*** EXPERIMENTAL - NOT FOR OPERATIONAL USE ***
Below you can compare the current operational version of
the Coastal Waters Forecast with the proposed version,
which includes enhanced wave detail over the ocean zones.
The wave detail version is displayed. To view the operational
version, hover the cursor over the forecast text below.
More information on this project can be found at this NWS page,
as well as the product description document. We are
seeking feedback on this over the next several months,
so please send us your input via this survey.
Please note this is an experimental product that is not
supported 24/7. Refer to the operational Coastal Waters Forecast
for all matters related to the protection of life and property.
GMZ200-280900-
318 PM CDT Mon Mar 27 2023
.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
Patchy sea fog is expected to linger along the coast through this
evening with visibilities generally ranging from 2-4 miles.
Another round of patchy fog is possible late tonight ahead of an
approaching cold front. A cold front will move across the coastal
waters Tuesday and bring a chance for showers and thunderstorms.
Northeast winds will increase to around 20 to 25 knots behind the
front. A few gusts to gale will be possible across the offshore
waters. Winds will begin to relax through the morning hours
Wednesday. Moderate northeast winds will continue over the Gulf
waters Wednesday along with a chance of showers. The flow will
become easterly Wednesday night and southeasterly by Thursday.
Moderate to at times strong onshore flow is expected through the
remainder of the week.
GMZ236-237-280900-
Copano, Aransas, and Redfish Bays-
San Antonio, Mesquite, and Espiritu Santo Bays-
318 PM CDT Mon Mar 27 2023
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
.TONIGHT...East winds 5 to 10 knots, becoming northeast after
midnight. Bay and inland waters smooth to slightly choppy. A
slight chance of showers and thunderstorms this evening. Patchy
fog this evening, then areas of fog after midnight.
.TUESDAY...North winds 15 to 20 knots with gusts up to 25 knots.
Bay and inland waters choppy to occasionally rough. Patchy fog in
the morning. A slight chance of showers and thunderstorms in the
afternoon.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots. Bay and inland waters slightly choppy to occasionally
choppy. A chance of showers with a slight chance of
thunderstorms.
.WEDNESDAY...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Bay and inland waters choppy to
occasionally rough. A chance of showers with a slight chance of
thunderstorms in the morning, then a slight chance of showers in
the afternoon.
.WEDNESDAY NIGHT...East winds 15 to 20 knots with gusts up to
25 knots, diminishing to around 10 knots after midnight. Bay and
inland waters choppy.
.THURSDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Bay and inland waters choppy.
.THURSDAY NIGHT...Southeast winds around 15 knots with gusts up
to 25 knots. Bay and inland waters slightly choppy to choppy.
.FRIDAY...South winds 15 to 20 knots. Bay and inland waters
choppy.
.FRIDAY NIGHT...South winds around 15 knots, diminishing to
around 10 knots after midnight. Bay and inland waters slightly
choppy to occasionally choppy.
.SATURDAY...East winds around 10 knots. Bay and inland waters
slightly choppy.
.SATURDAY NIGHT...East winds around 10 knots. Bay and inland
waters slightly choppy.
Winds and waves higher in and near thunderstorms.GMZ236-237-280900-
Copano, Aransas, and Redfish Bays-
San Antonio, Mesquite, and Espiritu Santo Bays-
318 PM CDT Mon Mar 27 2023
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
.TONIGHT...East winds 5 to 10 knots, becoming northeast after
midnight. Bay and inland waters smooth to slightly choppy. A
slight chance of showers and thunderstorms this evening. Patchy
fog this evening, then areas of fog after midnight.
.TUESDAY...North winds around 20 knots with gusts up to 25 knots.
Bay and inland waters choppy to occasionally rough. Patchy fog in
the morning. A slight chance of showers and thunderstorms in the
afternoon.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots. Bay and inland waters slightly choppy to occasionally
choppy. A chance of showers with a slight chance of
thunderstorms.
.WEDNESDAY...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Bay and inland waters choppy to
occasionally rough. A chance of showers with a slight chance of
thunderstorms in the morning, then a slight chance of showers in
the afternoon.
