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Coastal Waters Forecast (CWF)

Issued by Houston/Galveston, TX (HGX)

                            
675 
FZUS54 KHGX 212122
CWFHGX

Coastal Waters Forecast
National Weather Service Houston/Galveston TX
322 PM CST Wed Feb 21 2018

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.

GMZ300-221030-
Synopsis for High Island to the Matagorda Ship Channel out 60
nautical miles including Galveston and Matagorda Bays
322 PM CST Wed Feb 21 2018

.SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM...
A weak cold front moving very slowly through the coastal counties
will sag out into the nearshore waters and should stall this
evening. Areas south of the front may have fog and southerly
winds. The front should drift very slowly back north Thursday
morning and the fog should spread back into the immediate coast
and lower portions of Galveston Bay. East and southeast winds
Thursday afternoon should maintain the possibility of fog. Seas
should gradually subside tonight and Thursday with the lighter
winds over the area. Onshore flow strengthens Friday followed by a 
cold front that moves offshore Sunday. 


$$

GMZ330-221030-
Matagorda Bay-
322 PM CST Wed Feb 21 2018

.TONIGHT...North winds 10 to 15 knots. Bay waters slightly
choppy. Showers likely and a chance of thunderstorms. 
.THURSDAY...Northeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and a slight chance of thunderstorms. 
.THURSDAY NIGHT...East winds 5 to 10 knots. Bay waters smooth. A
chance of showers and isolated thunderstorms. 
.FRIDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
slight chance of showers and thunderstorms. 
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
slightly choppy. A chance of showers and thunderstorms. 
.SATURDAY...South winds 10 to 15 knots. Bay waters slightly
choppy. A slight chance of showers and thunderstorms. 
.SATURDAY NIGHT...South winds 5 to 10 knots becoming northeast
after midnight. Bay waters smooth. A chance of showers and
thunderstorms. 
.SUNDAY...Northeast winds around 10 knots. Bay waters smooth to
slightly choppy. A chance of showers and isolated thunderstorms. 
.SUNDAY NIGHT...Northeast winds around 10 knots. Bay waters
smooth to slightly choppy. A chance of showers and isolated
thunderstorms. 
.MONDAY...Northeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers. 
.MONDAY NIGHT...East winds 5 to 10 knots. Bay waters smooth. A
slight chance of showers. 

$$

GMZ350-221030-
Coastal waters from Freeport to the Matagorda Ship Channel out
20 NM-
322 PM CST Wed Feb 21 2018

...DENSE FOG ADVISORY IN EFFECT UNTIL 6 AM CST THURSDAY...

.TONIGHT...East winds 10 to 15 knots becoming northeast after
midnight. Seas 3 to 4 feet. Patchy fog in the evening. Areas of
fog after midnight. Thunderstorms likely in the evening. Showers.
A chance of thunderstorms after midnight. 
.THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. A chance
of showers and a slight chance of thunderstorms. 
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
5 feet. A chance of showers and isolated thunderstorms. 
.FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. A
slight chance of showers and thunderstorms. 
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
A slight chance of showers and thunderstorms. 
.SATURDAY...South winds 10 to 15 knots. Seas 3 to 5 feet. A
slight chance of showers and thunderstorms. 
.SATURDAY NIGHT...Southwest winds 5 to 10 knots becoming north
10 to 15 knots after midnight. Seas 2 to 4 feet. A chance of
showers and thunderstorms. 
.SUNDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet. A
chance of showers and isolated thunderstorms. 
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Showers likely and isolated thunderstorms. 
.MONDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers. 
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of showers. 

$$

GMZ335-221030-
Galveston Bay-
322 PM CST Wed Feb 21 2018

...Small Craft Should Exercise Caution through early evening...

