Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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546
FZUS54 KHGX 140354
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1054 PM CDT Fri Jun 13 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.

GMZ300-141615-
Synopsis for High Island to the Matagorda Ship Channel out
60 nautical miles including Galveston and Matagorda Bays
1054 PM CDT Fri Jun 13 2025

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

We still have a lingering 4-6 foot swell in the Gulf, but should
gradually be trending down overnight and Saturday. Otherwise, look
for a continued light to moderate onshore flow to persist the next
several days along with isolated to scattered showers and
thunderstorms at times.

$$

GMZ335-141615-
Galveston Bay-
1054 PM CDT Fri Jun 13 2025

.REST OF TONIGHT...South winds around 10 knots. Bay waters smooth
to slightly choppy. A slight chance of showers and thunderstorms
late this evening. A slight chance of showers and thunderstorms
late.
.SATURDAY...South winds around 10 knots. Bay waters smooth to
slightly choppy. A chance of showers and thunderstorms.
.SATURDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms early in the evening.
.SUNDAY...South winds 5 to 10 knots. Bay waters smooth. A chance
of showers. A chance of thunderstorms in the late morning and
afternoon.
.SUNDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms early in the evening.
.MONDAY...South winds 5 to 10 knots. Bay waters smooth. A chance
of thunderstorms. Showers likely, mainly in the morning.
.MONDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.TUESDAY...South winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers and thunderstorms.
.TUESDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.WEDNESDAY...South winds around 15 knots. Bay waters slightly
choppy to choppy. A chance of showers and thunderstorms.
.WEDNESDAY NIGHT...South winds 15 to 20 knots. Bay waters choppy.
A chance of showers after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-141615-
Matagorda Bay-
1054 PM CDT Fri Jun 13 2025

.REST OF TONIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy. A slight chance of showers and thunderstorms
late.
.SATURDAY...South winds 10 to 15 knots. Bay waters slightly
choppy. A slight chance of showers and thunderstorms in the
morning.
.SATURDAY NIGHT...Southeast winds around 10 knots. Bay waters
smooth to slightly choppy.
.SUNDAY...South winds around 10 knots. Bay waters smooth to
slightly choppy. A chance of showers and thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
A chance of showers early in the evening.
.MONDAY...South winds 5 to 10 knots. Bay waters smooth. A chance
of showers and thunderstorms.
.MONDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.TUESDAY...South winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...South winds 15 to 20 knots. Bay waters choppy.
.WEDNESDAY...South winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Bay waters
choppy. A chance of showers after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-141615-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1054 PM CDT Fri Jun 13 2025

.REST OF TONIGHT...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 late this evening. A slight
chance of showers and thunderstorms late.
.SATURDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: South 3 feet at 6 seconds. A chance of showers and
thunderstorms.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of
showers and thunderstorms early in the evening.
.SUNDAY...South winds around 10 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas around 3 feet.
Wave Detail: Southeast 3 feet at 7 seconds. A chance of showers
early in the evening.
.MONDAY...South winds around 10 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds. A chance of thunderstorms.
Showers likely, mainly in the morning.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas around 3 feet.
.TUESDAY...South winds 10 to 15 knots. Seas around 3 feet. A
chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet.
.WEDNESDAY...South winds 15 to 20 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to
4 feet. A chance of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-141615-
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-
1054 PM CDT Fri Jun 13 2025

.REST OF TONIGHT...Southeast winds 10 to 15 knots. Seas 4 to
5 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight
chance of showers and thunderstorms.
.SATURDAY...South 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.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. Wave Detail: Southeast 3 feet at 6 seconds.
.SUNDAY...South winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
3 feet. Wave Detail: Southeast 3 feet at 7 seconds. A chance of
showers early in the evening. A chance of showers and
thunderstorms after midnight.
.MONDAY...South winds around 10 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A chance of thunderstorms.
Showers likely, mainly in the morning.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas around 3 feet.
.TUESDAY...South winds 10 to 15 knots. Seas around 3 feet. A
chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...Southeast winds around 15 knots, becoming south
15 to 20 knots after midnight. Seas 3 to 4 feet.
.WEDNESDAY...South winds 15 to 20 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to
5 feet. A chance of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$