839
FZUS54 KHGX 051330
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
830 AM CDT Sun Oct 5 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.

GMZ300-060215-
830 AM CDT Sun Oct 5 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 Gulf waters for easterly (NE in the morning, SE in
the afternoon) winds of 15 to 20 knots. Gusts to 25 knots and
locally higher seas of 6 to 8 feet are possible. Conditions are
expected to improve this afternoon into Monday.

$$

GMZ335-060215-
Galveston Bay-
830 AM CDT Sun Oct 5 2025

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

$$

GMZ330-060215-
Matagorda Bay-
830 AM CDT Sun Oct 5 2025

.TODAY...Northeast winds 10 to 15 knots, becoming east late. Bay
waters slightly choppy. A slight chance of showers.
.TONIGHT...East winds 10 to 15 knots, diminishing to around
10 knots after midnight. Bay waters slightly choppy, diminishing
to smooth after midnight. A slight chance of showers after
midnight.
.MONDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Bay waters smooth.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.TUESDAY...East winds 5 to 10 knots. Bay waters smooth.
.TUESDAY NIGHT...East winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY...Northeast winds 10 to 15 knots. Bay waters slightly
choppy.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Bay waters slightly
choppy.
.THURSDAY...Northeast winds 10 to 15 knots. Bay waters slightly
choppy.
.THURSDAY NIGHT...East winds 10 to 15 knots. Bay waters slightly
choppy.

$$

GMZ355-060215-
Coastal waters from High Island to Freeport TX out 20 NM-
830 AM CDT Sun Oct 5 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT
THIS EVENING...

.TODAY...Northeast winds 10 to 20 knots with gusts up to 25
knots, becoming east around 15 knots late. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. A
chance of showers early this morning, then a slight chance of
showers late this morning and early afternoon.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 6 seconds. A slight chance of showers in
the evening, then a chance of showers after midnight.
.MONDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
5 seconds.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: East 2 feet at 5 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 1 foot at 5 seconds.
.TUESDAY NIGHT...East winds around 10 knots. Seas around 2 feet.
Wave Detail: East 1 foot at 4 seconds.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers in the evening.
.THURSDAY...Northeast winds 15 to 20 knots, becoming east around
15 knots in the afternoon. Seas 2 to 3 feet.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.

$$

GMZ350-060215-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-
830 AM CDT Sun Oct 5 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT
THIS EVENING...

.TODAY...Northeast winds 10 to 20 knots, becoming east around 15
knots late. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
East 6 feet at 7 seconds. A chance of showers until late
afternoon.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 7 seconds. A chance of showers after
midnight.
.MONDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
6 seconds.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. Wave Detail: East 2 feet at 6 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 6 seconds.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 5 seconds.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers in the morning.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet.
A chance of showers.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. A
chance of showers.
.THURSDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet.

$$

GMZ375-060215-
Waters from High Island to Freeport TX from 20 to 60 NM-
830 AM CDT Sun Oct 5 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT
THIS EVENING...

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

Winds and seas higher in and near thunderstorms.

$$

GMZ370-060215-
Waters from Freeport to Matagorda Ship Channel TX from 20 to
60 NM-
830 AM CDT Sun Oct 5 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT
THIS EVENING...

.TODAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: East 6 feet at 7 seconds. A
chance of showers until late afternoon. A slight chance of
thunderstorms this afternoon. A slight chance of showers late.
.TONIGHT...East winds around 10 knots, becoming southeast after
midnight. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at
6 seconds. A slight chance of showers in the evening, then a
chance of showers after midnight.
.MONDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 6 seconds. A chance of showers in the
morning.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: East 2 feet at 6 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 7 seconds and northeast 1 foot at
4 seconds. A chance of showers.
.TUESDAY NIGHT...East winds around 10 knots. Seas around 2 feet.
Wave Detail: Northeast 2 feet at 3 seconds and east 2 feet at
6 seconds. A chance of showers after midnight.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers.
.WEDNESDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet.
A chance of showers.
.THURSDAY...Northeast winds 15 to 20 knots. Seas around 4 feet. A
chance of showers.
.THURSDAY NIGHT...East winds around 15 knots. Seas 4 to 5 feet.

Winds and seas higher in and near thunderstorms.

$$