.WEDNESDAY NIGHT...East winds 15 to 20 knots with gusts up to
25 knots, diminishing to around 10 knots after midnight. Bay and
inland waters choppy.
.THURSDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Bay and inland waters choppy.
.THURSDAY NIGHT...Southeast winds around 15 knots with gusts up
to 25 knots. Bay and inland waters slightly choppy to choppy.
.FRIDAY...South winds 15 to 20 knots. Bay and inland waters
choppy.
.FRIDAY NIGHT...South winds around 15 knots, diminishing to
around 10 knots after midnight. Bay and inland waters slightly
choppy to occasionally choppy.
.SATURDAY...East winds around 10 knots. Bay and inland waters
slightly choppy.
.SATURDAY NIGHT...East winds around 10 knots. Bay and inland
waters slightly choppy.
Winds and waves higher in and near thunderstorms.
GMZ231-232-280900-
Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
318 PM CDT Mon Mar 27 2023
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
.TONIGHT...East winds 10 to 15 knots, becoming northeast 5 to
10 knots after midnight. Bay and inland waters slightly choppy to
occasionally choppy. A slight chance of showers and thunderstorms
this evening. Areas of fog.
.TUESDAY...North winds 15 to 20 knots, becoming northeast 20 to
25 knots in the afternoon. Bay and inland waters choppy to rough.
Patchy fog in the morning. A chance of showers and thunderstorms
in the afternoon.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Bay and inland waters choppy to
occasionally rough. A chance of showers with a slight chance of
thunderstorms.
.WEDNESDAY...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Bay and inland waters choppy to
occasionally rough. A slight chance of thunderstorms in the
morning. A chance of showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Bay and inland waters choppy.
.THURSDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots, increasing to 15 to 20 knots with gusts up to 30 knots
in the afternoon. Bay and inland waters choppy.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Bay and inland waters choppy.
.FRIDAY...South winds 15 to 20 knots. Bay and inland waters
choppy.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland
waters slightly choppy to occasionally choppy.
.SATURDAY...East winds 10 to 15 knots. Bay and inland waters
slightly choppy to occasionally choppy.
.SATURDAY NIGHT...East winds around 10 knots. Bay and inland
waters slightly choppy.
Winds and waves higher in and near thunderstorms.GMZ231-232-280900-
Baffin Bay and Upper Laguna Madre-Corpus Christi and Nueces Bays-
318 PM CDT Mon Mar 27 2023
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
.TONIGHT...East winds 10 to 15 knots, becoming northeast 5 to
10 knots after midnight. Bay and inland waters slightly choppy to
occasionally choppy. A slight chance of showers and thunderstorms
this evening. Areas of fog.
.TUESDAY...North winds around 20 knots, becoming northeast 20 to
25 knots in the afternoon. Bay and inland waters choppy to rough.
Patchy fog in the morning. A chance of showers and thunderstorms
in the afternoon.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Bay and inland waters choppy to
occasionally rough. A chance of showers with a slight chance of
thunderstorms.
.WEDNESDAY...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Bay and inland waters choppy to
occasionally rough. A slight chance of thunderstorms in the
morning. A chance of showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Bay and inland waters choppy.
.THURSDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots, increasing to 15 to 20 knots with gusts up to 30 knots
in the afternoon. Bay and inland waters choppy.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Bay and inland waters choppy.
.FRIDAY...South winds 15 to 20 knots. Bay and inland waters
choppy.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland
waters slightly choppy to occasionally choppy.
.SATURDAY...East winds 10 to 15 knots. Bay and inland waters
slightly choppy to occasionally choppy.
.SATURDAY NIGHT...East winds around 10 knots. Bay and inland
waters slightly choppy.
Winds and waves higher in and near thunderstorms.
GMZ250-255-280900-
Coastal waters from Baffin Bay to Port Aransas out 20 NM-
Coastal waters from Port Aransas to Matagorda Ship Channel out
20 NM-
318 PM CDT Mon Mar 27 2023
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
.TONIGHT...East winds 10 to 15 knots, becoming northeast 5 to
10 knots after midnight. Waves 2 to 4 feet, occasionally seas
around 5 feet. Wave Detail: east 4 feet at 8 seconds. A slight
chance of showers and thunderstorms this evening. Areas of fog.
