759
FZUS54 KHGX 081139
CWFHGX
COASTAL WATERS FORECAST FOR TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
639 AM CDT SAT AUG 8 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.
GMZ300-090015-
639 AM CDT SAT AUG 8 2026
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM
INCLUDING GALVESTON AND MATAGORDA BAYS.
LIGHT TO OCCASIONALLY MODERATE SOUTH AND SOUTHEAST WINDS, AND 2-4
FOOT SEAS ARE EXPECTED OVER THE NEXT SEVERAL DAYS. ISOLATED TO
SCATTERED SHOWERS AND THUNDERSTORMS IS EXPECTED TO DEVELOP EACH
DAY, WITH THE BEST CHANCES OCCURRING FROM EARLY MORNING THROUGH
EARLY AFTERNOON. SHOWER AND THUNDERSTORM ACTIVITY COULD BE MORE
WIDESPREAD ON MONDAY.
GMZ335-090015-
GALVESTON BAY-
639 AM CDT SAT AUG 8 2026
TODAY
EAST WINDS AROUND 5 TO 10 KNOTS, BECOMING SOUTHEAST THIS
AFTERNOON. BAY WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THIS MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS THIS AFTERNOON.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
A CHANCE OF THUNDERSTORMS IN THE EVENING. A CHANCE OF SHOWERS.
MONDAY
SOUTH WINDS AROUND 10 KNOTS, INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY IN THE AFTERNOON. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS IN THE MORNING.
MONDAY NIGHT
SOUTH WINDS AROUND 10 KNOTS. BAY WATERS SMOOTH TO
SLIGHTLY CHOPPY.
TUESDAY
SOUTH WINDS AROUND 10 KNOTS, INCREASING TO 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
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS
SLIGHTLY CHOPPY.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ330-090015-
MATAGORDA BAY-
639 AM CDT SAT AUG 8 2026
TODAY
SOUTHEAST WINDS AROUND 5 TO 10 KNOTS. BAY WATERS SMOOTH.
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO AROUND
10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY, DIMINISHING
TO SMOOTH AFTER MIDNIGHT.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
AROUND 10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY,
DIMINISHING TO SMOOTH AFTER MIDNIGHT.
MONDAY
SOUTH WINDS AROUND 10 KNOTS, INCREASING TO 10 TO
15 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
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 15 TO 20 KNOTS. BAY WATERS CHOPPY.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ350-355-090015-
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-
639 AM CDT SAT AUG 8 2026
TODAY
SOUTHEAST WINDS AROUND 5 TO 10 KNOTS, BECOMING EAST THIS
AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
5 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS.
MONDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING.
MONDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 5 SECONDS.
TUESDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
TUESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WEDNESDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WEDNESDAY NIGHT
SOUTH WINDS 15 TO 20 KNOTS. SEAS 3 TO 4 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ370-375-090015-
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-
639 AM CDT SAT AUG 8 2026
TODAY
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS.
TONIGHT
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF
SHOWERS IN THE EVENING.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS.
MONDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING.
MONDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 5 SECONDS.
TUESDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
TUESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WEDNESDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET.
WEDNESDAY NIGHT
SOUTH WINDS AROUND 15 KNOTS, INCREASING TO
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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