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(1/4)
Latest Coastal Waters Forecast by KHGX
Issued 4/21/2026 11:57 PM US/Central.
Valid through 4/22/2026 12:15 PM US/Central.
fzus54 khgx 220457
cwfhgx
expires:202604221715;;778870
coastal waters forecast for texas
national weather service houston/galveston tx
1157 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.
gmz335-221715-
galveston bay-
1157 pm cdt tue apr 21 2026
...small craft should exercise caution in effect until 1 am cdt
wednesday...
.overnight...southeast winds 10 to 15 knots with gusts up to
20 knots. bay waters slightly choppy. a slight chance of showers.
a chance of showers with a slight chance of thunderstorms late.
.wednesday...southeast winds 10 to 15 knots. bay waters slightly
choppy. showers likely. a chance of thunderstorms in the morning,
then 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.
.thursday night...southeast 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 around 10 knots, increasing to 10 to
15 knots in the afternoon. bay waters smooth, increasing to
slightly choppy in the afternoon.
.saturday night...south winds 10 to 15 knots. bay waters slightly
choppy.
.sunday...southeast 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.
$$
(2/4)
Latest Coastal Waters Forecast by KHGX
Issued 4/21/2026 11:57 PM US/Central.
Valid through 4/22/2026 12:15 PM US/Central.
fzus54 khgx 220457
cwfhgx
expires:202604221715;;778873
coastal waters forecast for texas
national weather service houston/galveston tx
1157 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.
gmz355-221715-
coastal waters from high island to freeport tx out 20 nm-
1157 pm cdt tue apr 21 2026
...small craft should exercise caution in effect until 7 am cdt
wednesday...
.overnight...southeast winds 15 to 20 knots, diminishing to
around 15 knots late. seas 3 to 4 feet. a slight chance of
showers. a chance of showers with a slight chance of
thunderstorms late.
.wednesday...southeast winds 10 to 15 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 with gusts up
to 20 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 around 3 feet.
.saturday...south winds around 10 knots. seas 2 to 3 feet.
.saturday night...southeast winds around 10 knots. seas 2 to
3 feet.
.sunday...southeast winds 10 to 15 knots. seas 2 to 3 feet.
.sunday night...south winds 10 to 15 knots. seas 2 to 4 feet.
winds and seas higher in and near thunderstorms.
$$
(3/4)
Latest Coastal Waters Forecast by KHGX
Issued 4/21/2026 11:57 PM US/Central.
Valid through 4/22/2026 12:15 PM US/Central.
fzus54 khgx 220457
cwfhgx
expires:202604221715;;778874
coastal waters forecast for texas
national weather service houston/galveston tx
1157 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.
gmz370-375-221715-
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-
1157 pm cdt tue apr 21 2026
.overnight...southeast winds 10 to 15 knots with gusts up to
20 knots. seas 4 to 5 feet. wave detail: east 4 feet at
7 seconds. a slight chance of showers. a chance of showers with a
slight chance of thunderstorms late.
.wednesday...southeast winds around 10 knots. seas 4 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 10 to 15 knots. seas 4 to 5 feet. wave
detail: southeast 4 feet at 8 seconds and south 2 feet at
5 seconds.
.friday night...southeast winds 10 to 15 knots. seas 3 to 4 feet.
.saturday...south winds around 10 knots. seas 3 to 4 feet.
.saturday night...southeast winds around 10 knots. seas around
3 feet.
.sunday...southeast winds around 10 knots. seas around 3 feet.
.sunday night...southeast winds 10 to 15 knots. seas 3 to 4 feet.
winds and seas higher in and near thunderstorms.
$$
(4/4)
Latest Coastal Waters Forecast by KHGX
Issued 4/21/2026 2:47 PM US/Central.
Valid through 4/22/2026 3:30 AM US/Central.
fzus54 khgx 211947
cwfhgx
expires:202604220830;;761496
coastal waters forecast for texas
national weather service houston/galveston tx
247 pm cdt tue apr 21 2026
upper texas coastal waters from high island to the matagorda ship
channel out 60 nautical miles including galveston and matagorda
bays.
seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the
average highest 10 percent of the waves.
gmz350-355-220830-
coastal waters from freeport to matagorda ship channel tx out
20 nm-coastal waters from high island to freeport tx out 20 nm-
247 pm cdt tue apr 21 2026
...small craft should exercise caution in effect until 7 pm cdt
this evening...
.this afternoon...southeast winds 15 to 20 knots. seas around
4 feet. wave detail: east 4 feet at 6 seconds. a chance of
showers and thunderstorms.
.tonight...southeast winds 15 to 20 knots, diminishing to around
15 knots after midnight. seas 3 to 4 feet. wave detail: southeast
4 feet at 6 seconds. a chance of showers and thunderstorms.
.wednesday...southeast winds around 10 knots. seas 3 to 4 feet.
wave detail: southeast 3 feet at 6 seconds. a chance of showers
and thunderstorms.
.wednesday night...southeast winds 10 to 15 knots. seas 3 to
4 feet. wave detail: southeast 4 feet at 7 seconds.
.thursday...southeast winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: southeast 3 feet at 7 seconds.
.thursday night...southeast winds 10 to 15 knots with gusts up to
20 knots. seas 3 to 4 feet. wave detail: southeast 4 feet at
7 seconds.
.friday...south winds 10 to 15 knots. seas 3 to 4 feet.
.friday night...south winds 10 to 15 knots. seas around 3 feet.
.saturday...south winds 10 to 15 knots. seas 2 to 3 feet.
.saturday night...southeast winds 10 to 15 knots. seas 2 to
3 feet.
winds and seas higher in and near thunderstorms.
$$
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