328
FZUS54 KHGX 231143
CWFHGX
COASTAL WATERS FORECAST FOR TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
643 AM CDT SAT MAY 23 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.
GMZ300-240030-
643 AM CDT SAT MAY 23 2026
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM
INCLUDING GALVESTON AND MATAGORDA BAYS.
ROUNDS OF SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH THE
WEEKEND AND INTO MONDAY. A FEW THUNDERSTORMS ARE LIKELY TO PRODUCE
HEAVY RAINFALL, FREQUENT LIGHTNING, STRONG WIND GUSTS, AND LOCALLY
ROUGH SEAS. MARINERS, ESPECIALLY RECREATIONAL BOATERS, SHOULD
TAKE THIS INTO CONSIDERATION AND BE WEATHER AWARE. OTHERWISE,
EXPECT LIGHT TO MODERATE SOUTHEAST WINDS AND 2 TO 4 FOOT SEAS OVER
THE NEXT SEVERAL DAYS.
GMZ335-240030-
GALVESTON BAY-
643 AM CDT SAT MAY 23 2026
TODAY
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY. SHOWERS AND THUNDERSTORMS LIKELY.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY. SHOWERS AND THUNDERSTORMS.
SUNDAY
EAST WINDS AROUND 10 KNOTS. BAY WATERS SMOOTH TO
SLIGHTLY CHOPPY. SHOWERS AND THUNDERSTORMS LIKELY.
SUNDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
NORTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN
THE AFTERNOON. BAY WATERS SMOOTH. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
TUESDAY
SOUTH WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST 10 TO
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY IN THE AFTERNOON. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS
SLIGHTLY CHOPPY. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT.
WEDNESDAY
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY. SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE MORNING,
THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
AROUND 10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY,
DIMINISHING TO SMOOTH AFTER MIDNIGHT. A CHANCE OF THUNDERSTORMS.
A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER
MIDNIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ330-240030-
MATAGORDA BAY-
643 AM CDT SAT MAY 23 2026
TODAY
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS
EARLY THIS MORNING, THEN A CHANCE OF THUNDERSTORMS LATE THIS
MORNING AND AFTERNOON.
TONIGHT
EAST WINDS AROUND 10 KNOTS. BAY WATERS SMOOTH TO
SLIGHTLY CHOPPY. SHOWERS AND THUNDERSTORMS LIKELY.
SUNDAY
EAST WINDS AROUND 10 KNOTS. BAY WATERS SMOOTH TO
SLIGHTLY CHOPPY. SHOWERS AND THUNDERSTORMS LIKELY, MAINLY IN THE
MORNING.
SUNDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
MONDAY
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST IN THE
AFTERNOON. BAY WATERS SMOOTH. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING.
MONDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
TUESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS
SLIGHTLY CHOPPY. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT.
WEDNESDAY
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY.
WEDNESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
AROUND 10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY,
DIMINISHING TO SMOOTH AFTER MIDNIGHT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ350-355-240030-
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-
643 AM CDT SAT MAY 23 2026
TODAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
TONIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. SHOWERS AND THUNDERSTORMS
LIKELY.
SUNDAY
EAST WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. SHOWERS AND THUNDERSTORMS
LIKELY.
SUNDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST IN THE
AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT
6 SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
MONDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTHEAST 3 FEET AT 7 SECONDS.
TUESDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. A CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
WEDNESDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. A
CHANCE OF THUNDERSTORMS. SHOWERS LIKELY.
WEDNESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND
3 FEET. SHOWERS LIKELY. A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ370-375-240030-
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-
643 AM CDT SAT MAY 23 2026
TODAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
TONIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SHOWERS AND THUNDERSTORMS
LIKELY AFTER MIDNIGHT.
SUNDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. SHOWERS AND
THUNDERSTORMS, MAINLY IN THE MORNING.
SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS. A CHANCE OF SHOWERS
AND THUNDERSTORMS.
MONDAY
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST IN THE
AFTERNOON. SEAS 3 TO 4 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT
6 SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
MONDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND
3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 7 SECONDS.
TUESDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET. A CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
4 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
WEDNESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. A
CHANCE OF THUNDERSTORMS. SHOWERS LIKELY.
WEDNESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
4 FEET. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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