fzus54 khgx 190149
cwfhgx
expires:202604191415;;610190

coastal waters forecast for texas
national weather service houston/galveston tx
849 pm cdt sat apr 18 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.


gmz335-191415-
galveston bay-
849 pm cdt sat apr 18 2026

...small craft advisory in effect through sunday afternoon...

.rest of tonight...north winds around 15 knots, becoming
northeast around 30 knots with gusts to gale. bay waters slightly
choppy, increasing to very rough. a chance of thunderstorms. 
showers.
.sunday...northeast winds 20 to 25 knots with gusts up to
35 knots, diminishing to around 20 knots with gusts up to
25 knots in the afternoon. bay waters rough, diminishing to
choppy in the afternoon. showers likely with a slight chance of
thunderstorms in the morning. 
.sunday night...northeast winds 15 to 20 knots. bay waters
choppy. 
.monday...east winds 15 to 20 knots, diminishing to around
15 knots in the afternoon. bay waters choppy, diminishing to
slightly choppy in the afternoon. 
.monday night...east winds 10 to 15 knots. bay waters slightly
choppy. 
.tuesday...southeast winds 10 to 15 knots. bay waters slightly
choppy. a chance of showers in the morning, then showers likely
with a chance of thunderstorms in the afternoon. 
.tuesday night...southeast winds 10 to 15 knots with gusts up to
20 knots. bay waters slightly choppy. a chance of thunderstorms
in the evening. a chance of showers. 
.wednesday...southeast winds 10 to 15 knots. bay waters slightly
choppy. a chance of thunderstorms. showers likely, mainly in the
morning. 
.wednesday night...southeast winds 15 to 20 knots. bay waters
choppy. 
.thursday...southeast winds 15 to 20 knots. bay waters choppy. 
.thursday night...southeast winds 15 to 20 knots. bay waters
choppy. 

winds and waves higher in and near thunderstorms.

$$

fzus54 khgx 190149
cwfhgx
expires:202604191415;;610192

coastal waters forecast for texas
national weather service houston/galveston tx
849 pm cdt sat apr 18 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.


gmz350-355-191415-
coastal waters from freeport to matagorda ship channel tx out
20 nm-coastal waters from high island to freeport tx out 20 nm-
849 pm cdt sat apr 18 2026

...gale warning in effect through sunday afternoon...

.rest of tonight...north winds around 15 knots, becoming
northeast around 30 knots. seas 2 to 4 feet, building to 4 to
6 feet, occasionally to 8 feet. wave detail: south 2 feet at
6 seconds, becoming northeast 3 feet at 3 seconds. a chance of
showers early this evening. a chance of thunderstorms. showers
likely. 
.sunday...northeast winds around 30 knots, diminishing to 20 to
25 knots in the afternoon. seas 5 to 8 feet, occasionally to
10 feet. wave detail: northeast 6 feet at 5 seconds and south
1 foot at 6 seconds. a chance of showers with a slight chance of
thunderstorms in the morning. 
.sunday night...northeast winds 20 to 25 knots, becoming east
around 20 knots after midnight. seas 4 to 6 feet, occasionally to
8 feet. wave detail: east 6 feet at 7 seconds. a chance of
showers after midnight. 
.monday...east winds 15 to 20 knots with gusts up to 25 knots.
seas 4 to 6 feet, occasionally to 8 feet. wave detail: east
5 feet at 7 seconds. a chance of showers. 
.monday night...east winds around 15 knots. seas 3 to 5 feet. a
chance of showers. 
.tuesday...southeast winds 10 to 15 knots. seas 3 to 4 feet. a
chance of showers in the morning, then showers likely with a
chance of thunderstorms in the afternoon. 
.tuesday night...southeast winds 15 to 20 knots, diminishing to
around 15 knots after midnight. seas 3 to 4 feet. a chance of
showers and thunderstorms. 
.wednesday...southeast winds 10 to 15 knots. seas 2 to 4 feet. a
chance of thunderstorms. showers likely, mainly in the morning. 
.wednesday night...southeast winds 15 to 20 knots. seas 2 to
4 feet. 
.thursday...southeast winds 15 to 20 knots. seas 3 to 4 feet. 
.thursday night...southeast winds 15 to 20 knots. seas 3 to
5 feet. 

winds and seas higher in and near thunderstorms.

$$

fzus54 khgx 190149
cwfhgx
expires:202604191415;;610193

coastal waters forecast for texas
national weather service houston/galveston tx
849 pm cdt sat apr 18 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.


gmz370-375-191415-
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-
849 pm cdt sat apr 18 2026

...gale warning in effect through sunday afternoon...

.rest of tonight...southeast winds around 10 knots, becoming
northeast around 20 knots late this evening, then becoming north
20 to 25 knots with gusts up to 35 knots, becoming northeast
around 30 knots late. seas 3 to 4 feet, building to 4 to 6 feet,
occasionally to 8 feet. wave detail: south 2 feet at 6 seconds,
becoming northeast 4 feet at 4 seconds and south 2 feet at
5 seconds. a chance of showers and thunderstorms. 
.sunday...northeast winds around 30 knots with gusts up to
40 knots, diminishing to 20 to 25 knots with gusts up to 30 knots
in the afternoon. seas 7 to 10 feet, occasionally to 13 feet.
wave detail: northeast 8 feet at 7 seconds and south 1 foot at
6 seconds. a chance of showers with a slight chance of
thunderstorms in the morning, then a slight chance of showers in
the afternoon. 
.sunday night...east winds 20 to 25 knots. seas 6 to 8 feet,
occasionally to 10 feet. wave detail: northeast 8 feet at
7 seconds. a chance of showers after midnight. 
.monday...east winds 15 to 20 knots with gusts up to 25 knots.
seas 5 to 7 feet, occasionally to 9 feet. wave detail: east
6 feet at 7 seconds. a chance of showers. 
.monday night...east winds around 15 knots with gusts up to
20 knots. seas 4 to 6 feet, occasionally to 8 feet. wave detail:
northeast 3 feet at 6 seconds. a chance of showers. 
.tuesday...southeast winds around 15 knots with gusts up to
20 knots. seas 4 to 5 feet. wave detail: east 4 feet at
7 seconds. a chance of showers in the morning, then showers
likely with a chance of thunderstorms in the afternoon. 
.tuesday night...east winds 15 to 20 knots, becoming southeast
around 15 knots after midnight. seas around 4 feet. a chance of
thunderstorms. showers likely, mainly in the evening. 
.wednesday...southeast winds 10 to 15 knots. seas around 4 feet.
a chance of thunderstorms. showers likely, mainly in the morning.
.wednesday night...southeast winds 15 to 20 knots. seas around
4 feet. 
.thursday...southeast winds around 15 knots. seas 4 to 5 feet. 
.thursday night...southeast winds 15 to 20 knots. seas 4 to
5 feet. 

winds and seas higher in and near thunderstorms.

$$