(1/3)
Latest Coastal Waters Forecast by KHGX
Issued 5/20/2026 2:41 AM US/Central.
Valid through 5/20/2026 3:15 PM US/Central.
fzus54 khgx 200741
cwfhgx
expires:202605202015;;336032
coastal waters forecast for texas
national weather service houston/galveston tx
241 am cdt wed may 20 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.
gmz335-202015-
galveston bay-
241 am cdt wed may 20 2026
...small craft advisory in effect until 6 am cdt early this
morning...
.today...southeast winds 10 to 15 knots with gusts up to
30 knots, diminishing to around 10 knots with gusts up to
20 knots this afternoon. bay waters slightly choppy, diminishing
to smooth this afternoon. showers and thunderstorms early this
morning, then a chance of showers and thunderstorms late this
morning and afternoon.
.tonight...southeast winds 5 to 10 knots. bay waters smooth. a
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms 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. showers and thunderstorms
likely.
.thursday night...south winds 10 to 15 knots. bay waters slightly
choppy. a chance of showers and thunderstorms.
.friday...south winds 10 to 15 knots. bay waters slightly choppy.
showers and thunderstorms.
.friday night...southeast winds 10 to 15 knots. bay waters
slightly choppy. a chance of showers and thunderstorms in the
evening, then showers likely after midnight.
.saturday...south winds 10 to 15 knots. bay waters slightly
choppy. showers likely with a chance of thunderstorms in the
morning, then showers with thunderstorms likely in the afternoon.
.saturday night...southeast winds 10 to 15 knots. bay waters
slightly choppy. a chance of thunderstorms. showers.
.sunday...south winds 10 to 15 knots. bay waters slightly choppy.
a chance of thunderstorms. showers.
.sunday night...southeast winds 5 to 10 knots. bay waters smooth.
a chance of thunderstorms. a chance of showers in the evening,
then showers likely after midnight.
winds and waves higher in and near thunderstorms.
$$
(2/3)
Latest Coastal Waters Forecast by KHGX
Issued 5/20/2026 2:41 AM US/Central.
Valid through 5/20/2026 3:15 PM US/Central.
fzus54 khgx 200741
cwfhgx
expires:202605202015;;336034
coastal waters forecast for texas
national weather service houston/galveston tx
241 am cdt wed may 20 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.
gmz350-355-202015-
coastal waters from freeport to matagorda ship channel tx out
20 nm-coastal waters from high island to freeport tx out 20 nm-
241 am cdt wed may 20 2026
...small craft advisory in effect until 11 am cdt this morning...
.today...east winds 20 to 25 knots with gusts up to 40 knots,
diminishing to around 10 knots. seas 5 to 7 feet, occasionally to
9 feet, subsiding to 3 to 5 feet this afternoon. wave detail:
southeast 6 feet at 7 seconds, becoming southeast 5 feet at
7 seconds. showers and thunderstorms early this morning, then a
chance of showers and thunderstorms late this morning and early
afternoon.
.tonight...southeast winds 10 to 15 knots. seas 2 to 4 feet. wave
detail: southeast 4 feet at 7 seconds. a slight chance of showers
and thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.thursday...southeast winds 10 to 15 knots. seas 2 to 3 feet.
wave detail: southeast 3 feet at 7 seconds. showers and
thunderstorms likely.
.thursday night...south winds 10 to 15 knots. seas 2 to 3 feet.
wave detail: southeast 3 feet at 6 seconds. showers and
thunderstorms likely after midnight.
.friday...south winds 10 to 15 knots. seas 2 to 3 feet. wave
detail: southeast 2 feet at 6 seconds. showers and thunderstorms
likely, mainly in the morning.
.friday night...southeast winds 10 to 15 knots. seas 2 to 3 feet.
wave detail: southeast 2 feet at 6 seconds. a chance of
thunderstorms in the evening. a chance of showers.
.saturday...southeast winds 10 to 15 knots. seas 2 to 3 feet.
showers likely with a chance of thunderstorms in the morning,
then showers with thunderstorms likely in the afternoon.
.saturday night...southeast winds 10 to 15 knots. seas 2 to
3 feet. a chance of thunderstorms. showers.
.sunday...south winds 10 to 15 knots, diminishing to around
10 knots in the afternoon. seas 3 to 4 feet. showers in the
morning, then showers likely with a chance of thunderstorms in
the afternoon.
.sunday night...southeast winds 5 to 10 knots. seas around
3 feet. a chance of thunderstorms. a chance of showers in the
evening, then showers likely after midnight.
winds and seas higher in and near thunderstorms.
$$
(3/3)
Latest Coastal Waters Forecast by KHGX
Issued 5/20/2026 2:41 AM US/Central.
Valid through 5/20/2026 3:15 PM US/Central.
fzus54 khgx 200741
cwfhgx
expires:202605202015;;336035
coastal waters forecast for texas
national weather service houston/galveston tx
241 am cdt wed may 20 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.
gmz370-375-202015-
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-
241 am cdt wed may 20 2026
...small craft advisory in effect until 11 am cdt this morning...
.today...east winds 20 to 25 knots with gusts up to 35 knots,
diminishing to around 10 knots. seas 6 to 7 feet, occasionally to
9 feet, subsiding to 3 to 5 feet this afternoon. wave detail:
southeast 6 feet at 8 seconds, becoming southeast 5 feet at
7 seconds. a chance of showers and thunderstorms until late
afternoon.
.tonight...southeast winds around 10 knots. seas 3 to 4 feet.
wave detail: southeast 4 feet at 7 seconds. a slight chance of
showers and thunderstorms in the evening, then a chance of
showers and thunderstorms after midnight.
.thursday...southeast winds 10 to 15 knots. seas around 3 feet.
wave detail: southeast 3 feet at 7 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 after midnight.
.friday...south winds 10 to 15 knots. seas around 3 feet. wave
detail: southeast 2 feet at 6 seconds. showers and thunderstorms
likely, mainly in the morning.
.friday night...southeast winds 10 to 15 knots. seas around
3 feet. wave detail: southeast 3 feet at 6 seconds. a chance of
thunderstorms in the evening. a chance of showers.
.saturday...southeast winds 10 to 15 knots. seas 3 to 4 feet.
showers likely with a chance of thunderstorms.
.saturday night...southeast winds 10 to 15 knots. seas 3 to
4 feet. a chance of thunderstorms. showers.
.sunday...south winds 10 to 15 knots. seas 3 to 5 feet. a chance
of thunderstorms. showers.
.sunday night...southeast winds 5 to 10 knots. seas 3 to 4 feet.
a chance of thunderstorms. a chance of showers in the evening,
then showers likely after midnight.
winds and seas higher in and near thunderstorms.
$$
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