000
FZUS54 KHGX 201741 AAA
CWFHGX
COASTAL WATERS FORECAST FOR TEXAS...UPDATED
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1241 PM CDT SUN SEP 20 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.
GMZ300-210615-
1241 PM CDT SUN SEP 20 2026
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM
INCLUDING GALVESTON AND MATAGORDA BAYS.
SOUTHEAST WINDS PEAKING AROUND 10 KTS ARE EXPECTED TODAY AND MONDAY.
THESE WILL BACK TO NORTHEASTERLY TUESDAY AND VEER DUE EASTERLY
WEDNESDAY/THURSDAY SUSTAINED AT 15-20 KTS, BEFORE SLIGHTLY
DIMINISHING THEREAFTER. SEAS OF 1 TO 4 FT WILL PERSIST, HIGHEST ON
THURSDAY AFTERNOON. ISOLATED-TO-SCATTERED COASTAL AND OFFSHORE
THUNDERSTORMS ARE EXPECTED EACH DAY, SLIGHTLY TAPERING OFF TOWARDS
THE END OF THE WEEK.
GMZ335-210615-
GALVESTON BAY-
1241 PM CDT SUN SEP 20 2026
THIS AFTERNOON
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
MONDAY
NORTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN
THE AFTERNOON. BAY WATERS SMOOTH.
MONDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST
AFTER MIDNIGHT. BAY WATERS SMOOTH.
TUESDAY
NORTH WINDS 5 TO 10 KNOTS, BECOMING EAST IN THE
AFTERNOON. BAY WATERS SMOOTH.
TUESDAY NIGHT
SOUTHEAST WINDS AROUND 5 KNOTS. BAY WATERS
SMOOTH.
WEDNESDAY
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST IN THE
AFTERNOON. BAY WATERS SMOOTH.
WEDNESDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING EAST
10 TO 15 KNOTS AFTER MIDNIGHT. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY AFTER MIDNIGHT.
THURSDAY
NORTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
THURSDAY NIGHT
EAST WINDS AROUND 10 KNOTS, BECOMING NORTHEAST
10 TO 15 KNOTS AFTER MIDNIGHT. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY AFTER MIDNIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ330-210615-
MATAGORDA BAY-
1241 PM CDT SUN SEP 20 2026
THIS AFTERNOON
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO AROUND
10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY, DIMINISHING
TO SMOOTH AFTER MIDNIGHT.
MONDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
MONDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
TUESDAY
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
TUESDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH.
WEDNESDAY
NORTHEAST WINDS AROUND 10 KNOTS, BECOMING EAST 10 TO
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY IN THE AFTERNOON.
WEDNESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
AROUND 10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY,
DIMINISHING TO SMOOTH AFTER MIDNIGHT.
THURSDAY
EAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
THURSDAY NIGHT
EAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
AROUND 10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY,
DIMINISHING TO SMOOTH AFTER MIDNIGHT.
GMZ350-355-210615-
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-
1241 PM CDT SUN SEP 20 2026
THIS AFTERNOON
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS. A SLIGHT CHANCE OF
SHOWERS LATE.
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS.
MONDAY
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.
MONDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTHEAST 1 FOOT AT 5 SECONDS.
TUESDAY
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET IN
THE MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: SOUTHEAST 1 FOOT
AT 5 SECONDS, BECOMING SOUTHEAST 1 FOOT AT 4 SECONDS.
TUESDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND
2 FEET IN THE EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: EAST
1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT.
WEDNESDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.
WEDNESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
THURSDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET.
THURSDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ370-375-210615-
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-
1241 PM CDT SUN SEP 20 2026
THIS AFTERNOON
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS. A SLIGHT CHANCE OF
THUNDERSTORMS EARLY. A SLIGHT CHANCE OF SHOWERS.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO AROUND
10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST
2 FEET AT 6 SECONDS.
MONDAY
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.
MONDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.
TUESDAY
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 4 SECONDS. A CHANCE OF SHOWERS
IN THE MORNING.
TUESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: EAST 2 FEET AT 4 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
WEDNESDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WEDNESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET.
THURSDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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