(1/3)
Latest Coastal Waters Forecast by KHGX
Issued 4/21/2026 12:00 AM US/Central.
Valid through 4/21/2026 1:00 PM US/Central.
fzus54 khgx 210500
cwfhgx
expires:202604211800;;725310
coastal waters forecast for texas
national weather service houston/galveston tx
1200 am 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.
gmz335-211800-
galveston bay-
1200 am cdt tue apr 21 2026
...small craft should exercise caution in effect until 1 am cdt
early this morning...
.today...east winds 10 to 15 knots. bay waters slightly choppy. a
chance of thunderstorms.
.tonight...southeast winds 10 to 15 knots with gusts up to
20 knots. bay waters slightly choppy. a chance of showers and
thunderstorms.
.wednesday...southeast winds 10 to 15 knots. bay waters slightly
choppy. showers with a chance of thunderstorms.
.wednesday night...southeast winds 10 to 15 knots with gusts up
to 20 knots. bay waters slightly choppy.
.thursday...southeast winds 10 to 15 knots. bay waters slightly
choppy. a chance of showers in the morning.
.thursday night...south winds 15 to 20 knots. bay waters 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.
winds and waves higher in and near thunderstorms.
$$
(2/3)
Latest Coastal Waters Forecast by KHGX
Issued 4/21/2026 12:00 AM US/Central.
Valid through 4/21/2026 1:00 PM US/Central.
fzus54 khgx 210500
cwfhgx
expires:202604211800;;725312
coastal waters forecast for texas
national weather service houston/galveston tx
1200 am 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.
gmz350-355-211800-
coastal waters from freeport to matagorda ship channel tx out
20 nm-coastal waters from high island to freeport tx out 20 nm-
1200 am cdt tue apr 21 2026
...small craft should exercise caution in effect through this
evening...
.today...southeast winds 15 to 20 knots. seas around 4 feet. wave
detail: east 4 feet at 6 seconds. a chance of showers. a slight
chance of thunderstorms this morning, then a chance of
thunderstorms this afternoon.
.tonight...southeast winds 10 to 15 knots with gusts up to
20 knots. seas 3 to 4 feet. wave detail: southeast 4 feet at
6 seconds. a chance of showers and thunderstorms, mainly in the
evening.
.wednesday...southeast winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: southeast 3 feet at 6 seconds. showers likely with a
chance of thunderstorms.
.wednesday 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.
.thursday...southeast winds 10 to 15 knots. seas 3 to 4 feet.
wave detail: southeast 3 feet at 7 seconds.
.thursday night...southeast winds around 15 knots with gusts up
to 20 knots. seas 3 to 5 feet. wave detail: southeast 4 feet at
7 seconds.
.friday...south winds 10 to 15 knots. seas 3 to 5 feet.
.friday night...south winds 10 to 15 knots. seas 3 to 4 feet.
.saturday...southeast winds 10 to 15 knots. seas 2 to 4 feet.
.saturday night...southeast winds 10 to 15 knots. seas 2 to
3 feet in the evening.
winds and seas higher in and near thunderstorms.
$$
(3/3)
Latest Coastal Waters Forecast by KHGX
Issued 4/21/2026 12:00 AM US/Central.
Valid through 4/21/2026 1:00 PM US/Central.
fzus54 khgx 210500
cwfhgx
expires:202604211800;;725313
coastal waters forecast for texas
national weather service houston/galveston tx
1200 am 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.
gmz370-375-211800-
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-
1200 am cdt tue apr 21 2026
...small craft should exercise caution in effect through this
evening...
.today...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. a slight chance of thunderstorms
until late afternoon, then a chance of thunderstorms late.
.tonight...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 chance of showers. a slight chance of thunderstorms
in the evening, then a chance of thunderstorms after midnight.
.wednesday...southeast winds 10 to 15 knots. seas 4 to 5 feet.
wave detail: east 4 feet at 7 seconds. showers likely with a
chance of thunderstorms.
.wednesday night...southeast winds 10 to 15 knots with gusts up
to 20 knots. seas around 4 feet. wave detail: east 4 feet at
7 seconds.
.thursday...southeast winds 10 to 15 knots. seas 4 to 5 feet.
wave detail: southeast 4 feet at 7 seconds. a chance of showers
in the morning.
.thursday night...southeast winds 10 to 15 knots with gusts up to
20 knots. seas 4 to 5 feet. wave detail: southeast 5 feet at
8 seconds.
.friday...south winds 10 to 15 knots. seas 4 to 5 feet.
.friday night...southeast winds 10 to 15 knots. seas 3 to 4 feet.
.saturday...southeast winds 10 to 15 knots. seas 3 to 4 feet.
.saturday night...southeast winds 10 to 15 knots. seas around
3 feet in the evening.
winds and seas higher in and near thunderstorms.
$$
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