.TONIGHT...South winds 15 to 20 knots through early evening then
becoming becoming east 5 to 10 knots by late evening then
northeast. Bay waters choppy becoming smooth after midnight. 
Showers likely and a chance of thunderstorms. Areas of fog toward
morning.
.THURSDAY...East winds 5 to 10 knots becoming southeast in the
afternoon. Bay waters smooth. A chance of showers and a slight
chance of thunderstorms. Areas of fog possible.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth. A chance of showers and isolated thunderstorms. 
.FRIDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms. 
.FRIDAY NIGHT...Southeast winds around 10 knots. Bay waters
smooth to slightly choppy. A chance of showers and thunderstorms.
.SATURDAY...South winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers and thunderstorms. 
.SATURDAY NIGHT...Southwest winds 5 to 10 knots becoming north
after midnight. Bay waters smooth. A chance of showers and
thunderstorms. 
.SUNDAY...Northeast winds around 10 knots. Bay waters smooth to
slightly choppy. A chance of showers and isolated thunderstorms. 
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters smooth.
Showers likely and isolated thunderstorms. 
.MONDAY...Northeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers. 
.MONDAY NIGHT...East winds 5 to 10 knots. Bay waters smooth. A
slight chance of showers. 

$$

GMZ355-221030-
Coastal waters from High Island to Freeport out 20 NM-
322 PM CST Wed Feb 21 2018

...DENSE FOG ADVISORY IN EFFECT UNTIL 6 AM CST THURSDAY...

.TONIGHT...South winds 10 to 15 knots becoming southeast 5 to
10 knots after midnight. Seas 3 to 4 feet. Patchy fog in the
evening. Areas of fog after midnight. Showers likely and a chance
of thunderstorms. 
.THURSDAY...Southeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Seas 2 to 4 feet. A chance of showers
and a slight chance of thunderstorms. 
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet. A chance of showers and isolated thunderstorms. 
.FRIDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet. A
slight chance of showers and thunderstorms. 
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
A slight chance of showers and thunderstorms. 
.SATURDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms. 
.SATURDAY NIGHT...Southwest winds 5 to 10 knots becoming north
after midnight. Seas 2 to 4 feet. A chance of showers and
thunderstorms. 
.SUNDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. A
chance of showers and isolated thunderstorms. 
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet.
Showers likely and isolated thunderstorms. 
.MONDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers. 
.MONDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet. A
slight chance of showers. 

$$

GMZ370-375-221030-
Waters from Freeport to the Matagorda Ship Channel from 20 to
60 NM-Waters from High Island to Freeport from 20 to 60 NM-
322 PM CST Wed Feb 21 2018

...Small Craft Should Exercise Caution...

.TONIGHT...Southeast winds 10 to 15 knots. Seas 5 to 6 feet with
occasional seas up to 7 feet. A chance of showers and a slight
chance of thunderstorms. 
.THURSDAY...Southeast winds 10 to 15 knots. Seas 5 to 6 feet with
occasional seas up to 7 feet. A chance of showers and a slight
chance of thunderstorms. 
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to
6 feet with occasional seas up to 7 feet. A slight chance of
showers and isolated thunderstorms. 
.FRIDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet with
occasional seas up to 6 feet. A slight chance of showers and
thunderstorms. 
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet
with occasional seas up to 6 feet. A slight chance of showers and
thunderstorms. 
.SATURDAY...South winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas up to 7 feet. A slight chance of showers and
thunderstorms. 
.SATURDAY NIGHT...Southwest winds 10 to 15 knots becoming north
after midnight. Seas 4 to 6 feet with occasional seas up to
7 feet. A chance of showers and thunderstorms. 
.SUNDAY...Northeast winds around 15 knots. Seas 5 to 7 feet with
occasional seas up to 8 feet. A chance of showers and isolated
thunderstorms. 
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet
with occasional seas up to 7 feet. Showers likely and isolated
thunderstorms. 
.MONDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet.
Showers likely and isolated thunderstorms. 
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet with
occasional seas up to 6 feet. A slight chance of showers. 

$$