813
FZUS54 KHGX 010215
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
815 PM CST Sun Nov 30 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.

GMZ300-011515-
815 PM CST Sun Nov 30 2025

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

Gusty north to northeast winds continue tonight. Observation sites
in the bays and Gulf waters are reporting gusts of 20-25 kts.
Small Craft Advisories are in effect through Monday morning.
Another upper level disturbance will move through later tonight
and Monday bringing another round of rain and embedded
thunderstorms. Additional Small Craft Advisories are possible
Monday night into Tuesday morning as moderate to strong
northeasterly winds develop behind this exiting system.

$$

GMZ335-011515-
Galveston Bay-
815 PM CST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

.REST OF TONIGHT...Northeast winds 15 to 20 knots with gusts up
to 25 knots. Bay waters choppy. A slight chance of showers late
this evening and early morning. A chance of showers with a slight
chance of thunderstorms late.
.MONDAY...Northeast winds 10 to 15 knots. Bay waters slightly
choppy. Showers with a slight chance of thunderstorms. Patchy fog
in the afternoon.
.MONDAY NIGHT...North winds 15 to 20 knots with gusts up to
25 knots. Bay waters choppy. Patchy fog in the evening. Showers
likely, mainly in the evening.
.TUESDAY...North winds 15 to 20 knots with gusts up to 25 knots,
diminishing to around 15 knots in the afternoon. Bay waters
choppy, diminishing to slightly choppy in the afternoon.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters
smooth.
.WEDNESDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY NIGHT...East winds around 10 knots. Bay waters smooth
to slightly choppy. A chance of showers in the evening, then
showers with a chance of thunderstorms after midnight.
.THURSDAY...Northeast winds 10 to 15 knots. Bay waters slightly
choppy. Showers with a chance of thunderstorms.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters
slightly choppy. Showers, mainly in the evening.
.FRIDAY...Northwest winds 10 to 15 knots, diminishing to around
10 knots in the afternoon. Bay waters slightly choppy,
diminishing to smooth in the afternoon. Showers likely, mainly in
the morning.
.FRIDAY NIGHT...North winds 5 to 10 knots. Bay waters smooth. A
chance of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-011515-
Matagorda Bay-
815 PM CST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

.REST OF TONIGHT...North winds 15 to 20 knots with gusts up to
25 knots. Bay waters choppy. A chance of showers with a slight
chance of thunderstorms.
.MONDAY...North winds 15 to 20 knots, diminishing to around
15 knots in the afternoon. Bay waters choppy, diminishing to
slightly choppy in the afternoon. Showers with a slight chance of
thunderstorms in the morning, then a chance of showers in the
afternoon. Patchy fog in the afternoon.
.MONDAY NIGHT...North winds around 20 knots, increasing to 20 to
25 knots after midnight. Bay waters choppy, increasing to rough
after midnight. A chance of showers in the evening.
.TUESDAY...North 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 5 to 10 knots. Bay waters
smooth.
.WEDNESDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY NIGHT...East winds around 10 knots. Bay waters smooth
to slightly choppy. Showers likely in the evening, then showers
with a chance of thunderstorms after midnight.
.THURSDAY...Northeast winds 10 to 15 knots. Bay waters slightly
choppy. Showers with a chance of thunderstorms.
.THURSDAY NIGHT...North winds 10 to 15 knots. Bay waters slightly
choppy. Showers likely.
.FRIDAY...Northwest winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers.
.FRIDAY NIGHT...North winds around 10 knots. Bay waters smooth to
slightly choppy. A chance of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-011515-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
815 PM CST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST MONDAY...

.REST OF TONIGHT...Northeast winds 20 to 25 knots. Seas 4 to
6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at
6 seconds. A slight chance of showers late this evening and early
morning. A slight chance of thunderstorms. A chance of showers
late.
.MONDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: East 5 feet at 6 seconds.
Showers. A chance of thunderstorms, mainly in the morning. Patchy
fog in the afternoon.
.MONDAY NIGHT...North winds around 20 knots, increasing to 20 to
25 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: Northeast 4 feet at 5 seconds. Patchy fog in
the evening. A chance of showers.
.TUESDAY...North winds 20 to 25 knots, diminishing to around
15 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet, subsiding to 2 to 4 feet in the afternoon. Wave Detail:
East 3 feet at 7 seconds, becoming east 4 feet at 7 seconds.
.TUESDAY NIGHT...Northeast winds around 10 knots, becoming east
after midnight. Seas 2 to 4 feet. Wave Detail: East 3 feet at
7 seconds.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
Wave Detail: East 2 feet at 3 seconds and east 2 feet at
7 seconds.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Showers likely in the evening, then showers with a chance
of thunderstorms after midnight.
.THURSDAY...East winds around 15 knots, becoming northeast 15 to
20 knots in the afternoon. Seas 3 to 5 feet. Showers with a
chance of thunderstorms.
.THURSDAY NIGHT...North winds 15 to 20 knots. Seas 3 to 5 feet.
Showers, mainly in the evening.
.FRIDAY...Northwest winds 10 to 15 knots. Seas 3 to 5 feet.
Showers likely.
.FRIDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 4 feet. A
chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-011515-
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-
815 PM CST Sun Nov 30 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST MONDAY...

.REST OF TONIGHT...Northeast winds 20 to 25 knots with gusts up
to 30 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave
Detail: Northeast 7 feet at 6 seconds. A slight chance of
thunderstorms early this evening. A chance of showers. A chance
of thunderstorms.
.MONDAY...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail:
Northeast 6 feet at 7 seconds. Showers. A chance of
thunderstorms, mainly in the morning.
.MONDAY NIGHT...North winds around 20 knots, increasing to 20 to
25 knots after midnight. Seas 5 to 7 feet, occasionally to
9 feet. Wave Detail: Northeast 5 feet at 6 seconds. Patchy fog in
the evening. Showers likely, mainly in the evening.
.TUESDAY...North winds 20 to 25 knots, diminishing to around
20 knots in the afternoon. Seas 5 to 7 feet, occasionally to
9 feet. Wave Detail: Northeast 6 feet at 7 seconds.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots, becoming east
after midnight. Seas 3 to 5 feet. Wave Detail: Northeast 4 feet
at 7 seconds.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 6 seconds. A chance of showers in the
afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots with gusts up
to 20 knots. Seas 3 to 4 feet. A chance of thunderstorms.
Showers.
.THURSDAY...South winds around 15 knots, becoming east 15 to
20 knots in the afternoon. Seas 4 to 5 feet. Showers with a
chance of thunderstorms.
.THURSDAY NIGHT...Northeast winds 15 to 20 knots, becoming north
after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Showers
with a chance of thunderstorms in the evening, then showers
likely after midnight.
.FRIDAY...Northwest winds 10 to 15 knots. Seas 4 to 5 feet.
Showers with a chance of thunderstorms in the morning, then
showers likely in the afternoon.
.FRIDAY NIGHT...North winds 10 to 15 knots. Seas 3 to 4 feet.
Showers likely, mainly in the evening.

Winds and seas higher in and near thunderstorms.

$$