Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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372
FZUS54 KHGX 030525
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1225 AM CDT Thu Jul 3 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.

GMZ300-031815-
Synopsis for High Island to the Matagorda Ship Channel out
60 nautical miles including Galveston and Matagorda Bays
1225 AM CDT Thu Jul 3 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 relatively low
seas will prevail for the remainder of the week. Isolated showers
and thunderstorms cannot be ruled out each day, but chances are
fairly low. Hazy skies due to Saharan dust return Friday into the
weekend.


$$

GMZ335-031815-
Galveston Bay-
1225 AM CDT Thu Jul 3 2025

.REST OF TONIGHT...South to southwest winds 5 to 10 knots. Bay
waters smooth.
.THURSDAY...Southwest winds around 5 knots, backing to south in
the afternoon. Bay waters smooth. A slight chance of showers and
thunderstorms in the afternoon.
.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 5 to 10 knots. Bay waters smooth.
.SATURDAY...South winds 5 to 10 knots. Bay waters smooth.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters
smooth.
.SUNDAY...West winds around 5 knots, backing to southeast in the
afternoon. Bay waters smooth. A chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters smooth.
.MONDAY...Southwest winds around 5 knots, backing to south in the
afternoon. Bay waters smooth. A chance of showers and
thunderstorms.
.MONDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-031815-
Matagorda Bay-
1225 AM CDT Thu Jul 3 2025

.REST OF TONIGHT...South to southwest winds 5 to 10 knots. Bay
waters smooth.
.THURSDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers in the morning. A slight chance of
thunderstorms. A slight chance of showers in the afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.FRIDAY...South winds 10 to 15 knots. Bay waters slightly choppy.
.FRIDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.SATURDAY...South winds 5 to 10 knots. Bay waters smooth.
.SATURDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.SUNDAY...South winds 5 to 10 knots. Bay waters smooth.
.SUNDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.MONDAY...South winds 5 to 10 knots. Bay waters smooth. A chance
of showers in the morning.
.MONDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-031815-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1225 AM CDT Thu Jul 3 2025

.REST OF TONIGHT...South winds 10 to 15 knots with gusts from 15
to 20 knots. Seas around 2 feet or less. Wave Detail: South 2
feet at 6 seconds.
.THURSDAY...South winds 5 to 10 knots. Seas around 2 feet or
less. Wave Detail: South 2 feet at 6 seconds. A slight chance of
showers and thunderstorms until late afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet
or less, then around 3 feet after midnight. Wave Detail: South
2 feet at 6 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas around 2 feet or less.
Wave Detail: South 2 feet at 6 seconds.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet or
less. Wave Detail: South 2 feet at 5 seconds and southeast 1 foot
at 8 seconds.
.SATURDAY...South winds 5 to 10 knots. Seas around 2 feet or
less. Wave Detail: South 2 feet at 5 seconds and southeast 1 foot
at 9 seconds.
.SATURDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet
or less.
.SUNDAY...Southwest winds 5 to 10 knots, backing to southeast in
the afternoon. Seas around 2 feet or less.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet or
less.
.MONDAY...South winds 5 to 10 knots. Seas around 2 feet or less.
A chance of showers and thunderstorms.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet or
less.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-031815-
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-
1225 AM CDT Thu Jul 3 2025

.REST OF TONIGHT...South to southeast winds 10 to 15 knots with
higher gusts. Seas around 3 feet. Wave Detail: Southeast 3 feet at
6 seconds.
.THURSDAY...South winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: South 2 feet at 6 seconds. A slight chance of showers and
thunderstorms early in the morning.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 3 feet.
Wave Detail: Southeast 2 feet at 6 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: South 2 feet at 6 seconds and southeast 1 foot at
9 seconds.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 3 feet in
the evening, then around 2 feet or less. Wave Detail: South
2 feet at 5 seconds and southeast 1 foot at 9 seconds.
.SATURDAY...South winds 5 to 10 knots. Seas around 2 feet or
less. Wave Detail: South 2 feet at 5 seconds and southeast 1 foot
at 9 seconds.
.SATURDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet
or less.
.SUNDAY...Southwest winds around 5 knots, backing to southeast in
the afternoon. Seas around 2 feet or less.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet or
less.
.MONDAY...South winds 5 to 10 knots. Seas around 2 feet or less.
A chance of showers and thunderstorms in the morning.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet or
less.

Winds and seas higher in and near thunderstorms.

$$