FZUS54 KHGX 181743
CWFHGX
Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1143 AM CST Thu Dec 18 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.
GMZ300-190615-
1143 AM CST Thu Dec 18 2025
.Synopsis For High Island to the Matagorda Ship Channel Out 60 NM
including Galveston and Matagorda Bays.
An approaching cold front will push offshore this evening,
bringing gusty north to northeast winds in its wake. Although
Galveston Bay is not included in the Small Craft Advisory, it is
worth mentioning that areas in the lower bay are likely to reach
Small Craft conditions in the immediate wake of the front tonight. Winds
weaken and veer on Friday. The potential for overnight and
morning fog will need to be monitored for this weekend and early
next week. due to the quick return of onshore winds.
$$
GMZ335-190615-
Galveston Bay-
1143 AM CST Thu Dec 18 2025
...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT FROM 9 PM CST
THIS EVENING THROUGH FRIDAY MORNING...
.TODAY...South winds around 10 knots, becoming west 10 to
15 knots this afternoon. Bay waters slightly choppy.
.TONIGHT...North winds 15 to 20 knots with gusts up to 25 knots.
Gusts may reach 30 knots in the lower bay. Bay waters choppy.
.FRIDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots, becoming east around 10 knots in the afternoon. Bay
waters slightly choppy, diminishing to smooth in the afternoon.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
Patchy fog after midnight.
.SATURDAY...South winds around 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots in the afternoon. Bay waters
smooth, increasing to slightly choppy in the afternoon. Patchy
fog in the morning.
.SATURDAY NIGHT...South winds 10 to 15 knots, diminishing to
around 10 knots after midnight. Bay waters slightly choppy,
diminishing to smooth after midnight. Patchy fog after midnight.
.SUNDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
Patchy fog in the morning. A chance of showers. A chance of
thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
Patchy fog after midnight.
.MONDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
Patchy fog in the morning.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
Patchy fog after midnight.
$$
GMZ330-190615-
Matagorda Bay-
1143 AM CST Thu Dec 18 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM CST THIS EVENING
THROUGH FRIDAY MORNING...
.TODAY...Southwest winds 5 to 10 knots, becoming west late. Bay
waters smooth, increasing to smooth to slightly choppy late.
.TONIGHT...North winds 20 to 25 knots, becoming northeast around
20 knots after midnight. Gusts up to 30 knots. Occasional gusts
up to 35 knots cannot be ruled out. Bay waters rough, diminishing
to choppy after midnight.
.FRIDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots, becoming east around 10 knots in the afternoon. Bay
waters slightly choppy, diminishing to smooth in the afternoon.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Bay waters smooth. Patchy fog after midnight.
.SATURDAY...South winds around 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots in the afternoon. Bay waters
smooth, increasing to slightly choppy in the afternoon. Patchy
fog in the morning.
.SATURDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy. Patchy fog after midnight.
.SUNDAY...South winds 5 to 10 knots. Bay waters smooth. Patchy
fog in the morning.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
Patchy fog after midnight.
.MONDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
Patchy fog in the morning.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
Patchy fog after midnight.
$$
GMZ350-355-190615-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1143 AM CST Thu Dec 18 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM CST THIS EVENING
THROUGH FRIDAY MORNING...
.TODAY...Southwest winds around 10 knots, increasing to 10 to
15 knots this afternoon. Seas 2 to 3 feet. Wave Detail: Southeast
2 feet at 6 seconds.
.TONIGHT...Northwest winds 20 to 25 knots, becoming northeast
after midnight. Gusts to 30 knots. Seas 2 to 3 feet, building to
3 to 5 feet after midnight. Wave Detail: Southwest 3 feet at 6
seconds and east 2 feet at 8 seconds, becoming northeast 4 feet at
6 seconds and south 2 feet at 6 seconds.
.FRIDAY...Northeast winds 15 to 20 knots with gusts up to
25 knots, becoming east around 10 knots in the afternoon. Seas
3 to 5 feet. Wave Detail: Northeast 4 feet at 5 seconds and south
1 foot at 6 seconds.
.FRIDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 6 seconds. Patchy fog
after midnight.
.SATURDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds and east 2 feet at 7 seconds.
Patchy fog in the morning.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 6 seconds. Patchy fog after
midnight.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Patchy
fog in the morning. A chance of showers in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. A chance of showers in the evening. Patchy fog after
midnight.
.MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
Patchy fog in the morning.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. Patchy fog after midnight.
$$
GMZ370-375-190615-
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-
1143 AM CST Thu Dec 18 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM CST THIS EVENING
THROUGH FRIDAY MORNING...
.TODAY...Southwest winds 10 to 15 knots with gusts up to
20 knots, becoming west with gusts up to 20 knots late. Seas 3 to
4 feet. Wave Detail: Southeast 3 feet at 7 seconds.
.TONIGHT...Northwest winds 20 to 25 knots, becoming northeast
after midnight. Gusts up to 35 knots. Seas 3 to 4 feet, building
to 4 to 6 feet, occasionally to 8 feet after midnight. Wave
Detail: West 3 feet at 6 seconds and east 2 feet at 8 seconds,
becoming northeast 6 feet at 7 seconds and south 4 feet at
6 seconds.
.FRIDAY...Northeast winds 20 to 25 knots, becoming east around
10 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: Northeast 6 feet at 6 seconds and south
1 foot at 6 seconds.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
after midnight. Seas 3 to 4 feet. Wave Detail: East 4 feet at
6 seconds and south 2 feet at 5 seconds.
.SATURDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.SATURDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
6 seconds.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Patchy
fog in the morning. A chance of showers.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
A chance of showers in the evening.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Patchy
fog in the morning.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
$$
CWFHGX
Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
1143 AM CST Thu Dec 18 2025
Upper Texas coastal waters from High Island to the Matagorda Ship
Channel out 60 nautical miles including Galveston and Matagorda
Bays.
Seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the
average highest 10 percent of the waves.
GMZ300-190615-
1143 AM CST Thu Dec 18 2025
.Synopsis For High Island to the Matagorda Ship Channel Out 60 NM
including Galveston and Matagorda Bays.
An approaching cold front will push offshore this evening,
bringing gusty north to northeast winds in its wake. Although
Galveston Bay is not included in the Small Craft Advisory, it is
worth mentioning that areas in the lower bay are likely to reach
Small Craft conditions in the immediate wake of the front tonight. Winds
weaken and veer on Friday. The potential for overnight and
morning fog will need to be monitored for this weekend and early
next week. due to the quick return of onshore winds.
$$
GMZ335-190615-
Galveston Bay-
1143 AM CST Thu Dec 18 2025
...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT FROM 9 PM CST
THIS EVENING THROUGH FRIDAY MORNING...
.TODAY...South winds around 10 knots, becoming west 10 to
15 knots this afternoon. Bay waters slightly choppy.
.TONIGHT...North winds 15 to 20 knots with gusts up to 25 knots.
Gusts may reach 30 knots in the lower bay. Bay waters choppy.
.FRIDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots, becoming east around 10 knots in the afternoon. Bay
waters slightly choppy, diminishing to smooth in the afternoon.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
Patchy fog after midnight.
.SATURDAY...South winds around 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots in the afternoon. Bay waters
smooth, increasing to slightly choppy in the afternoon. Patchy
fog in the morning.
.SATURDAY NIGHT...South winds 10 to 15 knots, diminishing to
around 10 knots after midnight. Bay waters slightly choppy,
diminishing to smooth after midnight. Patchy fog after midnight.
.SUNDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
Patchy fog in the morning. A chance of showers. A chance of
thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
Patchy fog after midnight.
.MONDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
Patchy fog in the morning.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
Patchy fog after midnight.
$$
GMZ330-190615-
Matagorda Bay-
1143 AM CST Thu Dec 18 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM CST THIS EVENING
THROUGH FRIDAY MORNING...
