265
FZUS54 KHGX 131821
CWFHGX
COASTAL WATERS FORECAST FOR TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
121 PM CDT WED AUG 13 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.
GMZ300-140730-
121 PM CDT WED AUG 13 2025
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM
INCLUDING GALVESTON AND MATAGORDA BAYS.
GENERALLY LIGHT ONSHORE WINDS AND LOW SEAS ARE ANTICIPATED FOR
THE NEXT SEVERAL DAYS. MARINERS SHOULD EXPECT SCATTERED LATE
NIGHT THROUGH AFTERNOON SHOWERS AND THUNDERSTORMS EACH DAY INTO
THE WEEKEND, WITH THE BEST CHANCES FRIDAY AND SATURDAY.
GMZ335-140730-
GALVESTON BAY-
121 PM CDT WED AUG 13 2025
REST OF TODAY
GENERALLY SOUTH WINDS 5 TO 10 KNOTS WITH GUSTS UP
TO 15 KNOTS. BAY WATERS SMOOTH. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
TONIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
THURSDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. BAY WATERS SMOOTH. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
THURSDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A CHANCE
OF SHOWERS AND THUNDERSTORMS.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
SATURDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
SATURDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
SUNDAY
WEST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. BAY WATERS SMOOTH. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
SUNDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST
AFTER MIDNIGHT. BAY WATERS SMOOTH.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ330-140730-
MATAGORDA BAY-
121 PM CDT WED AUG 13 2025
REST OF TODAY
SOUTHEAST WINDS 5 TO 10 KNOTS WITH GUSTS UP TO 15
KNOTS. BAY WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS.
BAY WATERS SLIGHTLY CHOPPY.
THURSDAY
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.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. BAY WATERS SLIGHTLY CHOPPY.
FRIDAY
SOUTH WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST 10 TO
15 KNOTS WITH GUSTS UP TO 20 KNOTS IN THE AFTERNOON. BAY WATERS
SMOOTH, INCREASING TO SLIGHTLY CHOPPY IN THE AFTERNOON. A CHANCE
OF SHOWERS AND THUNDERSTORMS.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS
SLIGHTLY CHOPPY. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT.
SATURDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
SATURDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
SUNDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ350-355-140730-
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-
121 PM CDT WED AUG 13 2025
REST OF TODAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 1 FOOT AT 4 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS.
SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
THURSDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTH 2 FEET AT
4 SECONDS.
FRIDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTH 3 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS. A CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT.
SATURDAY
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST AROUND
10 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET. A CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE MORNING.
SATURDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO
3 FEET.
SUNDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS AROUND 2 FEET.
SUNDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ370-375-140730-
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-
121 PM CDT WED AUG 13 2025
REST OF TODAY
WEST WINDS AROUND 5 KNOTS, BECOMING SOUTH LATE.
SEAS AROUND 2 FEET. WAVE DETAIL: SOUTH 1 FOOT AT 4 SECONDS. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY THIS AFTERNOON.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS.
SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.
THURSDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTH 2 FEET AT
5 SECONDS.
FRIDAY
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 4 FEET. WAVE
DETAIL: SOUTH 3 FEET AT 6 SECONDS. A CHANCE OF THUNDERSTORMS.
SHOWERS LIKELY, MAINLY IN THE MORNING.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
WAVE DETAIL: SOUTH 3 FEET AT 6 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
SATURDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
SATURDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO
3 FEET.
SUNDAY
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS 2 TO 3 FEET.
SUNDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS AROUND 2 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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