Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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FZUS54 KHGX 230924
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
424 AM CDT Sat Mar 23 2024

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.

GMZ300-232215-
Synopsis for High Island to the Matagorda Ship Channel out
60 nautical miles including Galveston and Matagorda Bays
424 AM CDT Sat Mar 23 2024

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

Winds will weaken today while gradually veering to the east and southeast.
These winds will increase Sunday into Monday ahead of the next
cold front. Small craft will likely need to exercise caution on
much of the waters on Sunday and Monday. A small craft advisory
may be needed by Monday and possibly as early as Sunday,
especially for the waters farther offshore. Showers and possibly a
few thunderstorms are expected as the cold front pushes offshore.
Relatively quiet weather is expected beyond Monday.

$$

GMZ335-232215-
Galveston Bay-
424 AM CDT Sat Mar 23 2024

.TODAY...North winds 10 to 15 knots, becoming northeast around
10 knots early this afternoon, then becoming east late. Bay
waters slightly choppy, becoming smooth this afternoon.
.TONIGHT...Southeast winds around 10 knots, increasing to 10 to
15 knots late. Bay waters smooth, becoming slightly choppy late.
.SUNDAY...Southeast winds around 15 knots, increasing to 15 to
20 knots in the late morning and afternoon. Bay waters slightly
choppy, becoming choppy in the late morning and afternoon.
.SUNDAY NIGHT...Southeast winds around 20 knots, becoming south
20 to 25 knots after midnight. Bay waters rough.
.MONDAY...South winds 20 to 25 knots, diminishing to around
20 knots in the afternoon. Bay waters rough, becoming choppy in
the afternoon. Showers likely with a chance of thunderstorms in
the afternoon.
.MONDAY NIGHT...West winds 10 to 15 knots, becoming northwest
around 10 knots after midnight. Bay waters slightly choppy,
becoming smooth after midnight. A chance of thunderstorms in the
evening. A chance of showers.
.TUESDAY...Northwest winds 5 to 10 knots. Bay waters smooth.
.TUESDAY NIGHT...Northwest 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...Northeast winds 5 to 10 knots. Bay waters
smooth.



$$

GMZ330-232215-
Matagorda Bay-
424 AM CDT Sat Mar 23 2024

.TODAY...Northeast winds 10 to 15 knots, diminishing to around
10 knots late this morning and early afternoon, then becoming
southeast late. Bay waters slightly choppy, becoming smooth late
this morning and afternoon.
.TONIGHT...Southeast winds 10 to 15 knots. Bay waters slightly
choppy.
.SUNDAY...Southeast winds around 15 knots, increasing to 15 to
20 knots in the late morning and afternoon. Bay waters slightly
choppy, becoming choppy in the late morning and afternoon.
.SUNDAY NIGHT...Southeast winds around 20 knots, becoming south
around 30 knots after midnight, then diminishing to 20 to
25 knots late. Bay waters choppy, becoming very rough after
midnight, then becoming rough late.
.MONDAY...South winds 15 to 20 knots, becoming southwest around
15 knots in the afternoon. Bay waters choppy, becoming slightly
choppy in the afternoon.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Bay waters smooth.
.TUESDAY...Northwest winds 5 to 10 knots. Bay waters smooth.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters
smooth.
.WEDNESDAY...Northeast winds 5 to 10 knots. Bay waters smooth.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters
smooth.

$$

GMZ355-232215-
Coastal waters from High Island to Freeport TX out 20 NM-
424 AM CDT Sat Mar 23 2024

.TODAY...North winds 15 to 20 knots, diminishing to 10 to
15 knots late this morning, then becoming northeast around
10 knots early this afternoon, becoming east late. Seas 2 to
4 feet.
.TONIGHT...Southeast winds around 10 knots, increasing to 10 to
15 knots late. Seas around 2 feet.
.SUNDAY...Southeast winds 15 to 20 knots. Seas 2 to 4 feet,
building to 4 to 5 feet in the afternoon.
.SUNDAY NIGHT...Southeast winds 20 to 25 knots. Seas 5 to 7 feet
with occasional seas up to 9 feet.
.MONDAY...South winds 20 to 25 knots, diminishing to around
20 knots in the afternoon. Seas 5 to 7 feet with occasional seas
up to 9 feet. A chance of showers and thunderstorms in the
afternoon.
.MONDAY NIGHT...West winds 10 to 15 knots, becoming northwest
around 10 knots after midnight. Seas 4 to 6 feet with occasional
seas up to 8 feet. A chance of thunderstorms in the evening. A
chance of showers.
.TUESDAY...Northwest winds 10 to 15 knots, diminishing to around
10 knots in the afternoon. Seas 4 to 6 feet with occasional seas
up to 8 feet.
.TUESDAY NIGHT...West winds 5 to 10 knots, becoming northeast
after midnight. Seas 3 to 4 feet.
.WEDNESDAY...Northeast winds around 10 knots. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...Northeast winds around 10 knots. Seas 2 to
4 feet.



$$

GMZ350-232215-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-
424 AM CDT Sat Mar 23 2024

.TODAY...Northeast winds 10 to 15 knots, diminishing to around
10 knots early this afternoon, then becoming east late. Seas 2 to
4 feet.
.TONIGHT...Southeast winds around 10 knots, increasing to 10 to
15 knots after midnight. Seas 2 to 3 feet.
.SUNDAY...Southeast winds 15 to 20 knots. Seas 3 to 5 feet.
.SUNDAY NIGHT...Southeast winds around 20 knots, becoming south
20 to 25 knots after midnight. Seas 5 to 7 feet with occasional
seas up to 9 feet, building to 6 to 9 feet with occasional seas
up to 11 feet after midnight.
.MONDAY...South winds 15 to 20 knots, diminishing to around
15 knots in the afternoon. Seas 6 to 8 feet with occasional seas
up to 10 feet.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Seas 5 to 6 feet
with occasional seas up to 8 feet.
.TUESDAY...Northwest winds 5 to 10 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming
northeast after midnight. Seas 3 to 5 feet.
.WEDNESDAY...Northeast winds around 10 knots. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...Northeast winds around 10 knots. Seas 3 to
4 feet.

$$

GMZ370-375-232215-
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-
424 AM CDT Sat Mar 23 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...

.TODAY...North winds 15 to 20 knots, becoming northeast around
10 knots. Seas 3 to 5 feet.
.TONIGHT...East winds around 10 knots, becoming southeast 10 to
15 knots after midnight. Seas 2 to 3 feet.
.SUNDAY...Southeast winds 15 to 20 knots. Seas 3 to 5 feet,
building to 5 to 7 feet with occasional seas up to 9 feet in the
afternoon.
.SUNDAY NIGHT...Southeast winds 20 to 25 knots. Seas 6 to 8 feet
with occasional seas up to 10 feet, building to 7 to 10 feet with
occasional seas up to 13 feet after midnight.
.MONDAY...South winds 20 to 25 knots, diminishing to around
20 knots in the afternoon. Seas 7 to 10 feet with occasional seas
up to 13 feet, subsiding to 6 to 8 feet with occasional seas up
to 10 feet in the afternoon.
.MONDAY NIGHT...West winds 10 to 15 knots, becoming northwest
after midnight. Seas 6 to 8 feet with occasional seas up to
10 feet. A chance of showers after midnight.
.TUESDAY...Northwest winds 10 to 15 knots, diminishing to around
10 knots in the afternoon. Seas 6 to 8 feet with occasional seas
up to 10 feet.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet.
.WEDNESDAY...Northeast winds around 10 knots. Seas 4 to 5 feet.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to
5 feet.

$$


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