026
FZUS54 KHGX 271002
CWFHGX
COASTAL WATERS FORECAST FOR TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
502 AM CDT MON APR 27 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.
GMZ300-272315-
502 AM CDT MON APR 27 2026
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM
INCLUDING GALVESTON AND MATAGORDA BAYS.
LIGHT TO MODERATE SOUTHEASTERLY WINDS WILL CONTINUE OVER THE NEXT
SEVERAL DAYS. ELEVATED WATER LEVELS AROUND 2.5 TO 3.0 FEET ABOVE
MLLW ARE STILL EXPECTED AT EACH HIGH TIDE CYCLE THROUGH EARLY THIS
WEEK. A SLIGHT INCREASE IN WINDS AND SEAS IS EXPECTED BEGINNING
AROUND TUESDAY. ISOLATED SHOWERS AND THUNDERSTORMS WILL BE
POSSIBLE EACH DAY WITH HIGHER RAIN CHANCES WEDNESDAY THROUGH THE
END OF THE WORK WEEK. A MODEST COLD FRONT SHOULD BRING MODERATE TO
STRONG OFFSHORE WINDS FRIDAY NIGHT INTO THE WEEKEND, LIKELY
WARRANTING AT LEAST SMALL CRAFT ADVISORIES.
GMZ335-272315-
GALVESTON BAY-
502 AM CDT MON APR 27 2026
TODAY
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY CHOPPY.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
TUESDAY
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS.
BAY WATERS SLIGHTLY CHOPPY.
TUESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
WEDNESDAY
SOUTH WINDS AROUND 10 KNOTS, INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST
AROUND 10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY,
DIMINISHING TO SMOOTH AFTER MIDNIGHT.
THURSDAY
EAST WINDS AROUND 10 KNOTS, INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY IN THE AFTERNOON. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
THURSDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
FRIDAY
EAST WINDS AROUND 20 KNOTS, BECOMING SOUTHEAST 20 TO
25 KNOTS IN THE AFTERNOON. BAY WATERS CHOPPY, INCREASING TO ROUGH
IN THE AFTERNOON. A CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS
IN THE MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON.
FRIDAY NIGHT
NORTHEAST WINDS 20 TO 25 KNOTS. BAY WATERS ROUGH.
SHOWERS LIKELY, MAINLY IN THE EVENING.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ330-272315-
MATAGORDA BAY-
502 AM CDT MON APR 27 2026
TODAY
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
25 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
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING EAST
AROUND 10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY,
DIMINISHING TO SMOOTH AFTER MIDNIGHT.
THURSDAY
EAST WINDS AROUND 10 KNOTS, INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY IN THE AFTERNOON.
THURSDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS
CHOPPY.
FRIDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY NIGHT
NORTHEAST WINDS 20 TO 25 KNOTS. BAY WATERS ROUGH.
A CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ350-355-272315-
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-
502 AM CDT MON APR 27 2026
TODAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 5 SECONDS.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 4 FEET.
WAVE DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS.
TUESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS AROUND 4 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT
7 SECONDS.
WEDNESDAY
SOUTH WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET. WAVE
DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS.
WEDNESDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO
4 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 7 SECONDS.
THURSDAY
EAST WINDS AROUND 10 KNOTS, INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET.
THURSDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 4 FEET.
FRIDAY
SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 3 TO 5 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY NIGHT
EAST WINDS 20 TO 25 KNOTS, BECOMING NORTHEAST
AROUND 30 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 FEET. SHOWERS LIKELY, MAINLY IN THE EVENING.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ370-375-272315-
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-
502 AM CDT MON APR 27 2026
TODAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 4 TO 5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT
6 SECONDS.
TUESDAY
SOUTHEAST WINDS AROUND 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 4 TO 5 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT
7 SECONDS.
TUESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 4 TO 5 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT
7 SECONDS.
WEDNESDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET. WAVE
DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS.
WEDNESDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO
4 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS.
THURSDAY
EAST WINDS AROUND 10 KNOTS, INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. SEAS AROUND 3 FEET.
THURSDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 4 FEET.
FRIDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET. A
CHANCE OF SHOWERS IN THE AFTERNOON.
FRIDAY NIGHT
EAST WINDS 20 TO 25 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. SHOWERS LIKELY, MAINLY IN THE EVENING.
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