Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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FZUS54 KHGX 172004
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
304 PM CDT Wed Apr 17 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.

GMZ300-180915-
Synopsis for High Island to the Matagorda Ship Channel out
60 nautical miles including Galveston and Matagorda Bays
304 PM CDT Wed Apr 17 2024

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

A continued onshore flow will persist into Saturday. Periods of
haze and fog can be anticipated though it is not expected to
become dense. The next cold front, and associated showers and
thunderstorms, is scheduled to push off the coast late Saturday
night or Sunday morning followed by moderate northeast winds in
its wake. Onshore winds resume during the early to middle of next
week.

$$

GMZ335-180915-
Galveston Bay-
304 PM CDT Wed Apr 17 2024

.TONIGHT...Southeast winds 10 to 15 knots. Bay waters slightly
choppy.
.THURSDAY...Southeast winds 10 to 15 knots. Bay waters slightly
choppy.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.
.FRIDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.FRIDAY NIGHT...Southeast winds around 10 knots. Bay waters
smooth to slightly choppy.
.SATURDAY...Southeast winds 10 to 15 knots. Bay waters slightly
choppy.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, becoming
northeast after midnight. Bay waters slightly choppy, becoming
smooth to slightly choppy after midnight. A chance of showers and
thunderstorms in the evening, then showers and thunderstorms
after midnight.
.SUNDAY...North winds near 15 knots. Bay waters slightly choppy.
A chance of showers and thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds near 15 knots. Bay waters
slightly choppy.
.MONDAY...Northeast winds 10 to 15 knots, becoming east around
10 knots in the afternoon. Bay waters slightly choppy, becoming
smooth in the afternoon.
.MONDAY NIGHT...Southeast winds around 10 knots. Bay waters
smooth to slightly choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-180915-
Matagorda Bay-
304 PM CDT Wed Apr 17 2024

.TONIGHT...Southeast winds 10 to 15 knots. Bay waters slightly
choppy. Patchy fog early this evening.
.THURSDAY...Southeast winds 10 to 15 knots. Bay waters slightly
choppy. Patchy fog early in the morning.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.
.FRIDAY...Southeast winds around 10 knots, increasing to 10 to
15 knots late. Bay waters smooth, becoming slightly choppy late.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy.
.SATURDAY...Southeast winds 10 to 15 knots. Bay waters slightly
choppy.
.SATURDAY NIGHT...East winds 10 to 15 knots, becoming northeast
near 15 knots after midnight. Bay waters slightly choppy. Showers
and thunderstorms likely.
.SUNDAY...North winds near 15 knots. Bay waters slightly choppy.
A chance of showers and thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters
slightly choppy.
.MONDAY...Northeast winds 10 to 15 knots, becoming east around
10 knots in the afternoon. Bay waters slightly choppy, becoming
smooth in the afternoon.
.MONDAY NIGHT...Southeast winds around 10 knots. Bay waters
smooth to slightly choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-180915-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
304 PM CDT Wed Apr 17 2024

.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Patchy fog until early morning.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet.
.FRIDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms in the evening, then showers
and thunderstorms likely after midnight.
.SUNDAY...Northeast winds near 15 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds around 15 knots. Seas 3 to
4 feet.
.MONDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-180915-
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-
304 PM CDT Wed Apr 17 2024

.TONIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet.
Patchy fog until early morning.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to
5 feet.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms in the evening, then showers
and thunderstorms likely after midnight.
.SUNDAY...Northeast winds around 15 knots, becoming north 15 to
20 knots in the afternoon. Seas 3 to 5 feet. A chance of
thunderstorms in the morning. A chance of showers.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas up to 8 feet.
.MONDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet.
.MONDAY NIGHT...East winds around 10 knots. Seas 2 to 4 feet.

Winds and seas higher in and near thunderstorms.

$$


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