Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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269
FZUS54 KHGX 200917
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
417 AM CDT Thu Jun 20 2024

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.

GMZ300-202230-
Synopsis for High Island to the Matagorda Ship Channel out
60 nautical miles including Galveston and Matagorda Bays
417 AM CDT Thu Jun 20 2024

.Synopsis For High Island to the Matagorda Ship Channel Out 60 NM
including Galveston and Matagorda Bays.

Hazardous winds and seas continue today as Tropical Storm Alberto
moves into Mexico. Winds and seas will gradually decrease.
However, it may take until sometime on Friday for conditions to
fall below Small Craft Advisory criteria, especially for offshore
areas. This weekend into early next week, moderate east to
southeast winds are expected. There will be a daily risk of
showers and thunderstorms through the forecast period.

$$

GMZ335-202230-
Galveston Bay-
417 AM CDT Thu Jun 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...East winds 15 to 20 knots. Bay waters choppy. A chance
of showers. A chance of showers and thunderstorms.
.TONIGHT...East winds 15 to 20 knots, easing to around 15 knots
after midnight. Bay waters choppy, easing to slightly choppy
after midnight. A chance of showers and thunderstorms.
.FRIDAY...East winds 10 to 15 knots. Bay waters slightly choppy.
A chance of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots, becoming east
around 10 knots after midnight. Bay waters slightly choppy,
easing to smooth after midnight. A chance of showers and
thunderstorms early in the evening.
.SATURDAY...East winds around 10 knots, rising to 10 to 15 knots
in the afternoon. Bay waters smooth, rising to slightly choppy in
the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth.
.SUNDAY...East winds 5 to 10 knots. Bay waters smooth. A chance
of showers and thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
A chance of showers and thunderstorms early in the evening.
.MONDAY...Southeast winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms.
.MONDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth. A
chance of showers and thunderstorms early in the evening.



$$

GMZ330-202230-
Matagorda Bay-
417 AM CDT Thu Jun 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...East winds 20 to 25 knots. Bay waters rough. A chance of
showers and thunderstorms.
.TONIGHT...East winds 15 to 20 knots. Bay waters choppy. A chance
of showers and thunderstorms.
.FRIDAY...East winds 10 to 15 knots. Bay waters slightly choppy.
Showers and thunderstorms likely until late afternoon, then a
chance of showers and thunderstorms late.
.FRIDAY NIGHT...East winds 10 to 15 knots, easing to around
10 knots after midnight. Bay waters slightly choppy, easing to
smooth after midnight. A chance of showers and thunderstorms
early in the evening. A chance of showers and thunderstorms after
midnight.
.SATURDAY...East winds 10 to 15 knots. Bay waters slightly
choppy. A chance of thunderstorms early in the morning. A chance
of showers until late afternoon.
.SATURDAY NIGHT...East winds 10 to 15 knots, easing to around
10 knots after midnight. Bay waters slightly choppy, easing to
smooth after midnight. A chance of showers and thunderstorms
late.
.SUNDAY...East winds around 10 knots, rising to 10 to 15 knots in
the afternoon. Bay waters smooth, rising to slightly choppy in
the afternoon. A chance of showers and thunderstorms.
.SUNDAY NIGHT...East winds 10 to 15 knots, becoming southeast
around 10 knots after midnight. Bay waters slightly choppy,
easing to smooth after midnight. A chance of showers and
thunderstorms early in the evening. A chance of showers and
thunderstorms after midnight.
.MONDAY...Southeast winds around 10 knots, rising to 10 to
15 knots in the afternoon. Bay waters smooth, rising to slightly
choppy in the afternoon. A chance of showers and thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots, easing to around
10 knots after midnight. Bay waters slightly choppy, easing to
smooth after midnight. A chance of showers and thunderstorms
early in the evening. A chance of showers and thunderstorms after
midnight.



$$

GMZ350-355-202230-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
417 AM CDT Thu Jun 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.TODAY...East winds 20 to 25 knots. Seas 9 to 12 feet,
occasionally to 15 feet. Wave Detail: East 9 feet at 8 seconds. A
chance of showers and thunderstorms.
.TONIGHT...East winds 20 to 25 knots, easing to around 20 knots
after midnight. Seas 7 to 10 feet, occasionally to 13 feet,
subsiding to 6 to 8 feet, occasionally to 10 feet after midnight.
Wave Detail: East 7 feet at 7 seconds. A chance of showers and
thunderstorms.
.FRIDAY...East winds 10 to 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: East 6 feet at 5 seconds and
south 2 feet at 8 seconds. A chance of showers and thunderstorms
early in the morning, then showers and thunderstorms likely late
in the morning. A chance of showers and thunderstorms in the
afternoon.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave
Detail: Southeast 5 feet at 6 seconds. A chance of showers and
thunderstorms early in the evening. A chance of showers and
thunderstorms late.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 6 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: East 4 feet at 4 seconds. A chance of showers and
thunderstorms late.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. A chance
of showers and thunderstorms.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
A chance of showers and thunderstorms early in the evening. A
chance of showers and thunderstorms after midnight.
.MONDAY...Southeast winds around 10 knots, rising to 10 to
15 knots in the afternoon. Seas 3 to 4 feet. A chance of showers
and thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
A chance of showers and thunderstorms early in the evening. A
chance of showers and thunderstorms after midnight.



$$

GMZ370-375-202230-
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-
417 AM CDT Thu Jun 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.TODAY...East winds 20 to 25 knots. Seas 9 to 13 feet,
occasionally to 17 feet. Wave Detail: East 11 feet at 9 seconds.
A chance of showers and thunderstorms.
.TONIGHT...East winds 20 to 25 knots, easing to around 20 knots
after midnight. Seas 7 to 10 feet, occasionally to 13 feet. Wave
Detail: East 8 feet at 7 seconds and south 3 feet at 9 seconds. A
chance of showers.
.FRIDAY...East winds around 15 knots. Seas 5 to 8 feet,
occasionally to 10 feet. Wave Detail: Southeast 6 feet at
7 seconds. Showers and thunderstorms likely until late afternoon,
then a chance of showers and thunderstorms late.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Southeast 6 feet at
6 seconds. A chance of showers and thunderstorms.
.SATURDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave
Detail: East 5 feet at 6 seconds. A chance of showers and
thunderstorms.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet.
Wave Detail: Southeast 4 feet at 6 seconds. A chance of showers
and thunderstorms.
.SUNDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Showers
and thunderstorms likely until late afternoon, then a chance of
showers and thunderstorms late.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet.
A chance of showers and thunderstorms.
.MONDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. A
chance of showers and thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
4 feet. A chance of showers and thunderstorms early in the
evening. A chance of showers and thunderstorms after midnight.



$$