578
FZUS54 KHGX 042044
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
344 PM CDT Fri Apr 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.

GMZ300-050915-
Synopsis for High Island to the Matagorda Ship Channel out
60 nautical miles including Galveston and Matagorda Bays
344 PM CDT Fri Apr 4 2025

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

A long fetch of 20 to 30 knot south-southeast winds will continue
across the western Gulf, producing elevated seas. This southerly
flow will continue through late Saturday afternoon...followed by
a cold frontal passage late in the day for Matagorda Bay and early
evening Galveston Bay. There is potential for some gusts near
gale force behind the front going into Sunday morning. Water
levels will remain above normal until late Saturday night. Winds
and seas will begin to subside Sunday night and favorable marine
conditions are anticipated for much of next week.


$$

GMZ335-050915-
Galveston Bay-
344 PM CDT Fri Apr 4 2025

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

.TONIGHT...Southeast winds around 20 to 25 knots with some gusts
to 30 knots. Bay waters rough.
.SATURDAY...South winds 20 to 25 knots. Bay waters rough. A
chance of showers with a slight chance of thunderstorms in the
morning, then showers and thunderstorms likely in the afternoon.
.SATURDAY NIGHT...Winds becoming northwest 20 to 30 knots and
gusty early in the evening. Bay waters rough. Showers with
thunderstorms likely in the evening.
.SUNDAY...Northwest winds 20 to 25 knots. Bay waters rough.
.SUNDAY NIGHT...Northwest winds 15 to 20 knots. Bay waters
choppy.
.MONDAY...North winds 10 to 15 knots. Bay waters slightly choppy.
.MONDAY NIGHT...North winds 10 to 15 knots, easing to around
10 knots after midnight. Bay waters slightly choppy, easing to
smooth after midnight.
.TUESDAY...Northeast winds around 5 knots, veering to southeast
in the afternoon. Bay waters smooth.
.TUESDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY...South winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-050915-
Matagorda Bay-
344 PM CDT Fri Apr 4 2025

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

.TONIGHT...Southeast winds around 20 to 25 knots with some higher
gusts. Bay waters rough.
.SATURDAY...South winds 20 to 25 knots becoming northwest late.
Bay waters rough. A chance of showers with a slight chance of
thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon.
.SATURDAY NIGHT...Northwest winds 20 to 30 knots. Bay waters
rough. Showers with thunderstorms likely in the evening.
.SUNDAY...Northwest winds 20 to 25 knots. Gusts to 35 knots early
in the morning. Bay waters rough.
.SUNDAY NIGHT...North winds 15 to 20 knots. Bay waters choppy.
.MONDAY...North winds 10 to 15 knots. Bay waters slightly choppy.
.MONDAY NIGHT...North winds 10 to 15 knots, becoming northeast
around 10 knots after midnight. Bay waters slightly choppy,
easing to smooth after midnight.
.TUESDAY...Northeast winds around 5 knots, veering to southeast
in the afternoon. Bay waters smooth.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth.
.WEDNESDAY...South winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY NIGHT...South winds around 10 knots. Bay waters smooth
to slightly choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-050915-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
344 PM CDT Fri Apr 4 2025

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

.TONIGHT...Southeast winds 20 to 25 knots and gusty. Seas 6 to 8
feet, occasionally to 9 feet. Wave Detail: Southeast 8 feet at 9
seconds.
.SATURDAY...South winds 20 to 25 knots. Seas 7 to 9 feet,
occasionally to 11 feet. Wave Detail: Southeast 9 feet at 9
seconds. A slight chance of showers and thunderstorms late in the
morning. A chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds around 20 knots, becoming northwest
25 to 30 knots in the evening. Seas 6 to 9 feet, occasionally to
11 feet. Wave Detail: Southeast 8 feet at 10 seconds and
northwest 5 feet at 4 seconds. Showers likely in the evening. A
chance of thunderstorms until early morning. A chance of showers
after midnight.
.SUNDAY...Northwest winds 20 to 25 knots with gusts up to
35 knots. Seas 6 to 9 feet, occasionally to 11 feet, subsiding to
5 to 7 feet, occasionally to 9 feet in the afternoon. Wave
Detail: Southeast 6 feet at 10 seconds and northwest 5 feet at
4 seconds, becoming northwest 5 feet at 4 seconds and southeast
5 feet at 9 seconds.
.SUNDAY NIGHT...North winds 20 to 25 knots, easing to around
20 knots late. Seas 4 to 6 feet, occasionally to 8 feet. Wave
Detail: Northwest 4 feet at 4 seconds and southeast 4 feet at
9 seconds.
.MONDAY...North winds 15 to 20 knots. Seas 3 to 5 feet. Wave
Detail: North 4 feet at 4 seconds and southeast 4 feet at
9 seconds.
.MONDAY NIGHT...North winds 10 to 15 knots. Seas 3 to 4 feet.
.TUESDAY...Northeast winds 5 to 10 knots, veering to east in the
afternoon. Seas around 3 feet in the morning, then around 2 feet
or less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet or less.
.WEDNESDAY...South winds around 10 knots. Seas around 2 feet or
less.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas around
3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-050915-
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-
344 PM CDT Fri Apr 4 2025

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

.TONIGHT...Southeast winds 20 to 25 knots. Gusts to 35 knots
late. Seas 8 to 11 feet, occasionally to 13 feet. Wave Detail:
Southeast 11 feet at 9 seconds.
.SATURDAY...South winds 20 to 25 knots, easing to around 20 knots
late. Seas 9 to 12 feet, occasionally to 15 feet. Wave Detail:
Southeast 11 feet at 9 seconds. A chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds around 20 knots, becoming northwest
around 30 knots in the mid to late evening. Seas 8 to 10 feet,
occasionally to 13 feet. Wave Detail: Southeast 9 feet at 10
seconds and northwest 6 feet at 5 seconds. Showers with a chance
of thunderstorms until early morning, then a chance of showers
late.
.SUNDAY...Northwest winds around 30 knots, easing to 20 to
25 knots in the afternoon. Seas 7 to 10 feet, occasionally to
13 feet. Wave Detail: Northwest 7 feet at 6 seconds and southeast
7 feet at 9 seconds. A chance of showers early in the morning.
.SUNDAY NIGHT...North winds 20 to 25 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: Northwest 6 feet at
6 seconds and southeast 5 feet at 9 seconds.
.MONDAY...North winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: North 6 feet at 6 seconds
and southeast 5 feet at 9 seconds.
.MONDAY NIGHT...North winds 10 to 15 knots. Seas 3 to 5 feet.
.TUESDAY...Northeast winds 5 to 10 knots. Seas around 3 feet.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
3 feet in the evening, then around 2 feet or less.
.WEDNESDAY...South winds 5 to 10 knots. Seas around 2 feet or
less.
.WEDNESDAY NIGHT...South winds around 10 knots, rising to 10 to
15 knots after midnight. Seas around 3 feet.

Winds and seas higher in and near thunderstorms.

$$