Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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702
FZUS54 KHGX 240502
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1202 AM CDT Tue Jun 24 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.

GMZ300-241730-
Synopsis for High Island to the Matagorda Ship Channel out
60 nautical miles including Galveston and Matagorda Bays
1202 AM CDT Tue Jun 24 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. Scattered showers and
thunderstorms are expected Today and Wednesday, becoming isolated
on Thursday. Chances for showers and thunderstorms will increase
again going into the weekend. Gusty winds and elevated seas will
be possible in and around thunderstorms.

$$

GMZ335-241730-
Galveston Bay-
1202 AM CDT Tue Jun 24 2025

.OVERNIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.TODAY...East winds 5 to 10 knots. Bay waters smooth. A chance of
showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.TONIGHT...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...East winds 5 to 10 knots, veering to southeast late.
Bay waters smooth, rising to smooth to slightly choppy late. A
chance of thunderstorms. Showers likely until late afternoon,
then a chance of showers late.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth. A chance of showers and thunderstorms early in the
evening.
.THURSDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.THURSDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.FRIDAY...South winds 5 to 10 knots. Bay waters smooth. A chance
of showers in the afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.SATURDAY...South winds 5 to 10 knots. Bay waters smooth. A
chance of showers in the afternoon.
.SATURDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-241730-
Matagorda Bay-
1202 AM CDT Tue Jun 24 2025

.OVERNIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.TODAY...East winds 5 to 10 knots. Bay waters smooth. A slight
chance of showers and thunderstorms early in the morning, then a
chance of showers and thunderstorms in the late morning and
afternoon.
.TONIGHT...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms late.
.WEDNESDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of thunderstorms. Showers likely until late afternoon,
then a chance of showers late.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth. A chance of showers and thunderstorms early in the
evening.
.THURSDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.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 5 to 10 knots. Bay waters smooth.
.SATURDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-241730-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1202 AM CDT Tue Jun 24 2025

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

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-241730-
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-
1202 AM CDT Tue Jun 24 2025

.OVERNIGHT...Southeast winds around 10 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
.TODAY...East winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A slight chance of showers
and thunderstorms early in the morning, then a chance of showers
and thunderstorms in the late morning and afternoon.
.TONIGHT...Southeast winds 5 to 10 knots. Seas around 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds. 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. Seas around 2 feet or
less. Wave Detail: Southeast 2 feet at 5 seconds. A chance of
thunderstorms. Showers likely until late afternoon, then a chance
of showers late.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Seas around
3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of
showers and thunderstorms early in the evening.
.THURSDAY...Southeast winds 5 to 10 knots. Seas around 3 feet.
Wave Detail: Southeast 3 feet at 7 seconds.
.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 5 to 10 knots. Seas around 2 feet
or less.
.SATURDAY...South winds 5 to 10 knots. Seas around 2 feet or
less. A chance of showers in the morning.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.

Winds and seas higher in and near thunderstorms.

$$