325
FZUS54 KHGX 212257
CWFHGX
COASTAL WATERS FORECAST FOR TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
557 PM CDT FRI AUG 21 2026
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.
GMZ300-221115-
557 PM CDT FRI AUG 21 2026
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM
INCLUDING GALVESTON AND MATAGORDA BAYS.
LIGHT TO OCCASIONALLY MODERATE SOUTH TO SOUTHWEST WINDS AND 2 TO
3 FOOT SEAS ARE EXPECTED OVER THE NEXT SEVERAL DAYS. WINDS MAY
OCCASIONALLY GUST UP TO 20 KNOTS DURING THE AFTERNOON IN THE BAYS,
AND DURING THE OVERNIGHT HOURS IN THE GULF. THUNDERSTORMS ARE
OCCURRING NORTH OF THE AREA THIS EVENING AND ARE LIKELY TO OCCUR
TO THE NORTH OF THE REGION AGAIN SATURDAY AFTERNOON AND EVENING.
CANNOT RULE OUT THESE STORMS PUSHING AS FAR SOUTH AS THE COAST.
GMZ335-221115-
GALVESTON BAY-
557 PM CDT FRI AUG 21 2026
REST OF TONIGHT
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHWEST
LATE. BAY WATERS SLIGHTLY CHOPPY, DIMINISHING TO SMOOTH TO
SLIGHTLY CHOPPY LATE. A SLIGHT CHANCE OF SHOWERS WITH ISOLATED
THUNDERSTORMS.
SATURDAY
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 SLIGHT CHANCE OF SHOWERS WITH
ISOLATED THUNDERSTORMS IN THE AFTERNOON.
SATURDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. BAY WATERS
SLIGHTLY CHOPPY.
SUNDAY
WEST WINDS AROUND 10 KNOTS, BECOMING SOUTH 10 TO
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY IN THE AFTERNOON.
SUNDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. BAY WATERS
SLIGHTLY CHOPPY.
MONDAY
SOUTHWEST WINDS AROUND 10 KNOTS, BECOMING SOUTH 10 TO
15 KNOTS WITH GUSTS UP TO 20 KNOTS IN THE AFTERNOON. BAY WATERS
SMOOTH, INCREASING TO SLIGHTLY CHOPPY IN THE AFTERNOON.
MONDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
TUESDAY
SOUTHWEST WINDS AROUND 10 KNOTS, BECOMING SOUTH 10 TO
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY IN THE AFTERNOON.
TUESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
WEDNESDAY
SOUTHWEST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS
SLIGHTLY CHOPPY.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ330-221115-
MATAGORDA BAY-
557 PM CDT FRI AUG 21 2026
REST OF TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS
SLIGHTLY CHOPPY.
SATURDAY
SOUTHWEST WINDS AROUND 10 KNOTS, BECOMING SOUTH 10 TO
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY IN THE AFTERNOON.
SATURDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
SUNDAY
SOUTHWEST WINDS AROUND 10 KNOTS, BECOMING SOUTH 10 TO
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY IN THE AFTERNOON.
SUNDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
MONDAY
SOUTHWEST WINDS AROUND 10 KNOTS, BECOMING SOUTH 10 TO
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY IN THE AFTERNOON.
MONDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
TUESDAY
SOUTH WINDS AROUND 10 KNOTS, INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY IN THE AFTERNOON.
TUESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS 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.
GMZ350-355-221115-
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-
557 PM CDT FRI AUG 21 2026
REST OF TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS. A SLIGHT CHANCE
OF SHOWERS WITH ISOLATED THUNDERSTORMS UNTIL EARLY MORNING.
SATURDAY
WEST WINDS AROUND 10 KNOTS, BECOMING SOUTHWEST 10 TO
15 KNOTS IN THE AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTH
2 FEET AT 4 SECONDS.
SATURDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS.
SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHWEST 2 FEET AT 4 SECONDS.
SUNDAY NIGHT
SOUTH WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS.
MONDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHWEST 2 FEET AT 4 SECONDS.
MONDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
TUESDAY
SOUTHWEST WINDS 10 TO 15 KNOTS, BECOMING SOUTH AROUND
10 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET.
TUESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WEDNESDAY
SOUTHWEST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
AROUND 10 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ370-375-221115-
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-
557 PM CDT FRI AUG 21 2026
REST OF TONIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS.
SATURDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHWEST 2 FEET AT 4 SECONDS.
SATURDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTHWEST 2 FEET AT 4 SECONDS.
SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET IN
THE MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: SOUTHWEST 2 FEET
AT 4 SECONDS, BECOMING SOUTHWEST 1 FOOT AT 4 SECONDS.
SUNDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHWEST 1 FOOT AT 4 SECONDS.
MONDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHWEST 1 FOOT AT 4 SECONDS.
MONDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
TUESDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
TUESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WEDNESDAY
SOUTHWEST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
AROUND 10 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
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