National Weather Service Marine Forecast FZUS54 KHGX

FZUS54 KHGX 241431
CWFHGX

Coastal Waters Forecast for Texas
National Weather Service Houston/Galveston TX
831 AM CST Wed Dec 24 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.

GMZ300-250330
831 AM CST Wed Dec 24 2025

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

Light onshore flow will keep conditions favorable for sea fog through Saturday. The highest risk of dense fog will be at night and during the morning hours. However, patchy dense fog will likely linger into the afternoon, particularly in the nearshore waters in the vicinity of Galveston Island and the Bolivar Peninsula. A cold front will move through the area on Sunday. Small craft advisories may be needed Sunday night into Monday as strong northeast winds develop behind the front.

---

GMZ335-250330
Galveston Bay
831 AM CST Wed Dec 24 2025

DENSE FOG ADVISORY IN EFFECT UNTIL NOON CST TODAY

REST OF TODAY
Southeast winds 5 to 10 knots. Bay waters smooth. Areas of dense fog early this morning, then patchy fog this afternoon.

TONIGHT
Southeast winds 5 to 10 knots. Bay waters smooth. Patchy fog in the evening, then areas of dense fog after midnight.

THURSDAY
Southeast winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Bay waters smooth. Areas of fog in the morning, then patchy fog in the afternoon.

THURSDAY NIGHT
South winds 5 to 10 knots. Bay waters smooth. Patchy fog.

FRIDAY
South winds 5 to 10 knots. Bay waters smooth. Areas of dense fog in the morning, then patchy fog in the afternoon.

FRIDAY NIGHT
South winds 5 to 10 knots. Bay waters smooth. Patchy fog.

SATURDAY
South winds 5 to 10 knots. Bay waters smooth. Patchy fog.

SATURDAY NIGHT
South winds 5 to 10 knots. Bay waters smooth. Patchy fog.

SUNDAY
South winds 5 to 10 knots. Bay waters smooth. Patchy fog in the morning.

SUNDAY NIGHT
Southeast winds around 15 knots, becoming north 20 to 25 knots after midnight. Bay waters slightly choppy, increasing to rough after midnight. A chance of showers in the evening.

---

GMZ330-250330
Matagorda Bay
831 AM CST Wed Dec 24 2025

DENSE FOG ADVISORY IN EFFECT UNTIL NOON CST TODAY

REST OF TODAY
Southeast winds 5 to 10 knots. Bay waters smooth. Areas of dense fog early this morning, then patchy fog this afternoon.

TONIGHT
Southeast winds 5 to 10 knots. Bay waters smooth. Patchy fog in the evening, then areas of dense fog after midnight.

THURSDAY
Southeast winds 5 to 10 knots. Bay waters smooth. Areas of fog in the morning.

THURSDAY NIGHT
South winds 5 to 10 knots. Bay waters smooth. Patchy fog.

FRIDAY
South winds 5 to 10 knots. Bay waters smooth. Patchy fog in the morning.

FRIDAY NIGHT
South winds around 10 knots. Bay waters smooth to slightly choppy. Patchy fog.

SATURDAY
South winds around 10 knots. Bay waters smooth to slightly choppy. Patchy fog in the morning.

SATURDAY NIGHT
South winds around 10 knots. Bay waters smooth to slightly choppy. Patchy fog.

SUNDAY
South winds 5 to 10 knots. Bay waters smooth. Patchy fog in the morning.

SUNDAY NIGHT
East winds around 15 knots, becoming north 20 to 25 knots after midnight. Bay waters slightly choppy, increasing to rough after midnight. A chance of showers.

---

GMZ355-250330
Coastal waters from High Island to Freeport TX out 20 NM
831 AM CST Wed Dec 24 2025

DENSE FOG ADVISORY IN EFFECT UNTIL NOON CST THURSDAY

REST OF TODAY
East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. Areas of dense fog early this morning, then patchy fog this afternoon.

TONIGHT
Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 7 seconds. Patchy fog in the evening, then areas of fog after midnight.

THURSDAY
East winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 8 seconds. Patchy fog in the morning.

THURSDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 7 seconds. Patchy fog in the evening.

FRIDAY
Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 7 seconds. Patchy fog.

FRIDAY NIGHT
South winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 7 seconds and south 1 foot at 4 seconds. Patchy fog.

SATURDAY
South winds around 10 knots. Seas around 2 feet. Patchy fog.

SATURDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet. Patchy fog.

SUNDAY
South winds 5 to 10 knots. Seas around 2 feet. Patchy fog in the morning.

SUNDAY NIGHT
Southeast winds around 15 knots, becoming north 20 to 25 knots after midnight. Seas 2 to 4 feet. A chance of showers.

---

GMZ350-250330
Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM
831 AM CST Wed Dec 24 2025

DENSE FOG ADVISORY IN EFFECT UNTIL NOON CST TODAY

REST OF TODAY
East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. Areas of dense fog early this morning. Patchy fog this afternoon. A slight chance of showers early this afternoon.

TONIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 8 seconds. Patchy fog in the evening, then areas of fog after midnight.

THURSDAY
East winds around 5 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 8 seconds. Patchy fog in the morning.

THURSDAY NIGHT
Southeast winds 5 to 10 knots, becoming south after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 8 seconds.

FRIDAY
South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 8 seconds. Patchy fog.

FRIDAY NIGHT
South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds and south 2 feet at 4 seconds. Patchy fog.

SATURDAY
South winds around 10 knots. Seas 2 to 3 feet. Patchy fog in the morning.

SATURDAY NIGHT
South winds around 10 knots. Seas 2 to 3 feet. Patchy fog.

SUNDAY
South winds 5 to 10 knots. Seas 2 to 3 feet. Patchy fog in the morning.

SUNDAY NIGHT
East winds around 15 knots, becoming north 20 to 25 knots after midnight. Seas 2 to 4 feet. A chance of showers.

---

GMZ370-375-250330
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
831 AM CST Wed Dec 24 2025

REST OF TODAY
East winds 5 to 10 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. Patchy fog.

TONIGHT
Southeast winds 5 to 10 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 8 seconds. Patchy fog.

THURSDAY
Southeast winds around 5 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 8 seconds. Patchy fog in the morning.

THURSDAY NIGHT
South winds 5 to 10 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 8 seconds.

FRIDAY
South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 8 seconds.

FRIDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds and south 2 feet at 4 seconds.

SATURDAY
South winds around 10 knots. Seas 2 to 3 feet.

SATURDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet.

SUNDAY
South winds 5 to 10 knots. Seas 2 to 3 feet.

SUNDAY NIGHT
East winds around 15 knots, becoming north 20 to 25 knots after midnight. Seas 2 to 4 feet. A chance of showers in the evening, then showers likely after midnight.