460
FZUS54 KHGX 181016
CWFHGX
COASTAL WATERS FORECAST FOR TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
516 AM CDT SUN OCT 18 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.
GMZ300-182330-
516 AM CDT SUN OCT 18 2026
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM
INCLUDING GALVESTON AND MATAGORDA BAYS.
NORTHEASTERLY TO EAST-NORTHEASTERLY WINDS EXPECTED TO REMAIN
ELEVATED IN THE GULF WATERS AND GALVESTON BAY THROUGH THIS
MORNING. WINDS AND SEAS WILL GRADUALLY SUBSIDE LATER THIS
AFTERNOON. MODERATE EAST WINDS ARE EXPECTED FOR THE FIRST HALF OF
THE UPCOMING WEEK AND MAY REACH 20 KNOTS AT TIMES. DUE TO THE
ELEVATED WINDS, SEAS ARE EXPECTED TO BE IN THE 3 TO 6 FT RANGE.
CAUTION FLAGS OR SMALL CRAFT ADVISORIES MAY BE NEEDED AT TIMES.
GMZ335-182330-
GALVESTON BAY-
516 AM CDT SUN OCT 18 2026
...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 10 AM CDT
THIS MORNING...
TODAY
NORTHEAST WINDS AROUND 15 KNOTS WITH GUSTS UP TO 20
KNOTS, DIMINISHING TO AROUND 10 KNOTS THIS AFTERNOON. BAY WATERS
SLIGHTLY CHOPPY, DIMINISHING TO SMOOTH THIS AFTERNOON.
TONIGHT
EAST WINDS AROUND 10 KNOTS, BECOMING NORTHEAST 10 TO
15 KNOTS AFTER MIDNIGHT. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY AFTER MIDNIGHT.
MONDAY
NORTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
MONDAY NIGHT
EAST WINDS AROUND 10 KNOTS, BECOMING NORTHEAST
10 TO 15 KNOTS AFTER MIDNIGHT. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY AFTER MIDNIGHT.
TUESDAY
EAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY CHOPPY.
TUESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
WEDNESDAY NIGHT
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING
NORTHEAST AFTER MIDNIGHT. BAY WATERS SMOOTH.
THURSDAY
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST IN THE
AFTERNOON. BAY WATERS SMOOTH.
THURSDAY NIGHT
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING EAST
AFTER MIDNIGHT. BAY WATERS SMOOTH.
GMZ330-182330-
MATAGORDA BAY-
516 AM CDT SUN OCT 18 2026
TODAY
NORTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS, DIMINISHING TO AROUND 10 KNOTS THIS AFTERNOON. BAY
WATERS SLIGHTLY CHOPPY, DIMINISHING TO SMOOTH THIS AFTERNOON.
TONIGHT
NORTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
MONDAY
NORTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
MONDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS
SLIGHTLY CHOPPY.
TUESDAY
NORTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
WEDNESDAY
EAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
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
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST IN THE
AFTERNOON. BAY WATERS SMOOTH.
THURSDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH.
GMZ350-355-182330-
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-
516 AM CDT SUN OCT 18 2026
...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT THROUGH THIS
EVENING...
TODAY
NORTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS, DIMINISHING TO AROUND 15 KNOTS WITH GUSTS UP TO
20 KNOTS THIS AFTERNOON. SEAS 3 TO 5 FEET. WAVE DETAIL: EAST
5 FEET AT 7 SECONDS.
TONIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET. WAVE
DETAIL: EAST 3 FEET AT 6 SECONDS.
MONDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET. WAVE
DETAIL: EAST 4 FEET AT 7 SECONDS.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET. WAVE
DETAIL: EAST 4 FEET AT 7 SECONDS.
TUESDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET. WAVE
DETAIL: EAST 4 FEET AT 8 SECONDS.
TUESDAY NIGHT
EAST WINDS 15 TO 20 KNOTS, DIMINISHING TO AROUND
15 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET. WAVE DETAIL: EAST
5 FEET AT 8 SECONDS.
WEDNESDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
WEDNESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
AROUND 10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET.
THURSDAY
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
THURSDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
GMZ370-375-182330-
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-
516 AM CDT SUN OCT 18 2026
...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT THROUGH THIS
EVENING...
TODAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET. WAVE
DETAIL: NORTHEAST 5 FEET AT 7 SECONDS.
TONIGHT
NORTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 3 TO 4 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT
6 SECONDS. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
MONDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET. WAVE
DETAIL: EAST 5 FEET AT 7 SECONDS.
MONDAY NIGHT
EAST WINDS AROUND 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 4 TO 5 FEET. WAVE DETAIL: EAST 5 FEET AT
8 SECONDS.
TUESDAY
EAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO 25 KNOTS.
SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: EAST
6 FEET AT 8 SECONDS. A CHANCE OF SHOWERS IN THE MORNING, THEN A
CHANCE OF RAIN IN THE AFTERNOON.
TUESDAY NIGHT
EAST WINDS 15 TO 20 KNOTS, DIMINISHING TO AROUND
15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 FEET. WAVE DETAIL: EAST 6 FEET AT 8 SECONDS.
WEDNESDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
WEDNESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
AROUND 10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET.
THURSDAY
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET.
THURSDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
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