fzus54 khgx 210504
cwfhgx
expires:202605211730;;381507

coastal waters forecast for texas
national weather service houston/galveston tx
1204 am cdt thu may 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.


gmz335-211730-
galveston bay-
1204 am cdt thu may 21 2026

.rest of tonight...east winds 10 to 15 knots. bay waters slightly
choppy. a chance of showers and thunderstorms late. 
.thursday...east winds 10 to 15 knots, becoming south in the 
afternoon. bay waters slightly choppy. showers and thunderstorms.
.thursday night...south winds 10 to 15 knots. bay waters slightly
choppy. a chance of showers and thunderstorms. 
.friday...south winds around 10 knots. bay waters smooth to
slightly choppy. showers and thunderstorms likely. 
.friday night...south winds around 10 knots. bay waters smooth to
slightly choppy. 
.saturday...southeast winds 10 to 15 knots. bay waters slightly
choppy. showers and thunderstorms likely. 
.saturday night...southeast winds around 10 knots. bay waters
smooth to slightly choppy. showers and thunderstorms. 
.sunday...south winds 10 to 15 knots, diminishing to around
10 knots in the afternoon. bay waters slightly choppy,
diminishing to smooth in the afternoon. showers and
thunderstorms. 
.sunday night...southeast winds 5 to 10 knots. bay waters smooth.
a chance of showers and thunderstorms in the evening, then
showers and thunderstorms likely after midnight. 
.monday...southeast winds 5 to 10 knots. bay waters smooth.
showers and thunderstorms likely, mainly in the morning. 
.monday night...southeast winds 5 to 10 knots. bay waters smooth.
a chance of showers and thunderstorms. 

winds and waves higher in and near thunderstorms.

$$

fzus54 khgx 210504
cwfhgx
expires:202605211730;;381509

coastal waters forecast for texas
national weather service houston/galveston tx
1204 am cdt thu may 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.


gmz350-355-211730-
coastal waters from freeport to matagorda ship channel tx out
20 nm-coastal waters from high island to freeport tx out 20 nm-
1204 am cdt thu may 21 2026

.rest of tonight...east winds 10 to 15 knots. seas 2 to 4 feet.
wave detail: southeast 3 feet at 7 seconds. a chance of showers 
and thunderstorms late. 
.thursday...southeast winds 10 to 15 knots. seas 2 to 3 feet.
wave detail: southeast 3 feet at 6 seconds. showers and
thunderstorms likely, mainly in the morning. 
.thursday night...south winds 10 to 15 knots. seas 2 to 3 feet.
wave detail: southeast 3 feet at 6 seconds. a chance of showers
and thunderstorms. 
.friday...south winds 10 to 15 knots. seas 2 to 4 feet. wave
detail: southeast 2 feet at 6 seconds. a chance of showers and
thunderstorms. 
.friday night...southeast winds around 10 knots. seas 2 to
3 feet. wave detail: southeast 2 feet at 6 seconds. 
.saturday...southeast winds 10 to 15 knots. seas 2 to 3 feet.
wave detail: southeast 2 feet at 5 seconds. a chance of showers
and thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon. 
.saturday night...southeast winds 10 to 15 knots. seas 2 to
4 feet. showers and thunderstorms. 
.sunday...south winds 10 to 15 knots. seas 3 to 4 feet. showers
and thunderstorms. 
.sunday night...southeast winds 5 to 10 knots. seas around
3 feet. a chance of showers and thunderstorms in the evening,
then showers and thunderstorms likely after midnight. 
.monday...southeast winds 5 to 10 knots. seas 3 to 4 feet.
showers and thunderstorms likely, mainly in the morning. 
.monday night...southeast winds 5 to 10 knots. seas 3 to 4 feet.
a chance of showers and thunderstorms after midnight. 

winds and seas higher in and near thunderstorms.

$$

fzus54 khgx 210504
cwfhgx
expires:202605211730;;381510

coastal waters forecast for texas
national weather service houston/galveston tx
1204 am cdt thu may 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.


gmz370-375-211730-
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-
1204 am cdt thu may 21 2026

.rest of tonight...east winds 10 to 15 knots. seas 3 to 5 feet. 
wave detail: southeast 4 feet at 7 seconds. a chance of showers 
and thunderstorms late. 
.thursday...southeast winds 10 to 15 knots. seas around 3 feet.
wave detail: southeast 3 feet at 6 seconds. showers and
thunderstorms likely. 
.thursday night...south winds 10 to 15 knots. seas around 3 feet.
wave detail: southeast 3 feet at 6 seconds. a chance of showers
and thunderstorms in the evening. 
.friday...south winds 10 to 15 knots. seas around 3 feet. wave
detail: southeast 2 feet at 6 seconds. a chance of showers and
thunderstorms. 
.friday night...southeast winds around 10 knots. seas around
3 feet. wave detail: southeast 3 feet at 6 seconds. 
.saturday...southeast winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: southeast 3 feet at 6 seconds. a chance of showers
and thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon. 
.saturday night...southeast winds 10 to 15 knots. seas 3 to
4 feet. showers and thunderstorms likely. 
.sunday...south winds 10 to 15 knots, diminishing to around
10 knots in the afternoon. seas 3 to 5 feet. showers and
thunderstorms. 
.sunday night...southeast winds 5 to 10 knots. seas 3 to 4 feet.
a chance of showers and thunderstorms in the evening, then
showers and thunderstorms likely after midnight. 
.monday...southeast winds 5 to 10 knots. seas 3 to 4 feet.
showers and thunderstorms likely, mainly in the morning. 
.monday night...southeast winds 5 to 10 knots. seas 3 to 4 feet.
a chance of showers and thunderstorms after midnight. 

winds and seas higher in and near thunderstorms.

$$