082
FZUS54 KHGX 041643
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1143 AM CDT Sat Oct 4 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.

GMZ300-050530-
1143 AM CDT Sat Oct 4 2025

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

Scattered showers and isolated thunderstorms will continue over
the coastal waters through the weekend with the greatest coverage
likely staying in the offshore waters. Small craft should exercise
caution in the bays as easterly winds of 15 to 20 knots with
choppy waters. A Small Craft Advisory has been issued for the
Gulf waters this evening through early Sunday morning as frequent
wind gusts to 25 knots are expected and locally higher seas of 6
to 8 feet are possible. Conditions are expected to improve Sunday
afternoon into Monday.

$$

GMZ335-050530-
Galveston Bay-
1143 AM CDT Sat Oct 4 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT THROUGH SUNDAY
MORNING...

.REST OF TODAY...East winds 10 to 15 knots with gusts up to
20 knots. Bay waters slightly choppy. A slight chance of showers
this afternoon.
.TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots.
Bay waters choppy. A slight chance of showers.
.SUNDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots. Bay waters slightly choppy.
.SUNDAY NIGHT...East winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers and thunderstorms after midnight.
.MONDAY...East winds around 10 knots, becoming southeast in the
afternoon. Bay waters smooth to slightly choppy. A chance of
thunderstorms in the morning. A chance of showers.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.TUESDAY...East winds 5 to 10 knots. Bay waters smooth. A chance
of thunderstorms in the morning. A chance of showers.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming
northeast after midnight. Bay waters smooth, increasing to smooth
to slightly choppy after midnight.
.WEDNESDAY...Northeast winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers in the afternoon.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Bay waters slightly
choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-050530-
Matagorda Bay-
1143 AM CDT Sat Oct 4 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT THROUGH SUNDAY
MORNING...

.REST OF TODAY...Northeast winds 10 to 15 knots. Bay waters
slightly choppy. A slight chance of thunderstorms late this
morning. A slight chance of showers.
.TONIGHT...East winds 15 to 20 knots, becoming northeast around
15 knots after midnight. Bay waters choppy, diminishing to
slightly choppy after midnight. A slight chance of showers.
.SUNDAY...Northeast winds 10 to 15 knots, becoming east in the
afternoon. Bay waters slightly choppy.
.SUNDAY NIGHT...East winds 10 to 15 knots, diminishing to around
10 knots after midnight. Bay waters slightly choppy, diminishing
to smooth after midnight.
.MONDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Bay waters smooth, increasing to smooth to slightly
choppy in the afternoon.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.TUESDAY...East winds around 10 knots, increasing to 10 to
15 knots in the afternoon. Bay waters smooth, increasing to
slightly choppy in the afternoon. A chance of showers.
.TUESDAY NIGHT...East winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers after midnight.
.WEDNESDAY...Northeast winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers in the evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ355-050530-
Coastal waters from High Island to Freeport TX out 20 NM-
1143 AM CDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...

.REST OF TODAY...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at
6 seconds. A chance of showers with a slight chance of
thunderstorms late this morning, then a slight chance of showers
late.
.TONIGHT...East winds 20 to 25 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: East 6 feet at 6 seconds. A
slight chance of thunderstorms in the evening. A chance of
showers.
.SUNDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: East 5 feet at 7 seconds. A chance of showers in the
morning.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 6 seconds. A chance of showers. A chance
of thunderstorms after midnight.
.MONDAY...Southeast winds around 10 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 5 seconds. A chance of showers and
thunderstorms in the morning.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet. Wave Detail: East 2 feet at 5 seconds.
.TUESDAY...East winds around 10 knots. Seas around 2 feet. A
chance of thunderstorms in the morning. A chance of showers.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. A
chance of showers after midnight.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. A
chance of showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 3 feet. A
chance of showers in the evening.

Winds and seas higher in and near thunderstorms.

$$

GMZ350-050530-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-
1143 AM CDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...

.REST OF TODAY...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at
6 seconds. A slight chance of thunderstorms. A chance of showers
late this morning, then a slight chance of showers late.
.TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. A chance
of showers.
.SUNDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: East 5 feet at 7 seconds. A chance of showers in the
morning.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 7 seconds. A chance of showers after
midnight.
.MONDAY...East winds around 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 6 seconds.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet. Wave Detail: East 2 feet at 6 seconds.
.TUESDAY...East winds 10 to 15 knots. Seas around 2 feet. A
chance of thunderstorms in the morning. A chance of showers.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. A
chance of showers after midnight.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. A
chance of showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 3 feet. A
chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ375-050530-
Waters from High Island to Freeport TX from 20 to 60 NM-
1143 AM CDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...

.REST OF TODAY...Northeast winds around 20 knots with gusts up to
25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail:
East 6 feet at 7 seconds. Showers likely with a slight chance of
thunderstorms.
.TONIGHT...East winds 20 to 25 knots with gusts up to 30 knots.
Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East
6 feet at 7 seconds. A chance of showers with a slight chance of
thunderstorms.
.SUNDAY...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at
7 seconds. A chance of showers.
.SUNDAY NIGHT...East winds 10 to 15 knots, becoming southeast
after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at
6 seconds. A chance of showers. A chance of thunderstorms after
midnight.
.MONDAY...Southeast winds around 10 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 6 seconds. A chance of showers in the
morning.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. Wave Detail: East 2 feet at 5 seconds. A chance of
showers after midnight.
.TUESDAY...East winds around 10 knots. Seas around 2 feet. A
chance of showers.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. A
chance of showers.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. A
chance of showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas around 3 feet.
A chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-050530-
Waters from Freeport to Matagorda Ship Channel TX from 20 to
60 NM-
1143 AM CDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...

.REST OF TODAY...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas around 5 feet. Wave Detail: East 5 feet at
7 seconds. Showers likely with a chance of thunderstorms late
this morning, then a chance of showers with a slight chance of
thunderstorms late.
.TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East
6 feet at 7 seconds. A chance of showers with a slight chance of
thunderstorms.
.SUNDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at
7 seconds.
.SUNDAY NIGHT...East winds 10 to 15 knots, becoming southeast
after midnight. Seas around 3 feet. Wave Detail: Northeast 3 feet
at 6 seconds. A chance of showers.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 6 seconds.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet. Wave Detail: East 2 feet at 6 seconds. A chance of
showers after midnight.
.TUESDAY...East winds 10 to 15 knots. Seas around 2 feet. A
chance of thunderstorms in the morning. A chance of showers.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. A
chance of showers.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. A
chance of showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet. A
chance of showers.

Winds and seas higher in and near thunderstorms.

$$