329
FZUS54 KHGX 121144
CWFHGX
COASTAL WATERS FORECAST FOR TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
644 AM CDT TUE AUG 12 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.
GMZ300-130015-
644 AM CDT TUE AUG 12 2025
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM
INCLUDING GALVESTON AND MATAGORDA BAYS.
MAINLY LIGHT ONSHORE WINDS AND LOW SEAS ARE ANTICIPATED FOR THE
NEXT SEVERAL DAYS. DAILY SEABREEZES WILL KICK WIND SPEEDS UP INTO
THE 12 TO 17 KNOT RANGE IN THE AFTERNOONS AND EVENINGS NEAR THE
COAST AND BAYS. MARINERS SHOULD EXPECT SCATTERED LATE NIGHT
THROUGH AFTERNOON SHOWERS AND THUNDERSTORMS EACH DAY INTO
THE WEEKEND.
GMZ335-130015-
GALVESTON BAY-
644 AM CDT TUE AUG 12 2025
REST OF TODAY
NORTH WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST
LATE. BAY WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS
THIS AFTERNOON.
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST
AFTER MIDNIGHT. BAY WATERS SMOOTH.
WEDNESDAY
WEST WINDS AROUND 10 KNOTS, BECOMING SOUTH 10 TO
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY IN THE AFTERNOON. A CHANCE OF SHOWERS. A CHANCE
OF THUNDERSTORMS IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS
SLIGHTLY CHOPPY.
THURSDAY
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY NIGHT
SOUTH WINDS AROUND 10 KNOTS. BAY WATERS SMOOTH
TO SLIGHTLY CHOPPY.
FRIDAY
SOUTH WINDS AROUND 10 KNOTS. BAY WATERS SMOOTH TO
SLIGHTLY CHOPPY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY NIGHT
SOUTH WINDS AROUND 10 KNOTS. BAY WATERS SMOOTH TO
SLIGHTLY CHOPPY.
SATURDAY
SOUTH WINDS AROUND 10 KNOTS. BAY WATERS SMOOTH TO
SLIGHTLY CHOPPY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SATURDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ330-130015-
MATAGORDA BAY-
644 AM CDT TUE AUG 12 2025
REST OF TODAY
WEST WINDS AROUND 5 KNOTS, BECOMING SOUTH THIS
AFTERNOON. BAY WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
LATE.
TONIGHT
SOUTH WINDS AROUND 10 KNOTS, BECOMING SOUTHWEST AFTER
MIDNIGHT. BAY WATERS SMOOTH TO SLIGHTLY CHOPPY, DIMINISHING TO
SMOOTH AFTER MIDNIGHT.
WEDNESDAY
WEST WINDS AROUND 10 KNOTS, BECOMING SOUTH 10 TO
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS
SLIGHTLY CHOPPY.
THURSDAY
SOUTH WINDS AROUND 10 KNOTS, INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY IN THE AFTERNOON.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY CHOPPY.
A CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS
SLIGHTLY CHOPPY.
SATURDAY
SOUTHEAST WINDS AROUND 10 KNOTS. BAY WATERS SMOOTH TO
SLIGHTLY CHOPPY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
AROUND 10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY,
DIMINISHING TO SMOOTH AFTER MIDNIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ350-355-130015-
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-
644 AM CDT TUE AUG 12 2025
REST OF TODAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING
NORTHWEST LATE THIS MORNING, THEN BECOMING NORTH EARLY THIS
AFTERNOON, BECOMING SOUTHEAST LATE. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SOUTH 1 FOOT AT 3 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS
EARLY THIS MORNING. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
LATE THIS MORNING AND EARLY AFTERNOON.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST AFTER
MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTH 1 FOOT AT
4 SECONDS.
WEDNESDAY
WEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTH 1 FOOT AT
4 SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTH 2 FEET AT 5 SECONDS.
THURSDAY
SOUTH WINDS AROUND 10 KNOTS. SEAS AROUND 2 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. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTH 3 FEET AT 5 SECONDS.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. A CHANCE
OF SHOWERS AND THUNDERSTORMS.
FRIDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
SATURDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. A CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
SATURDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO
3 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ370-375-130015-
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-
644 AM CDT TUE AUG 12 2025
REST OF TODAY
SOUTHWEST WINDS AROUND 10 KNOTS, BECOMING
NORTHWEST LATE THIS MORNING AND EARLY AFTERNOON, THEN BECOMING
EAST LATE. SEAS AROUND 2 FEET EARLY, THEN 1 FOOT OR LESS. WAVE
DETAIL: SOUTH 1 FOOT AT 3 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST AFTER
MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTH 1 FOOT AT
4 SECONDS.
WEDNESDAY
WEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. SEAS AROUND 2 FEET IN THE MORNING, THEN 1 FOOT OR
LESS. WAVE DETAIL: SOUTH 1 FOOT AT 4 SECONDS, BECOMING SOUTH
1 FOOT AT 5 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
WEDNESDAY NIGHT
SOUTH WINDS AROUND 10 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.
THURSDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A CHANCE OF THUNDERSTORMS
IN THE MORNING. A CHANCE OF SHOWERS.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTH 3 FEET AT 6 SECONDS.
FRIDAY
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET. A CHANCE
OF SHOWERS AND THUNDERSTORMS.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
SATURDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
SATURDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO
3 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page