698
FZUS54 KHGX 092019
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
319 PM CDT Sun Mar 9 2025

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.

GMZ300-100915-
Synopsis for High Island to the Matagorda Ship Channel out
60 nautical miles including Galveston and Matagorda Bays
319 PM CDT Sun Mar 9 2025

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

Moderate northwest winds and elevated seas will prevaIL through
the evening. Mariners should also anticipate some low water
conditions in the bays today through Monday around low tide
cycles. Winds and seas will subside late tonight and Monday as
surface high pressure moves into the region. Onshore flow will
resume late Monday and increase heading into the early and midweek
timeframe.

$$

GMZ335-100915-
Galveston Bay-
319 PM CDT Sun Mar 9 2025

...LOW WATER ADVISORY IN EFFECT UNTIL 4 PM CDT MONDAY...

...Small Craft Should Exercise Caution...

.TONIGHT...Northwest winds 15 to 20 knots, easing to around
15 knots late. Bay waters choppy, easing to slightly choppy late.
.MONDAY...Northwest winds 5 to 10 knots, backing to west late.
Bay waters smooth.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters smooth.
.TUESDAY...South winds 5 to 10 knots. Bay waters smooth.
.TUESDAY NIGHT...South winds around 10 knots. Bay waters smooth
to slightly choppy.
.WEDNESDAY...South winds 10 to 15 knots. Bay waters slightly
choppy.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Bay waters
slightly choppy. Patchy fog after midnight.
.THURSDAY...Southwest winds 5 to 10 knots. Bay waters smooth.
Patchy fog in the morning.
.THURSDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy. Patchy fog after midnight.
.FRIDAY...South winds 10 to 15 knots. Bay waters slightly choppy.
Patchy fog in the morning.
.FRIDAY NIGHT...South winds 10 to 15 knots, easing to around
10 knots after midnight. Bay waters slightly choppy, easing to
smooth after midnight.

$$

GMZ330-100915-
Matagorda Bay-
319 PM CDT Sun Mar 9 2025

...Small Craft Should Exercise Caution...

.TONIGHT...North winds 15 to 20 knots, easing to around 15 knots
after midnight. Bay waters choppy, easing to slightly choppy
after midnight.
.MONDAY...North winds 5 to 10 knots, becoming west early in the
afternoon, backing to south late. Bay waters smooth.
.MONDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth.
.TUESDAY...South winds 5 to 10 knots. Bay waters smooth.
.TUESDAY NIGHT...South winds around 10 knots. Bay waters smooth
to slightly choppy.
.WEDNESDAY...South winds 10 to 15 knots. Bay waters slightly
choppy.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Bay waters
slightly choppy. Patchy fog after midnight.
.THURSDAY...Southwest winds 5 to 10 knots. Bay waters smooth.
Patchy fog in the morning.
.THURSDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy. Patchy fog after midnight.
.FRIDAY...South winds 10 to 15 knots. Bay waters slightly choppy.
Patchy fog in the morning.
.FRIDAY NIGHT...South winds 10 to 15 knots, becoming southwest
around 10 knots after midnight. Bay waters slightly choppy,
easing to smooth after midnight.

$$

GMZ350-355-100915-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
319 PM CDT Sun Mar 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT MONDAY...

.TONIGHT...Northwest winds 20 to 25 knots, becoming north around
20 knots after midnight. Seas 3 to 4 feet. Wave Detail: Northwest
4 feet at 4 seconds and southeast 1 foot at 7 seconds.
.MONDAY...North winds 10 to 15 knots, becoming northwest around
10 knots in the late morning and early afternoon, backing to
southwest late. Seas around 3 feet in the morning, then around
2 feet or less. Wave Detail: North 2 feet at 3 seconds and
southeast 1 foot at 7 seconds, becoming northeast 1 foot at
4 seconds and southeast 1 foot at 7 seconds.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet or
less. Wave Detail: Northeast 1 foot at 4 seconds and southeast
1 foot at 7 seconds.
.TUESDAY...South winds around 10 knots. Seas around 2 feet or
less. Wave Detail: Southeast 1 foot at 7 seconds.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet
or less. Wave Detail: Southeast 1 foot at 7 seconds.
.WEDNESDAY...South winds 10 to 15 knots. Seas around 3 feet. Wave
Detail: South 3 feet at 5 seconds.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
Patchy fog after midnight.
.THURSDAY...Southwest winds 10 to 15 knots. Seas around 3 feet.
Patchy fog in the morning.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas around 3 feet.
Patchy fog after midnight.
.FRIDAY...South winds 10 to 15 knots. Seas 3 to 5 feet. Patchy
fog in the morning.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 4 to 5 feet.

$$

GMZ370-375-100915-
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-
319 PM CDT Sun Mar 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT MONDAY...

.TONIGHT...Northwest winds 20 to 25 knots, becoming north around
20 knots late. Seas 4 to 7 feet, occasionally to 9 feet. Wave
Detail: Northwest 6 feet at 5 seconds and southeast 1 foot at 7
seconds.
.MONDAY...North winds 10 to 15 knots, becoming northwest around
10 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: North
4 feet at 5 seconds and southeast 1 foot at 7 seconds.
.MONDAY NIGHT...Southwest winds 5 to 10 knots, backing to south
late. Seas around 2 feet or less. Wave Detail: North 2 feet at
5 seconds and southeast 1 foot at 7 seconds.
.TUESDAY...South winds 5 to 10 knots. Seas around 2 feet or less.
Wave Detail: Northeast 1 foot at 4 seconds and southeast 1 foot
at 7 seconds.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet
or less, then around 3 feet after midnight. Wave Detail:
Southeast 1 foot at 6 seconds.
.WEDNESDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: South 4 feet at 6 seconds.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
.THURSDAY...Southwest winds around 10 knots. Seas around 3 feet.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
.FRIDAY...South winds 15 to 20 knots. Seas 3 to 5 feet, building
to 5 to 6 feet, occasionally to 8 feet in the afternoon.
.FRIDAY NIGHT...South winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet.

$$