187
FZUS54 KHGX 141700
CWFHGX
COASTAL WATERS FORECAST FOR TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1200 PM CDT SUN SEP 14 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.
GMZ300-150515-
1200 PM CDT SUN SEP 14 2025
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM
INCLUDING GALVESTON AND MATAGORDA BAYS.
AN OUTFLOW BOUNDARY APPROACHING FROM THE EAST WILL RESULT IN
BRIEF, GUSTY EAST TO SOUTHEAST WINDS AS IT PUSHES THROUGH THE
REGION OVER THE NEXT FEW HOURS. SOME UNCERTAINTY AS TO WHETHER IT
WILL REACH AS FAR WEST AS MATAGORDA BAY. THE BOUNDARY IS EXPECTED
TO SPARK WIDELY SCATTERED SHOWERS AND THUNDERSTORMS. THROUGH THE
REST OF THE FORECAST PERIOD, WE ARE EXPECTED LIGHT TO MODERATE
EAST TO SOUTHEAST WINDS AND 2 TO 4 FOOT SEAS. SWELL MAY BE
SOMEWHAT HIGHER MONDAY AND TUESDAY DUE TO A STRONGER WIND FETCH
OVER THE GULF. WINDS ON MONDAY AND TUESDAY COULD GUST OVER 20
KNOTS AT TIMES IN THE OPEN GULF WATERS. WATER LEVELS WILL SKEW ON
THE HIGH SIDE, LIKELY BETWEEN 3 AND 3.5 FEET ABOVE MEAN LOWER LOW
WATER DURING HIGH TIDE CYCLES THIS WEEK.
GMZ335-150515-
GALVESTON BAY-
1200 PM CDT SUN SEP 14 2025
THIS AFTERNOON
NORTHEAST WINDS AROUND 5 KNOTS, BECOMING
SOUTHEAST. BAY WATERS SMOOTH. A CHANCE OF SHOWERS WITH ISOLATED
THUNDERSTORMS EARLY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
LATE.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
MONDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
MONDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
TUESDAY
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST IN THE
AFTERNOON. BAY WATERS SMOOTH.
TUESDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
WEDNESDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH.
THURSDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
THURSDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ330-150515-
MATAGORDA BAY-
1200 PM CDT SUN SEP 14 2025
THIS AFTERNOON
SOUTHEAST WINDS AROUND 10 KNOTS, INCREASING TO
10 TO 15 KNOTS LATE. BAY WATERS SMOOTH, INCREASING TO SLIGHTLY
CHOPPY LATE. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO AROUND
10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY, DIMINISHING
TO SMOOTH AFTER MIDNIGHT.
MONDAY
EAST 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.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS, DIMINISHING TO AROUND 10 KNOTS AFTER MIDNIGHT. BAY
WATERS SLIGHTLY CHOPPY, DIMINISHING TO SMOOTH AFTER MIDNIGHT.
TUESDAY
EAST 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.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS, BECOMING SOUTHEAST AROUND 10 KNOTS AFTER MIDNIGHT. BAY
WATERS SLIGHTLY CHOPPY, DIMINISHING TO SMOOTH AFTER MIDNIGHT.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
WEDNESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
AROUND 10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY,
DIMINISHING TO SMOOTH AFTER MIDNIGHT.
THURSDAY
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A CHANCE
OF SHOWERS.
THURSDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ350-355-150515-
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-
1200 PM CDT SUN SEP 14 2025
THIS AFTERNOON
EAST WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST
10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS
WITH ISOLATED THUNDERSTORMS EARLY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO AROUND
10 KNOTS AFTER MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL:
SOUTHEAST 2 FEET AT 5 SECONDS.
MONDAY
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING EAST 10 TO
15 KNOTS IN THE AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL:
SOUTHEAST 2 FEET AT 5 SECONDS.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTHEAST 3 FEET AT 5 SECONDS.
TUESDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
WEDNESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET.
THURSDAY
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. A
CHANCE OF SHOWERS IN THE AFTERNOON.
THURSDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND
2 FEET. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ370-375-150515-
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-
1200 PM CDT SUN SEP 14 2025
THIS AFTERNOON
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF
SHOWERS EARLY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 5 SECONDS.
MONDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: EAST 3 FEET AT 5 SECONDS.
TUESDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET. WAVE
DETAIL: EAST 3 FEET AT 6 SECONDS. A CHANCE OF SHOWERS IN THE
AFTERNOON.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
WAVE DETAIL: EAST 3 FEET AT 6 SECONDS.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
WEDNESDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO
3 FEET.
THURSDAY
EAST WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET. A
CHANCE OF SHOWERS.
THURSDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND
2 FEET. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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