422
FZUS54 KHGX 231130
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
630 AM CDT Mon Jun 23 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.

GMZ300-240030-
Synopsis for High Island to the Matagorda Ship Channel out
60 nautical miles including Galveston and Matagorda Bays
630 AM CDT Mon Jun 23 2025

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

Light to occasionally moderate onshore winds and 3 to 4 foot seas
should prevail for the next several days. Isolated to scattered
showers and storms are possible today with increasing rain
chances through midweek.

$$

GMZ335-240030-
Galveston Bay-
630 AM CDT Mon Jun 23 2025

.TODAY...Southeast winds around 10 knots, rising to 10 to
15 knots late. Bay waters smooth, rising to slightly choppy late.
A chance of showers and thunderstorms, mainly this morning.
.TONIGHT...Southeast winds 10 to 15 knots, easing to around
10 knots after midnight. Bay waters smooth. A slight chance of
showers and thunderstorms early in the evening. A slight chance
of showers and thunderstorms after midnight.
.TUESDAY...East winds 5 to 10 knots. Bay waters smooth. A chance
of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth. A chance of showers and thunderstorms early in the
evening. A chance of showers and thunderstorms after midnight.
.WEDNESDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth.
.THURSDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms in the morning.
.THURSDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.FRIDAY...South winds 5 to 10 knots. Bay waters smooth.
.FRIDAY NIGHT...South winds around 10 knots. Bay waters smooth to
slightly choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-240030-
Matagorda Bay-
630 AM CDT Mon Jun 23 2025

.TODAY...Southeast winds 10 to 15 knots. Bay waters slightly
choppy. A slight chance of showers and thunderstorms early this
morning.
.TONIGHT...Southeast winds 10 to 15 knots, easing to around
10 knots late. Bay waters slightly choppy, easing to smooth late.
A slight chance of showers and thunderstorms.
.TUESDAY...East winds around 10 knots, becoming southeast 10 to
15 knots in the afternoon. Bay waters slightly choppy. A chance
of showers and thunderstorms until late afternoon.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth. A chance of showers and thunderstorms after midnight.
.WEDNESDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth.
.THURSDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms in the morning.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth.
.FRIDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.FRIDAY NIGHT...Southeast winds around 10 knots. Bay waters
smooth to slightly choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-240030-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
630 AM CDT Mon Jun 23 2025

.TODAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A slight chance of showers
and thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots, easing to around
10 knots late. Seas around 3 feet. Wave Detail: Southeast 3 feet
at 6 seconds. A slight chance of showers and thunderstorms in the
late evening and early morning. A chance of showers and
thunderstorms late.
.TUESDAY...East winds around 10 knots, rising to 10 to 15 knots
in the late morning and afternoon. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A chance of showers and
thunderstorms until late afternoon.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas around
3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of
showers and thunderstorms after midnight.
.WEDNESDAY...Southeast winds around 10 knots. Seas around 2 feet
or less, then around 3 feet in the afternoon. Wave Detail:
Southeast 2 feet at 5 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
3 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.THURSDAY...Southeast winds 5 to 10 knots. Seas around 3 feet. A
chance of showers and thunderstorms in the morning.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
3 feet.
.FRIDAY...Southeast winds 5 to 10 knots. Seas around 2 feet or
less.
.FRIDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet or less, then around 3 feet after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-240030-
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-
630 AM CDT Mon Jun 23 2025

.TODAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 6 seconds. A slight chance of showers
and thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots, easing to around
10 knots late. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at
6 seconds. A slight chance of showers and thunderstorms after
midnight.
.TUESDAY...East winds around 10 knots, rising to 10 to 15 knots
in the late morning and afternoon. Seas 3 to 4 feet. Wave Detail:
Southeast 3 feet at 6 seconds. A chance of showers and
thunderstorms until late afternoon.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas around
3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of
showers and thunderstorms after midnight.
.WEDNESDAY...Southeast winds around 10 knots. Seas around 3 feet.
Wave Detail: Southeast 2 feet at 5 seconds. A chance of showers
and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Seas around
3 feet. Wave Detail: Southeast 3 feet at 6 seconds.
.THURSDAY...Southeast winds 5 to 10 knots. Seas around 3 feet. A
chance of showers and thunderstorms in the morning.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
3 feet.
.FRIDAY...Southeast winds 5 to 10 knots. Seas around 3 feet in
the morning, then around 2 feet or less. A chance of showers and
thunderstorms in the morning.
.FRIDAY NIGHT...Southeast winds around 10 knots. Seas around
3 feet.

Winds and seas higher in and near thunderstorms.

$$