fzus54 khgx 182021
cwfhgx
expires:202605190915;;786413

coastal waters forecast for texas
national weather service houston/galveston tx
321 pm cdt mon may 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.


gmz335-190915-
galveston bay-
321 pm cdt mon may 18 2026

...small craft advisory in effect through tuesday morning...

.this afternoon...southeast winds around 20 knots with gusts up
to 25 knots. bay waters choppy. a slight chance of showers and
thunderstorms. 
.tonight...southeast winds 15 to 20 knots with gusts up to
25 knots. bay waters choppy. a slight chance of showers and
thunderstorms in the evening. 
.tuesday...southeast winds 15 to 20 knots. bay waters choppy. 
.tuesday night...southeast winds 10 to 15 knots. bay waters
slightly choppy. a chance of showers and thunderstorms. 
.wednesday...southeast winds 10 to 15 knots. bay waters slightly
choppy. a chance of showers and thunderstorms. 
.wednesday night...southeast winds 10 to 15 knots, diminishing to
around 10 knots after midnight. bay waters slightly choppy,
diminishing to smooth after midnight. 
.thursday...southeast winds around 10 knots, becoming south 10 to
15 knots in the afternoon. bay waters smooth, increasing to
slightly choppy in the afternoon. a chance of thunderstorms.
showers likely. 
.thursday night...south winds 10 to 15 knots. bay waters slightly
choppy. a chance of thunderstorms. a chance of showers in the
evening, then showers likely after midnight. 
.friday...south winds 10 to 15 knots. bay waters slightly choppy.
showers with thunderstorms likely. 
.friday night...south winds 10 to 15 knots. bay waters slightly
choppy. a chance of thunderstorms. a chance of showers in the
evening, then showers likely after midnight. 

winds and waves higher in and near thunderstorms.

$$

fzus54 khgx 182021
cwfhgx
expires:202605190915;;786415

coastal waters forecast for texas
national weather service houston/galveston tx
321 pm cdt mon may 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.


gmz350-355-190915-
coastal waters from freeport to matagorda ship channel tx out
20 nm-coastal waters from high island to freeport tx out 20 nm-
321 pm cdt mon may 18 2026

...small craft advisory in effect through tuesday morning...

.this afternoon...southeast winds around 20 knots with gusts up
to 30 knots. seas 5 to 7 feet, occasionally to 9 feet. wave
detail: southeast 6 feet at 7 seconds. a slight chance of showers
and thunderstorms. 
.tonight...southeast winds around 20 knots with gusts up to
25 knots. seas 5 to 7 feet, occasionally to 9 feet. wave detail:
southeast 6 feet at 7 seconds. 
.tuesday...southeast winds 15 to 20 knots, diminishing to around
15 knots in the afternoon. seas 5 to 7 feet, occasionally to
9 feet. wave detail: southeast 6 feet at 8 seconds. 
.tuesday night...southeast winds 10 to 15 knots. seas 3 to
5 feet. wave detail: southeast 5 feet at 8 seconds. a chance of
thunderstorms. a chance of showers. 
.wednesday...southeast winds 10 to 15 knots. seas 3 to 5 feet.
wave detail: southeast 4 feet at 8 seconds. a chance of showers
and thunderstorms in the morning. 
.wednesday night...southeast winds around 10 knots. seas 2 to
4 feet. wave detail: southeast 4 feet at 7 seconds. 
.thursday...southeast winds 10 to 15 knots. seas 2 to 4 feet. a
chance of thunderstorms. a chance of showers in the morning, then
showers likely in the afternoon. 
.thursday night...south winds 10 to 15 knots. seas 2 to 4 feet. a
chance of showers. a chance of thunderstorms after midnight. 
.friday...south winds 10 to 15 knots. seas 2 to 4 feet. a chance
of thunderstorms. showers likely. 
.friday night...southeast winds 10 to 15 knots. seas 2 to 4 feet.
a chance of showers and thunderstorms. 

winds and seas higher in and near thunderstorms.

$$

fzus54 khgx 182021
cwfhgx
expires:202605190915;;786416

coastal waters forecast for texas
national weather service houston/galveston tx
321 pm cdt mon may 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.


gmz370-375-190915-
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-
321 pm cdt mon may 18 2026

...small craft advisory in effect through tuesday morning...

.this afternoon...southeast winds around 20 knots with gusts up
to 30 knots. seas 7 to 8 feet, occasionally to 10 feet. wave
detail: southeast 7 feet at 7 seconds. 
.tonight...southeast winds around 20 knots with gusts up to
30 knots. seas 6 to 8 feet, occasionally to 10 feet. wave detail:
southeast 6 feet at 7 seconds. 
.tuesday...southeast winds 15 to 20 knots, diminishing to around
15 knots in the afternoon. seas 5 to 7 feet, occasionally to
9 feet. wave detail: southeast 6 feet at 8 seconds. 
.tuesday night...southeast winds 10 to 15 knots with gusts up to
20 knots. seas 5 to 6 feet, occasionally to 8 feet. wave detail:
southeast 5 feet at 7 seconds. a chance of showers and
thunderstorms after midnight. 
.wednesday...southeast winds 10 to 15 knots. seas 4 to 6 feet,
occasionally to 8 feet. wave detail: southeast 5 feet at
8 seconds. 
.wednesday night...southeast winds around 10 knots. seas around
4 feet. wave detail: southeast 4 feet at 7 seconds. 
.thursday...southeast winds around 10 knots. seas 3 to 4 feet. a
chance of showers and thunderstorms. 
.thursday night...south winds 10 to 15 knots. seas 3 to 4 feet. a
chance of showers. a chance of thunderstorms after midnight. 
.friday...south winds 10 to 15 knots. seas 3 to 4 feet. showers
likely with a chance of thunderstorms. 
.friday night...southeast winds 10 to 15 knots. seas 3 to 4 feet.
a chance of showers. 

winds and seas higher in and near thunderstorms.

$$