999
FZUS54 KHGX 150122
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
822 PM CDT Mon Sep 14 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.

GMZ300-151415-
822 PM CDT Mon Sep 14 2026

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

Light to moderate onshore winds and 2-3 foot seas will prevail
for the next couple days. Look for some late night through early
afternoon isolated to scattered showers and thunderstorms. Look
for increasing easterly winds, building seas, and rain chances
Wednesday night into Thursday evening. Caution or Advisory
conditions could be possible. Winds and seas gradually diminish
late Friday into the weekend.

$$

GMZ335-151415-
Galveston Bay-
822 PM CDT Mon Sep 14 2026

.TONIGHT...South winds 5 to 10 knots. Bay waters smooth.
.TUESDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
slight chance of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth.
.WEDNESDAY...East winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers and thunderstorms after midnight.
.THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Bay waters slightly choppy. A chance of showers and thunderstorms
in the morning.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots, becoming east around 10 knots after midnight. Bay
waters slightly choppy, diminishing to smooth after midnight.
.FRIDAY...East winds 5 to 10 knots. Bay waters smooth.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.SATURDAY...East winds 5 to 10 knots. Bay waters smooth.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-151415-
Matagorda Bay-
822 PM CDT Mon Sep 14 2026

.TONIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.TUESDAY...South winds around 10 knots, becoming southeast 10 to
15 knots in the afternoon. Bay waters smooth, increasing to
slightly choppy in the afternoon. A slight chance of showers and
thunderstorms.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to
around 10 knots after midnight. Bay waters slightly choppy,
diminishing to smooth after midnight. A chance of showers and
thunderstorms after midnight.
.WEDNESDAY...East winds around 10 knots, increasing to 10 to
15 knots in the afternoon. Bay waters smooth, increasing to
slightly choppy in the afternoon.
.WEDNESDAY NIGHT...East winds 10 to 15 knots, diminishing to
around 10 knots after midnight. Bay waters slightly choppy,
diminishing to smooth after midnight. A chance of showers and
thunderstorms after midnight.
.THURSDAY...East winds 10 to 15 knots. Bay waters slightly
choppy. Showers and thunderstorms likely.
.THURSDAY NIGHT...East winds 10 to 15 knots. Bay waters slightly
choppy.
.FRIDAY...East winds 10 to 15 knots. Bay waters slightly choppy.
.FRIDAY NIGHT...East winds 10 to 15 knots, diminishing to around
10 knots after midnight. Bay waters slightly choppy, diminishing
to smooth after midnight.
.SATURDAY...East winds 5 to 10 knots. Bay waters smooth.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-151415-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
822 PM CDT Mon Sep 14 2026

.TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 6 seconds. A slight chance of showers and
thunderstorms.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.WEDNESDAY...East winds around 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 6 seconds.
.WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at
5 seconds. A chance of showers and thunderstorms after midnight.
.THURSDAY...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: Southeast 4 feet at 5 seconds. Showers and thunderstorms
likely, mainly in the morning.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet.
.FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots, diminishing to around
10 knots after midnight. Seas 2 to 4 feet.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-151415-
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-
822 PM CDT Mon Sep 14 2026

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

Winds and seas higher in and near thunderstorms.

$$