403
FZUS54 KHGX 271149
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
549 AM CST Thu Nov 27 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.

GMZ300-280030-
549 AM CST Thu Nov 27 2025

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

Moderate northeast winds today will swing back around to the
southeast Friday and increase in speed. This along with building
seas may require Small Craft Advisories. Periods of unsettled
weather are in the forecast ahead of a cold front expected to push
into the waters late Saturday night or early Sunday morning
followed by gusty north winds in its wake.

$$

GMZ330-335-280030-
Matagorda Bay-Galveston Bay-
549 AM CST Thu Nov 27 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL NOON CST
TODAY...

.TODAY...Northeast winds 10 to 15 knots in the northern bay and
15 to 20 knots in the southern bay. Bay waters slightly choppy to
choppy.
.TONIGHT...Northeast winds 10 to 15 knots. Bay waters slightly
choppy.
.FRIDAY...East winds 15 to 20 knots with gusts up to 25 knots.
Bay waters choppy.
.FRIDAY NIGHT...Southeast winds around 20 knots with gusts up to
25 knots. Bay waters choppy. A chance of showers after midnight.
.SATURDAY...South winds 15 to 20 knots with gusts up to 25 knots.
Bay waters choppy. A chance of thunderstorms in the morning. A
chance of showers.
.SATURDAY NIGHT...South winds around 15 knots, becoming northwest
after midnight. Bay waters slightly choppy, increasing to choppy
after midnight. Showers with a chance of thunderstorms.
.SUNDAY...North winds 20 knots. Bay waters choppy. A chance of
showers.
.SUNDAY NIGHT...Northeast winds around 15 knots. Bay waters
slightly choppy. A chance of showers.
.MONDAY...Northeast winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers in the morning, then showers likely
in the afternoon.
.MONDAY NIGHT...North winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers in the evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-280030-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
549 AM CST Thu Nov 27 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL NOON CST
TODAY...

.TODAY...Northeast winds 15 to 20 knots, diminishing to around
15 knots late. Seas 3 to 5 feet. Wave Detail: East 5 feet at
6 seconds.
.TONIGHT...Northeast winds around 15 knots, becoming east 15 to
20 knots after midnight. Seas 3 to 4 feet. Wave Detail: East
4 feet at 6 seconds.
.FRIDAY...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 3 to 5 feet. Wave Detail: East 5 feet at 6 seconds.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots. Seas 5 to 7 feet,
occasionally to 8 feet. Wave Detail:
Southeast 7 feet at 6 seconds. A chance of showers after
midnight.
.SATURDAY...South winds 20 to 25 knots. Seas 5 to 7 feet,
occasionally to 8 feet. Wave Detail: South 7 feet at 7 seconds. A
chance of showers.
.SATURDAY NIGHT...South winds 15 to 20 knots, becoming west after
midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
South 5 feet at 7 seconds. Showers. A chance of thunderstorms in
the evening, then thunderstorms likely after midnight.
.SUNDAY...North winds 20 to 25 knots. Seas 4 to 5 feet. A chance
of showers.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 5 feet.
A chance of showers.
.MONDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet.
Showers likely.
.MONDAY NIGHT...North winds 15 to 20 knots. Seas 3 to 4 feet.
Showers likely, mainly in the evening.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-280030-
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-
549 AM CST Thu Nov 27 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL NOON CST
TODAY...

.TODAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave
Detail: Northeast 5 feet at 6 seconds.
.TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 7 seconds.
.FRIDAY...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East
5 feet at 6 seconds.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
Southeast 7 feet at 7 seconds. A chance of showers after
midnight.
.SATURDAY...South winds 20 to 25 knots with gusts up to 30 knots.
Seas 6 to 8 feet, occasionally to 9 feet. Wave Detail: Southeast
7 feet at 7 seconds. A chance of showers.
.SATURDAY NIGHT...South winds 15 to 20 knots with gusts up to
25 knots. Seas 6 to 8 feet, occasionally to 9 feet. Wave Detail:
Southeast 5 feet at 7 seconds. A chance of thunderstorms.
Showers.
.SUNDAY...North winds 20 to 25 knots. Seas 5 to 7 feet,
occasionally to 8 feet. A chance of thunderstorms. Showers
likely, mainly in the morning.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 5 to 6 feet,
occasionally to 8 feet. A chance of showers. A chance of
thunderstorms after midnight.
.MONDAY...Northeast winds 15 to 20 knots. Seas 4 to 5 feet.
Showers.
.MONDAY NIGHT...North winds 15 to 20 knots. Seas 4 to 5 feet.
Showers likely, mainly in the evening.

Winds and seas higher in and near thunderstorms.

$$