY...Northeast winds around 10 knots, becoming east in the
afternoon. Bay waters smooth to slightly choppy.
.SATURDAY NIGHT...Southeast winds around 10 knots. Bay waters
smooth to slightly choppy.
.SUNDAY...Southeast winds around 10 knots. Bay waters smooth to
slightly choppy.
.SUNDAY NIGHT...Southeast winds around 10 knots. Bay waters
smooth to slightly choppy.
.MONDAY...Southeast winds 10 to 15 knots. Bay waters slightly
choppy.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.

$$

GMZ350-091230-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-
702 PM CDT Wed Oct 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT THURSDAY THROUGH
FRIDAY MORNING...

.TONIGHT...East winds around 15 knots, becoming northeast 15 to
20 knots late. Seas 4 to 5 feet. Wave Detail: East 4 feet at 5
seconds. A slight chance of showers after midnight. A slight
chance of showers and thunderstorms late.
.THURSDAY...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
East 5 feet at 6 seconds. A chance of showers with a slight
chance of thunderstorms in the morning, then a slight chance of
showers in the afternoon.
.THURSDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
East 5 feet at 7 seconds.
.FRIDAY...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
Southeast 5 feet at 7 seconds.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: Southeast 4 feet at 7 seconds.
.SATURDAY...Northeast winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: East 3 feet at 6 seconds.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet.
.SUNDAY...Southeast winds around 10 knots. Seas 2 to 3 feet.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-091230-
Waters from Freeport to Matagorda Ship Channel TX from 20 to
60 NM-
702 PM CDT Wed Oct 8 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT THURSDAY THROUGH
FRIDAY MORNING...

.TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 4 feet at 6 seconds. A slight chance of showers
after midnight. A slight chance of showers and thunderstorms
late.
.THURSDAY...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
East 5 feet at 7 seconds. A slight chance of thunderstorms in the
morning. A chance of showers.
.THURSDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail:
Southeast 6 feet at 7 seconds.
.FRIDAY...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail:
Southeast 5 feet at 7 seconds.
.FRIDAY NIGHT...Northeast winds around 15 knots with gusts up to
20 knots, becoming east after midnight. Seas 3 to 5 feet. Wave
Detail: Southeast 5 feet at 7 seconds.
.SATURDAY...Northeast winds around 10 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 6 seconds.
.SATURDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet.
.SUNDAY...Southeast winds around 10 knots. Seas around 3 feet.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
3 feet.
.MONDAY...Southeast winds around 10 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
3 feet.

Winds and seas higher in and near thunderstorms.

$$