857
FZUS54 KHGX 181755
CWFHGX
COASTAL WATERS FORECAST FOR TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1255 PM 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.
GMZ300-190615-
1255 PM CDT SUN OCT 18 2026
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM
INCLUDING GALVESTON AND MATAGORDA BAYS.
AS HIGH PRESSURE TRANSITIONS OFF TO OUR EAST, A LONG FETCH OF
MODERATE EASTERLY WINDS WILL SET UP ACROSS THE NORTHERN GULF COAST
THIS WEEK. SPEEDS WILL GENERALLY BE BETWEEN 10 AND 20 KNOTS AND
SEAS IN THE 3 TO 5 FOOT RANGE THROUGH MIDWEEK, THOUGH THERE COULD
BE SOME INTERMITTENT PERIODS OF SLIGHTLY HIGHER SPEEDS AND SEAS IN
THE OFFSHORE GULF WATERS WHICH COULD WARRANT CAUTION OR ADVISORY
FLAGS FOR SHORT TIME PERIODS.
GMZ335-190615-
GALVESTON BAY-
1255 PM CDT SUN OCT 18 2026
TODAY
NORTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
TONIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
MONDAY
NORTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
MONDAY NIGHT
NORTHEAST WINDS AROUND 10 KNOTS. BAY WATERS
SMOOTH TO SLIGHTLY CHOPPY.
TUESDAY
NORTHEAST WINDS AROUND 10 KNOTS. BAY WATERS SMOOTH TO
SLIGHTLY CHOPPY.
TUESDAY NIGHT
NORTHEAST WINDS AROUND 10 KNOTS. BAY WATERS
SMOOTH TO SLIGHTLY CHOPPY.
WEDNESDAY
EAST WINDS AROUND 10 KNOTS. BAY WATERS SMOOTH TO
SLIGHTLY CHOPPY.
WEDNESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. 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
NORTHEAST AROUND 5 KNOTS AFTER MIDNIGHT. BAY WATERS SMOOTH.
GMZ330-190615-
MATAGORDA BAY-
1255 PM CDT SUN OCT 18 2026
TODAY
NORTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
TONIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
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
NORTHEAST 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.
GMZ350-355-190615-
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-
1255 PM CDT SUN OCT 18 2026
TODAY
NORTHEAST WINDS 15 KNOTS. SEAS 3 TO 4 FEET. WAVE DETAIL:
NORTHEAST 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 KNOTS. SEAS 3 TO 5 FEET. WAVE
DETAIL: EAST 4 FEET AT 7 SECONDS.
MONDAY NIGHT
NORTHEAST WINDS 15 KNOTS. SEAS 3 TO 5 FEET. WAVE
DETAIL: EAST 4 FEET AT 8 SECONDS.
TUESDAY
NORTHEAST WINDS 15 KNOTS WITH GUSTS UP TO 20 KNOTS.
SEAS 3 TO 5 FEET. WAVE DETAIL: EAST 4 FEET AT 8 SECONDS.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET.
WAVE DETAIL: EAST 4 FEET AT 8 SECONDS.
WEDNESDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET.
WEDNESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
AROUND 10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 4 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.
GMZ370-375-190615-
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-
1255 PM CDT SUN OCT 18 2026
...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT
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 5 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT
6 SECONDS.
MONDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: EAST 5 FEET AT 7 SECONDS.
MONDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: EAST 5 FEET AT 8 SECONDS.
TUESDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: EAST 5 FEET AT 8 SECONDS. A
CHANCE OF SHOWERS 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 5 FEET AT 8 SECONDS. A CHANCE OF
SHOWERS IN THE EVENING.
WEDNESDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET.
WEDNESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 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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