Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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FZUS54 KHGX 292037
CWFHGX

Coastal Waters Forecast
National Weather Service Houston/Galveston TX
337 PM CDT Thu Jul 29 2021

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.

GMZ300-300915-
Synopsis for High Island to the Matagorda Ship Channel out 60
nautical miles including Galveston and Matagorda Bays
337 PM CDT Thu Jul 29 2021

.SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM...
Light onshore winds will prevail into the weekend. A weak area of
low pressure will pass by to the south swinging winds from east
to northeast and back to southeast today into Friday. This will
lead to an increase in rain chances today. Shower and thunderstorm
activity are expected each day, peaking during the overnight and
morning hours before moving inland. Expect stronger and variable
winds along with locally higher seas with any strong storms.

$$

GMZ335-300915-
Galveston Bay-
337 PM CDT Thu Jul 29 2021

.REST OF TODAY...Southeast winds around 10 knots. Bay waters
smooth to slightly choppy. A slight chance of showers and
thunderstorms.
.TONIGHT...South winds 5 to 10 knots. Bay waters smooth.
.FRIDAY...South winds 5 to 10 knots. Bay waters smooth. A slight
chance of showers and thunderstorms in the morning. A chance of
showers and thunderstorms early in the afternoon, then a slight
chance of showers and thunderstorms late in the afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots becoming southwest
after midnight. Bay waters smooth.
.SATURDAY...Southwest winds around 5 knots becoming south in the
afternoon. Bay waters smooth. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters
smooth.
.SUNDAY...Southwest winds 5 to 10 knots becoming south in the
afternoon. Bay waters smooth. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...Southwest winds around 10 knots. Bay waters
smooth to slightly choppy. A slight chance of showers and
thunderstorms after midnight.
.MONDAY...Southwest winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms.
.MONDAY NIGHT...South winds 10 to 15 knots becoming southwest
5 to 10 knots after midnight. Bay waters slightly choppy becoming
smooth after midnight. A slight chance of thunderstorms in the
evening. A chance of showers. A chance of thunderstorms after
midnight.

$$

GMZ330-300915-
Matagorda Bay-
337 PM CDT Thu Jul 29 2021

.REST OF TODAY...Southeast winds 10 to 15 knots. Bay waters
slightly choppy. A slight chance of showers and thunderstorms.
.TONIGHT...Southeast winds around 10 knots becoming 5 to 10 knots
after midnight. Bay waters smooth to slightly choppy becoming
smooth after midnight. A slight chance of showers and
thunderstorms after midnight.
.FRIDAY...South winds 5 to 10 knots. Bay waters smooth. A chance
of showers and thunderstorms until late afternoon, then a slight
chance of showers and thunderstorms late in the afternoon.
.FRIDAY NIGHT...South winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. Bay waters slightly choppy becoming
smooth after midnight.
.SATURDAY...South winds 5 to 10 knots. Bay waters smooth. A
slight chance of showers and thunderstorms.
.SATURDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.SUNDAY...South winds 5 to 10 knots. Bay waters smooth. A slight
chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy.
.MONDAY...South winds around 10 knots. Bay waters smooth to
slightly choppy. A slight chance of showers and thunderstorms.
.MONDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy. A slight chance of showers. A slight chance of
thunderstorms after midnight.

$$

GMZ350-355-300915-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
337 PM CDT Thu Jul 29 2021

.REST OF TODAY...East winds 10 to 15 knots. Seas 1 to 2 feet. A
slight chance of showers and thunderstorms early in the
afternoon.
.TONIGHT...South winds 10 to 15 knots. Seas 1 to 2 feet. A slight
chance of showers and thunderstorms after midnight.
.FRIDAY...South winds 10 to 15 knots decreasing to 5 to 10 knots
in the afternoon. Seas 1 to 2 feet. A chance of showers and
thunderstorms until late afternoon, then a slight chance of
showers and thunderstorms late in the afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet.
.SATURDAY...South winds 5 to 10 knots. Seas 1 to 2 feet. A chance
of showers and thunderstorms in the morning, then a slight chance
of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 1 to 2 feet.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 1 to 2 feet. A
slight chance of showers and thunderstorms.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 1 to 2 feet. A
slight chance of showers and thunderstorms after midnight.
.MONDAY...Southwest winds around 10 knots. Seas 1 to 2 feet. A
slight chance of showers in the morning. A slight chance of
thunderstorms. A chance of showers in the afternoon.
.MONDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
A slight chance of showers in the evening, then a chance of
showers and a slight chance of thunderstorms after midnight.

$$

GMZ370-375-300915-
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-
337 PM CDT Thu Jul 29 2021

.REST OF TODAY...East winds 15 to 20 knots. Seas 1 to 2 feet. A
slight chance of showers and thunderstorms.
.TONIGHT...South winds 10 to 15 knots. Seas 1 to 2 feet. A slight
chance of showers and thunderstorms after midnight. A chance of
showers and thunderstorms late.
.FRIDAY...South winds 10 to 15 knots. Seas 1 to 2 feet. A chance
of showers and thunderstorms in the morning, then a slight chance
of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...South winds 10 to 15 knots becoming southwest
5 to 10 knots after midnight. Seas 2 feet.
.SATURDAY...South winds 5 to 10 knots. Seas 1 to 2 feet. A slight
chance of showers and thunderstorms.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 feet.
.SUNDAY...South winds 5 to 10 knots. Seas 2 feet. A slight chance
of showers and thunderstorms.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms after midnight.
.MONDAY...Southwest winds 5 to 10 knots. Seas 3 feet. A slight
chance of showers and thunderstorms.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas 3 feet. A slight
chance of showers. A slight chance of thunderstorms after
midnight.

$$


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