Coastal Waters Forecast
Issued by NWS Corpus Christi, TX

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZUS54 KCRP 201527
CWFCRP

Coastal Waters Forecast
National Weather Service Corpus Christi TX
927 AM CST Mon Nov 20 2017

Middle Texas coastal waters from Baffin Bay to Matagorda ship channel
out to 60 nautical miles.

Seas are provided as a range of the average height of the highest 1/3
of the waves...along with occasional height of the average highest
10 percent of the waves.

GMZ200-210415-
927 AM CST Mon Nov 20 2017

.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
A weak to moderate onshore flow is expected today as the surface
ridge moves northeast. Isolated to scattered showers and
thunderstorms will be possible today as an upper level disturbance
moves across the area. A weak southerly flow is expected tonight
and Tuesday. A weak onshore flow is expected into Tuesday evening.
A moderate to strong offshore flow will develop late Tuesday
night into Wednesday as a cold front and associated surge of
surface high pressure moves across the coastal waters. Small Craft
Advisories will be possible late Tuesday night into Wednesday.
Additional isolated to scattered showers are anticipated Tuesday
night into Wednesday. Offshore flow will weaken on Thursday and
become onshore Friday.

$$

GMZ235-210415-
Bays and Waterways from Port Aransas to Port O`Connor-
927 AM CST Mon Nov 20 2017

.REST OF TODAY...Northeast wind 5 to 10 knots shifting southeast
in the afternoon. Bays smooth. A slight chance of showers and
thunderstorms late in the morning.
.TONIGHT...Southeast wind around 5 knots shifting south after
midnight. Bays smooth.
.TUESDAY...Southwest wind up to 5 knots becoming south in the
afternoon. Bays smooth.
.TUESDAY NIGHT...East wind 5 to 10 knots becoming north 10 to
15 knots after midnight. Bays slightly choppy to occasionally
choppy. A slight chance of showers.
.WEDNESDAY...North wind 15 to 20 knots. Bays choppy to
occasionally rough.
.WEDNESDAY NIGHT...North wind 15 to 20 knots decreasing to 10 to
15 knots after midnight. Bays choppy to occasionally rough.
.THURSDAY...North wind 5 to 10 knots. Bays smooth to slightly
choppy.
.THURSDAY NIGHT...Southwest wind around 5 knots. Bays smooth.
.FRIDAY...Southwest wind around 5 knots shifting south in the
afternoon. Bays smooth.
.FRIDAY NIGHT...South wind 5 to 10 knots. Bays smooth.

$$

GMZ230-210415-
Bays and Waterways from Baffin Bay to Port Aransas-
927 AM CST Mon Nov 20 2017

.REST OF TODAY...East wind 5 to 10 knots. Bays smooth. A slight
chance of showers and thunderstorms late in the morning.
.TONIGHT...Southeast wind 5 to 10 knots shifting southwest after
midnight. Bays smooth.
.TUESDAY...Southwest wind 5 to 10 knots shifting south in the
afternoon. Bays smooth.
.TUESDAY NIGHT...East wind 5 to 10 knots becoming north 10 to
15 knots after midnight. Bays slightly choppy to occasionally
choppy. A slight chance of showers.
.WEDNESDAY...North wind 15 to 20 knots. Bays choppy to
occasionally rough. A slight chance of showers.
.WEDNESDAY NIGHT...North wind 10 to 15 knots. Bays slightly
choppy to occasionally choppy.
.THURSDAY...North wind 5 to 10 knots. Bays smooth to slightly
choppy.
.THURSDAY NIGHT...Southeast wind around 5 knots shifting
southwest after midnight. Bays smooth.
.FRIDAY...Southwest wind around 5 knots shifting south in the
afternoon. Bays smooth.
.FRIDAY NIGHT...South wind around 10 knots. Bays slightly choppy.

$$

GMZ255-210415-
Coastal waters from Port Aransas to Matagorda Ship Channel out
20 NM-
927 AM CST Mon Nov 20 2017