.TUESDAY...North winds 15 to 20 knots, becoming northeast 20 to
25 knots in the afternoon. Waves 4 to 6 feet, occasionally seas
up to 8 feet. Wave Detail: east 4 feet at 8 seconds and northeast
5 feet at 5 seconds. Patchy fog in the morning. A chance of
showers with a slight chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to
25 knots. Waves 4 to 6 feet, occasionally seas up to 8 feet. Wave
Detail: east 5 feet at 7 seconds. A chance of showers with a
slight chance of thunderstorms.
.WEDNESDAY...Northeast winds 15 to 20 knots with gusts up to
25 knots. Waves 4 to 6 feet, occasionally seas up to 8 feet. Wave
Detail: east 5 feet at 7 seconds. A slight chance of
thunderstorms in the morning. A chance of showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Waves 3 to 5 feet, occasionally
seas up to 6 feet. Wave Detail: east 5 feet at 7 seconds.
.THURSDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Waves 3 to 5 feet, occasionally seas
up to 6 feet. Wave Detail: southeast 5 feet at 7 seconds.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Waves 4 to 5 feet, occasionally seas up to 6 feet.
.FRIDAY...South winds 15 to 20 knots. Waves 4 to 6 feet,
occasionally seas up to 8 feet.
.FRIDAY NIGHT...South winds 10 to 15 knots. Waves 3 to 5 feet,
occasionally seas up to 6 feet.
.SATURDAY...East winds around 10 knots. Waves 3 to 4 feet,
occasionally seas around 5 feet.
.SATURDAY NIGHT...East winds around 10 knots. Waves 3 to 4 feet,
occasionally seas around 5 feet.
Winds and seas higher in and near thunderstorms.GMZ250-255-280900-
Coastal waters from Baffin Bay to Port Aransas out 20 NM-
Coastal waters from Port Aransas to Matagorda Ship Channel out
20 NM-
318 PM CDT Mon Mar 27 2023
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
.TONIGHT...East winds 10 to 15 knots, becoming northeast 5 to
10 knots after midnight. Waves 2 to 4 feet, occasionally seas
around 5 feet. A slight chance of showers and thunderstorms this
evening. Areas of fog.
.TUESDAY...North winds around 20 knots, becoming northeast 20 to
25 knots in the afternoon. Waves 4 to 6 feet, occasionally seas up
to 8 feet. Patchy fog in the morning. A chance of showers with a
slight chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to
25 knots. Waves 4 to 6 feet, occasionally seas up to 8 feet. A
chance of showers with a slight chance of thunderstorms.
.WEDNESDAY...Northeast winds 15 to 20 knots with gusts up to
25 knots. Waves 4 to 6 feet, occasionally seas up to 8 feet. A
slight chance of thunderstorms in the morning. A chance of
showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Waves 3 to 5 feet, occasionally
seas up to 6 feet.
.THURSDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Waves 3 to 5 feet, occasionally seas
up to 6 feet.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Waves 4 to 5 feet, occasionally seas up to 6 feet.
.FRIDAY...South winds 15 to 20 knots. Waves 4 to 6 feet,
occasionally seas up to 8 feet.
.FRIDAY NIGHT...South winds 10 to 15 knots. Waves 3 to 5 feet,
occasionally seas up to 6 feet.
.SATURDAY...East winds around 10 knots. Waves 3 to 4 feet,
occasionally seas around 5 feet.
.SATURDAY NIGHT...East winds around 10 knots. Waves 3 to 4 feet,
occasionally seas around 5 feet.
Winds and seas higher in and near thunderstorms.
GMZ270-275-280900-
Waters from Baffin Bay to Port Aransas from 20 to 60 NM-
Waters from Port Aransas to Matagorda Ship Channel from 20 to
60 NM-
318 PM CDT Mon Mar 27 2023
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
LATE TUESDAY NIGHT...
