Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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FZUS54 KHGX 182043
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
343 PM CDT Thu Apr 18 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.

GMZ300-190945-
Synopsis for High Island to the Matagorda Ship Channel out
60 nautical miles including Galveston and Matagorda Bays
343 PM CDT Thu Apr 18 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 will push off the coast late Saturday night and
Sunday morning followed by moderate northeast winds in its wake.
Onshore winds resume during the early to middle of next week.

$$

GMZ335-190945-
Galveston Bay-
343 PM CDT Thu Apr 18 2024

.TONIGHT...Southeast winds 10 to 15 knots, becoming south around
10 knots after midnight. Bay waters slightly choppy. A slight
chance of showers and thunderstorms early this evening.
.FRIDAY...Southeast winds around 10 knots. Bay waters smooth to
slightly choppy. A slight chance of showers in the afternoon.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.SATURDAY...Southeast winds around 10 knots, increasing to 10 to
15 knots late. Bay waters smooth, becoming slightly choppy late.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, becoming
northeast around 10 knots after midnight. Bay waters smooth. A
chance of showers and thunderstorms in the evening, then showers
and thunderstorms likely after midnight.
.SUNDAY...North winds near 15 knots. Bay waters slightly choppy to
choppy. Showers and thunderstorms likely in the morning.
.SUNDAY NIGHT...Northeast winds near 15 knots. Bay waters
slightly choppy to choppy.
.MONDAY...East winds around 10 knots. Bay waters smooth to
slightly choppy.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.TUESDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.TUESDAY NIGHT...Southeast winds around 10 knots. Bay waters
smooth to slightly choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ330-190945-
Matagorda Bay-
343 PM CDT Thu Apr 18 2024

.TONIGHT...Southeast winds 10 to 15 knots, diminishing to around
10 knots after midnight. Bay waters slightly choppy, becoming
smooth after midnight.
.FRIDAY...Southeast winds around 10 knots, increasing to 10 to
15 knots late. Bay waters slightly choppy. A slight chance of
showers in the late morning and afternoon.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to
around 10 knots late. Bay waters slightly choppy, becoming smooth
late.
.SATURDAY...Southeast winds around 10 knots, increasing to 10 to
15 knots in the afternoon. Bay waters slightly choppy.
.SATURDAY NIGHT...East winds 10 to 15 knots, diminishing to
around 10 knots after midnight, then becoming northeast late. Bay
waters slightly choppy. A chance of showers and thunderstorms in
the evening, then showers and thunderstorms likely after midnight.
.SUNDAY...North winds around 15 knots, increasing to 15 to
20 knots in the afternoon. Bay waters slightly choppy, becoming
choppy in the afternoon. A chance of showers and thunderstorms in
the morning.
.SUNDAY NIGHT...North winds 15 to 20 knots, becoming northeast
around 15 knots after midnight. Bay waters choppy, becoming
slightly choppy after midnight.
.MONDAY...East winds 10 to 15 knots. Bay waters slightly choppy.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
.TUESDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
.TUESDAY NIGHT...Southeast winds around 10 knots. Bay waters
smooth to slightly choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ350-355-190945-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
343 PM CDT Thu Apr 18 2024

.TONIGHT...Southeast winds 10 to 15 knots, diminishing to around
10 knots after midnight. Seas 3 to 4 feet.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet. A
slight chance of showers in the afternoon.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.SATURDAY...Southeast winds around 10 knots, becoming east 10 to
15 knots late. Seas 2 to 3 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots, becoming northeast
late. Seas 2 to 3 feet. A chance of showers and thunderstorms in
the evening, then showers and thunderstorms likely after
midnight.
.SUNDAY...North winds around 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 3 to 5 feet. Thunderstorms likely
with a chance of showers in the morning.
.SUNDAY NIGHT...Northeast winds 15 to 20 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.
.TUESDAY...Southeast winds around 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ370-375-190945-
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-
343 PM CDT Thu Apr 18 2024

.TONIGHT...Southeast winds 10 to 15 knots, diminishing to around
10 knots late. 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 around
3 feet.
.SATURDAY...Southeast winds around 10 knots. Seas 3 to 4 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots, becoming east
around 10 knots late. Seas 3 to 4 feet. 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. Showers and
thunderstorms likely in the morning.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet.
.MONDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet.
.MONDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet.
.TUESDAY...Southeast winds around 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas around
3 feet.

Winds and seas higher in and near thunderstorms.

$$


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