.TODAY...Southwest winds 5 to 10 knots, becoming west late. Bay
waters smooth, increasing to smooth to slightly choppy late.
.TONIGHT...North winds 20 to 25 knots, becoming northeast around
20 knots after midnight. Gusts up to 30 knots. Occasional gusts
up to 35 knots cannot be ruled out. Bay waters rough, diminishing
to choppy after midnight.
.FRIDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots, becoming east around 10 knots in the afternoon. Bay
waters slightly choppy, diminishing to smooth in the afternoon.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Bay waters smooth. Patchy fog after midnight.
.SATURDAY...South winds around 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots in the afternoon. Bay waters
smooth, increasing to slightly choppy in the afternoon. Patchy
fog in the morning.
.SATURDAY NIGHT...South winds 10 to 15 knots. Bay waters slightly
choppy. Patchy fog after midnight.
.SUNDAY...South winds 5 to 10 knots. Bay waters smooth. Patchy
fog in the morning.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
Patchy fog after midnight.
.MONDAY...Southeast winds 5 to 10 knots. Bay waters smooth.
Patchy fog in the morning.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth.
Patchy fog after midnight.
$$
GMZ350-355-190615-
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
1143 AM CST Thu Dec 18 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM CST THIS EVENING
THROUGH FRIDAY MORNING...
.TODAY...Southwest winds around 10 knots, increasing to 10 to
15 knots this afternoon. Seas 2 to 3 feet. Wave Detail: Southeast
2 feet at 6 seconds.
.TONIGHT...Northwest winds 20 to 25 knots, becoming northeast
after midnight. Gusts to 30 knots. Seas 2 to 3 feet, building to
3 to 5 feet after midnight. Wave Detail: Southwest 3 feet at 6
seconds and east 2 feet at 8 seconds, becoming northeast 4 feet at
6 seconds and south 2 feet at 6 seconds.
.FRIDAY...Northeast winds 15 to 20 knots with gusts up to
25 knots, becoming east around 10 knots in the afternoon. Seas
3 to 5 feet. Wave Detail: Northeast 4 feet at 5 seconds and south
1 foot at 6 seconds.
.FRIDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 6 seconds. Patchy fog
after midnight.
.SATURDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds and east 2 feet at 7 seconds.
Patchy fog in the morning.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 6 seconds. Patchy fog after
midnight.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Patchy
fog in the morning. A chance of showers in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. A chance of showers in the evening. Patchy fog after
midnight.
.MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
Patchy fog in the morning.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. Patchy fog after midnight.
$$
GMZ370-375-190615-
Waters from Freeport to Matagorda Ship Channel TX from 20 to
60 NM-Waters from High Island to Freeport TX from 20 to 60 NM-
1143 AM CST Thu Dec 18 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM CST THIS EVENING
THROUGH FRIDAY MORNING...
.TODAY...Southwest winds 10 to 15 knots with gusts up to
20 knots, becoming west with gusts up to 20 knots late. Seas 3 to
4 feet. Wave Detail: Southeast 3 feet at 7 seconds.
.TONIGHT...Northwest winds 20 to 25 knots, becoming northeast
after midnight. Gusts up to 35 knots. Seas 3 to 4 feet, building
to 4 to 6 feet, occasionally to 8 feet after midnight. Wave
Detail: West 3 feet at 6 seconds and east 2 feet at 8 seconds,
becoming northeast 6 feet at 7 seconds and south 4 feet at
6 seconds.
.FRIDAY...Northeast winds 20 to 25 knots, becoming east around
10 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: Northeast 6 feet at 6 seconds and south
1 foot at 6 seconds.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
after midnight. Seas 3 to 4 feet. Wave Detail: East 4 feet at
6 seconds and south 2 feet at 5 seconds.
.SATURDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.SATURDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
6 seconds.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Patchy
fog in the morning. A chance of showers.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
A chance of showers in the evening.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Patchy
fog in the morning.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
$$