.TONIGHT...East winds 5 to 10 knots. Waves 3 to 4 feet,
occasionally seas around 5 feet. Wave Detail: southeast 4 feet at
8 seconds. Areas of fog.
.TUESDAY...North winds 15 to 20 knots, becoming northeast 20 to
25 knots in the afternoon. Waves 3 to 5 feet, occasionally seas
up to 6 feet, building to 6 to 8 feet, occasionally seas up to
10 feet in the afternoon. Wave Detail: southeast 3 feet at
8 seconds and north 4 feet at 4 seconds, becoming east 6 feet at
8 seconds and north 6 feet at 6 seconds. Patchy fog. A chance of
showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...Northeast winds 20 to 25 knots with gusts up to
35 knots. Waves 6 to 9 feet, occasionally seas up to 11 feet.
Wave Detail: northeast 7 feet at 7 seconds. A chance of showers
with a slight chance of thunderstorms.
.WEDNESDAY...Northeast winds 15 to 20 knots with gusts up to
25 knots. Waves 5 to 6 feet, occasionally seas up to 8 feet. Wave
Detail: east 6 feet at 7 seconds. A slight chance of
thunderstorms in the morning. A chance of showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots with gusts up to
30 knots. Waves 4 to 6 feet, occasionally seas up to 8 feet. Wave
Detail: east 6 feet at 7 seconds.
.THURSDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Waves 4 to 5 feet, occasionally seas up to 6 feet. Wave
Detail: east 5 feet at 7 seconds.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Waves 5 to 6 feet, occasionally seas up to 8 feet.
.FRIDAY...South winds 15 to 20 knots. Waves 5 to 6 feet,
occasionally seas up to 8 feet.
.FRIDAY NIGHT...South winds 10 to 15 knots. Waves around 5 feet,
occasionally seas up to 6 feet.
.SATURDAY...Southeast winds around 10 knots, becoming east in the
afternoon. Waves 4 to 5 feet, occasionally seas up to 6 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots. Waves 3 to 4 feet,
occasionally seas around 5 feet.
Winds and seas higher in and near thunderstorms.GMZ270-275-280900-
Waters from Baffin Bay to Port Aransas from 20 to 60 NM-
Waters from Port Aransas to Matagorda Ship Channel from 20 to
60 NM-
318 PM CDT Mon Mar 27 2023
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
LATE TUESDAY NIGHT...
.TONIGHT...East winds 5 to 10 knots. Waves 3 to 4 feet,
occasionally seas around 5 feet. Areas of fog.
.TUESDAY...North winds around 20 knots, becoming northeast 20 to
25 knots in the afternoon. Waves 3 to 5 feet, occasionally seas up
to 6 feet, building to 6 to 8 feet, occasionally seas up to 10
feet in the afternoon. Patchy fog. A chance of showers and
thunderstorms in the afternoon.
.TUESDAY NIGHT...Northeast winds 20 to 25 knots with gusts up to
35 knots. Waves 6 to 9 feet, occasionally seas up to 11 feet. A
chance of showers with a slight chance of thunderstorms.
.WEDNESDAY...Northeast winds 15 to 20 knots with gusts up to
25 knots. Waves 5 to 6 feet, occasionally seas up to 8 feet. A
slight chance of thunderstorms in the morning. A chance of
showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots with gusts up to
30 knots. Waves 4 to 6 feet, occasionally seas up to 8 feet.
.THURSDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Waves 4 to 5 feet, occasionally seas up to 6 feet.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Waves 5 to 6 feet, occasionally seas up to 8 feet.
.FRIDAY...South winds 15 to 20 knots. Waves 5 to 6 feet,
occasionally seas up to 8 feet.
.FRIDAY NIGHT...South winds 10 to 15 knots. Waves around 5 feet,
occasionally seas up to 6 feet.
.SATURDAY...Southeast winds around 10 knots, becoming east in the
afternoon. Waves 4 to 5 feet, occasionally seas up to 6 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots. Waves 3 to 4 feet,
occasionally seas around 5 feet.
Winds and seas higher in and near thunderstorms.
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