590
FZUS54 KHGX 221711
CWFHGX
COASTAL WATERS FORECAST FOR TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1211 PM CDT SAT AUG 22 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.
GMZ300-230615-
1211 PM CDT SAT AUG 22 2026
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM
INCLUDING GALVESTON AND MATAGORDA BAYS.
SOUTHWEST TO WEST WINDS LATE AT NIGHT AND IN THE MORNINGS WILL
BECOME SOUTH 10 TO 15 KNOTS DURING THE DAY AS THE SEABREEZE KICKS
IN. SEAS WILL BE ON THE LOW SIDE...1 TO 3 FEET.
GMZ335-230615-
GALVESTON BAY-
1211 PM CDT SAT AUG 22 2026
THIS AFTERNOON
WEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH 10 TO
15 KNOTS. BAY WATERS SMOOTH, INCREASING TO SLIGHTLY CHOPPY LATE.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHWEST AROUND
10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY, DIMINISHING
TO SMOOTH AFTER MIDNIGHT.
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, BECOMING SOUTH IN
THE AFTERNOON. BAY WATERS SLIGHTLY CHOPPY.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS
SLIGHTLY CHOPPY.
GMZ330-230615-
MATAGORDA BAY-
1211 PM CDT SAT AUG 22 2026
THIS AFTERNOON
SOUTHWEST WINDS AROUND 10 KNOTS, BECOMING SOUTH
AND INCREASING TO 10 TO 15 KNOTS. BAY WATERS SMOOTH, INCREASING
TO SLIGHTLY CHOPPY LATE.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. BAY WATERS SMOOTH.
SUNDAY NIGHT
SOUTH WINDS AROUND 10 KNOTS. BAY WATERS SMOOTH TO
SLIGHTLY CHOPPY.
MONDAY
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
MONDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
TUESDAY
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
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.
GMZ350-355-230615-
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-
1211 PM CDT SAT AUG 22 2026
THIS AFTERNOON
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2
FEET. WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS.
TONIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS.
SUNDAY
WEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTHWEST 2 FEET AT
4 SECONDS.
SUNDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS.
MONDAY
SOUTHWEST WINDS 10 TO 15 KNOTS, BECOMING SOUTH AROUND
10 KNOTS IN THE AFTERNOON. 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.
WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS.
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. SEAS 2 TO 3 FEET.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
GMZ370-375-230615-
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-
1211 PM CDT SAT AUG 22 2026
THIS AFTERNOON
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTHWEST 1 FOOT AT 4 SECONDS.
TONIGHT
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.
WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS.
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, DIMINISHING TO
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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