.REST OF TODAY...East wind 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms late in the morning.
.TONIGHT...Southeast wind 5 to 10 knots shifting south after
midnight. Seas 2 to 3 feet. A slight chance of showers after
midnight.
.TUESDAY...Southwest wind 5 to 10 knots shifting south in the
afternoon. Seas 2 feet. A slight chance of showers in the
afternoon.
.TUESDAY NIGHT...East wind 5 to 10 knots becoming northeast 15 to
20 knots after midnight. Seas 2 to 3 feet. A chance of showers.
.WEDNESDAY...North wind 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. A slight chance of showers.
.WEDNESDAY NIGHT...North wind 15 to 20 knots decreasing to 10 to
15 knots after midnight. Seas 3 to 5 feet with occasional seas up
to 6 feet.
.THURSDAY...North wind 10 to 15 knots decreasing to 5 to 10 knots
in the afternoon. Seas 2 to 4 feet with occasional seas up to
5 feet.
.THURSDAY NIGHT...West wind around 5 knots shifting southwest
after midnight. Seas 2 to 3 feet.
.FRIDAY...West wind around 5 knots shifting southwest in the
afternoon. Seas 2 feet.
.FRIDAY NIGHT...South wind 10 to 15 knots. Seas 2 to 3 feet.

$$

GMZ250-210415-
Coastal waters from Baffin Bay to Port Aransas out 20 NM-
927 AM CST Mon Nov 20 2017

.REST OF TODAY...East wind around 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms late in the morning.
.TONIGHT...Southeast wind 5 to 10 knots shifting south after
midnight. Seas 2 to 3 feet. A slight chance of showers after
midnight.
.TUESDAY...Southwest wind around 5 knots shifting south in the
afternoon. Seas 2 feet.
.TUESDAY NIGHT...East wind 5 to 10 knots becoming north 15 to
20 knots after midnight. Seas 2 to 3 feet. A chance of showers.
.WEDNESDAY...North wind 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet. A slight chance of showers.
.WEDNESDAY NIGHT...North wind 15 to 20 knots decreasing to 10 to
15 knots after midnight. Seas 4 to 6 feet with occasional seas up
to 8 feet.
.THURSDAY...North wind 10 to 15 knots decreasing to 5 to 10 knots
in the afternoon. Seas 2 to 4 feet with occasional seas up to
5 feet.
.THURSDAY NIGHT...East wind around 5 knots shifting southwest
after midnight. Seas 2 to 3 feet.
.FRIDAY...Southwest wind around 5 knots shifting south in the
afternoon. Seas 2 feet.
.FRIDAY NIGHT...South wind 10 to 15 knots. Seas 2 to 3 feet.

$$

GMZ270-275-210415-
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-
927 AM CST Mon Nov 20 2017

.REST OF TODAY...East wind around 10 knots. Seas 3 to 4 feet with
occasional seas up to 5 feet. A chance of showers and
thunderstorms late in the morning, then a slight chance of
showers in the afternoon.
.TONIGHT...Southeast wind 5 to 10 knots shifting south after
midnight. Seas 2 to 3 feet. A slight chance of showers.
.TUESDAY...South wind 5 to 10 knots. Seas 2 to 3 feet. A slight
chance of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...East wind 5 to 10 knots becoming northeast 15 to
20 knots after midnight. Seas 2 to 3 feet building to 3 to 5 feet
with occasional seas up to 6 feet after midnight. A chance of
showers.
.WEDNESDAY...North wind 20 to 25 knots. Seas 4 to 6 feet with
occasional seas up to 8 feet building to 6 to 7 feet with
occasional seas up to 9 feet in the afternoon. A chance of
showers.
.WEDNESDAY NIGHT...North wind 15 to 20 knots. Seas 5 to 7 feet
with occasional seas up to 9 feet.
.THURSDAY...North wind 10 to 15 knots. Seas 3 to 4 feet with
occasional seas up to 5 feet.
.THURSDAY NIGHT...Northwest wind 5 to 10 knots shifting west
after midnight. Seas 2 to 4 feet with occasional seas up to
5 feet.
.FRIDAY...West wind around 5 knots shifting southwest in the
afternoon. Seas 2 to 3 feet.
.FRIDAY NIGHT...South wind 10 to 15 knots. Seas 2 to 3 feet.

$$

TMT/GW/TE


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.