fzus54 khgx 212340
cwfhgx
expires:202604221215;;770381

coastal waters forecast for texas
national weather service houston/galveston tx
640 pm cdt tue apr 21 2026

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.


gmz335-221215-
galveston bay-
640 pm cdt tue apr 21 2026

...small craft should exercise caution in effect until 1 am cdt
wednesday...

.tonight...east winds around 20 knots with gusts up to 30 knots, 
becoming southeast around 15 knots with gusts up to 20 knots after
midnight. bay waters choppy, diminishing to slightly choppy after
midnight. a chance of showers and thunderstorms early this 
evening, then a slight chance of showers late this evening. a 
chance of showers with a slight chance of thunderstorms late. 
.wednesday...south winds around 10 knots, becoming southeast
10 to 15 knots in the afternoon. bay waters smooth, increasing to
slightly choppy in the afternoon. a chance of showers and
thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon. 
.wednesday night...southeast winds 10 to 15 knots. bay waters
slightly choppy. a chance of showers and thunderstorms in the
evening. 
.thursday...southeast winds 10 to 15 knots. bay waters slightly
choppy. a chance of showers in the morning. 
.thursday night...south winds 10 to 15 knots with gusts up to
20 knots. bay waters slightly choppy. 
.friday...south winds 10 to 15 knots. bay waters slightly choppy.
.friday night...south winds 10 to 15 knots. bay waters slightly
choppy. 
.saturday...south winds 10 to 15 knots. bay waters slightly
choppy. 
.saturday night...south winds 10 to 15 knots. bay waters slightly
choppy. 
.sunday...south winds 10 to 15 knots. bay waters slightly choppy.
.sunday night...south winds 10 to 15 knots. bay waters slightly
choppy. 

winds and waves higher in and near thunderstorms.

$$

fzus54 khgx 212340
cwfhgx
expires:202604221215;;770384

coastal waters forecast for texas
national weather service houston/galveston tx
640 pm cdt tue apr 21 2026

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.


gmz355-221215-
coastal waters from high island to freeport tx out 20 nm-
640 pm cdt tue apr 21 2026

...small craft should exercise caution in effect until 1 am cdt
wednesday...

.tonight...southeast winds around 20 knots with gusts up to 30 
knots, diminishing to around 10 knots late. seas 3 to 4 feet. wave
detail: southeast 4 feet at 5 seconds. a chance of thunderstorms 
with a slight chance of showers early this evening. a chance of 
showers with a slight chance of thunderstorms late. 
.wednesday...southeast winds around 10 knots. seas 3 to 4 feet.
wave detail: southeast 3 feet at 6 seconds. a chance of
thunderstorms. a chance of showers in the morning, then showers
likely in the afternoon. 
.wednesday night...southeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: southeast 3 feet at 7 seconds. 
.thursday...southeast winds 10 to 15 knots. seas 3 to 4 feet. 
.thursday night...southeast winds around 15 knots with gusts up
to 20 knots. seas 3 to 4 feet. wave detail: southeast 4 feet at
7 seconds and south 2 feet at 4 seconds. 
.friday...south winds 10 to 15 knots. seas 3 to 4 feet. wave
detail: southeast 3 feet at 6 seconds. 
.friday night...south winds 10 to 15 knots. seas 2 to 3 feet. 
.saturday...south winds 10 to 15 knots. seas 2 to 3 feet. 
.saturday night...south winds 10 to 15 knots. seas 2 to 3 feet. 
.sunday...south winds 10 to 15 knots. seas 2 to 3 feet. 
.sunday night...south winds 10 to 15 knots. seas 2 to 3 feet in
the evening. 

winds and seas higher in and near thunderstorms.

$$

fzus54 khgx 212340
cwfhgx
expires:202604221215;;770385

coastal waters forecast for texas
national weather service houston/galveston tx
640 pm cdt tue apr 21 2026

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.


gmz370-375-221215-
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-
640 pm cdt tue apr 21 2026

...small craft should exercise caution in effect until 7 pm cdt
this evening...

.tonight...southeast winds 15 to 20 knots with gusts up to
25 knots, diminishing to around 15 knots with gusts up to
20 knots after midnight. seas 4 to 5 feet. wave detail: east
4 feet at 7 seconds. a chance of showers with a slight chance of
thunderstorms early this evening. a slight chance of showers
after midnight. a slight chance of thunderstorms late. 
.wednesday...southeast winds around 10 knots. seas 3 to 5 feet.
wave detail: east 4 feet at 7 seconds. a chance of showers and
thunderstorms. 
.wednesday night...southeast winds 10 to 15 knots. seas around
4 feet. wave detail: east 4 feet at 7 seconds. 
.thursday...southeast winds 10 to 15 knots. seas around 4 feet.
wave detail: southeast 3 feet at 7 seconds. 
.thursday night...southeast winds 10 to 15 knots with gusts up to
20 knots. seas 4 to 5 feet. wave detail: southeast 4 feet at
8 seconds. 
.friday...south winds around 10 knots. seas 3 to 5 feet. wave
detail: southeast 4 feet at 8 seconds and south 2 feet at
5 seconds. 
.friday night...south winds 10 to 15 knots. seas 3 to 4 feet. 
.saturday...south winds 10 to 15 knots. seas around 3 feet. 
.saturday night...southeast winds 10 to 15 knots. seas around
3 feet. 
.sunday...south winds 10 to 15 knots. seas around 3 feet. 
.sunday night...south winds 10 to 15 knots. seas around 3 feet in
the evening. 

winds and seas higher in and near thunderstorms.

$$

fzus54 khgx 211947
cwfhgx
expires:202604220830;;761496

coastal waters forecast for texas
national weather service houston/galveston tx
247 pm cdt tue apr 21 2026

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.


gmz350-355-220830-
coastal waters from freeport to matagorda ship channel tx out
20 nm-coastal waters from high island to freeport tx out 20 nm-
247 pm cdt tue apr 21 2026

...small craft should exercise caution in effect until 7 pm cdt
this evening...

.this afternoon...southeast winds 15 to 20 knots. seas around
4 feet. wave detail: east 4 feet at 6 seconds. a chance of
showers and thunderstorms. 
.tonight...southeast winds 15 to 20 knots, diminishing to around
15 knots after midnight. seas 3 to 4 feet. wave detail: southeast
4 feet at 6 seconds. a chance of showers and thunderstorms. 
.wednesday...southeast winds around 10 knots. seas 3 to 4 feet.
wave detail: southeast 3 feet at 6 seconds. a chance of showers
and thunderstorms. 
.wednesday night...southeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: southeast 4 feet at 7 seconds. 
.thursday...southeast winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: southeast 3 feet at 7 seconds. 
.thursday night...southeast winds 10 to 15 knots with gusts up to
20 knots. seas 3 to 4 feet. wave detail: southeast 4 feet at
7 seconds. 
.friday...south winds 10 to 15 knots. seas 3 to 4 feet. 
.friday night...south winds 10 to 15 knots. seas around 3 feet. 
.saturday...south winds 10 to 15 knots. seas 2 to 3 feet. 
.saturday night...southeast winds 10 to 15 knots. seas 2 to
3 feet. 

winds and seas higher in and near thunderstorms.

$$