980
FZUS54 KHGX 170518
CWFHGX
COASTAL WATERS FORECAST FOR TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1218 AM CDT SAT OCT 17 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.
GMZ300-171830-
1218 AM CDT SAT OCT 17 2026
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM
INCLUDING GALVESTON AND MATAGORDA BAYS.
SUSTAINED WINDS BETWEEN 25 AND 35 KNOTS, ALONG WITH SOME HIGHER
GUSTS, ACROSS THE CENTRAL AND SOUTHERN BAYS AND GULF WATERS, WILL
BEGIN TAPERING DOWN AS WE HEAD INTO THE MID AND LATE MORNING
HOURS. WINDS AND SEAS WILL CONTINUE TO DIMINISH FOR THE REMAINDER
OF THE DAY...THOUGH REMAIN FAIRLY ELEVATED IN THE GULF THROUGH
SUNDAY. WINDS WILL VEER TO THE EAST EARLY NEXT WEEK AND SET UP A
MODERATE FETCH ACROSS THE NORTHERN GULF COAST FOR MUCH OF THE
WEEK.
GMZ335-171830-
GALVESTON BAY-
1218 AM CDT SAT OCT 17 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
REST OF TONIGHT
NORTH WINDS 20 KNOTS ACROSS THE NORTHERN BAY
AND 25 TO 35 KNOTS ACROSS THE SOUTHERN BAY. BAY WATERS ROUGH.
SATURDAY
NORTHEAST WINDS 20 TO 25 KNOTS, BECOMING NORTH 15 TO 20
KNOTS IN THE AFTERNOON. BAY WATERS ROUGH, DIMINISHING TO CHOPPY
IN THE AFTERNOON.
SATURDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. BAY WATERS SLIGHTLY CHOPPY.
SUNDAY
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO AROUND
10 KNOTS IN THE AFTERNOON. BAY WATERS CHOPPY, DIMINISHING TO
SMOOTH IN THE AFTERNOON.
SUNDAY NIGHT
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
EAST WINDS AROUND 5 KNOTS. BAY WATERS SMOOTH.
GMZ355-171830-
COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-
1218 AM CDT SAT OCT 17 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
REST OF TONIGHT
NORTHEAST WINDS 25 TO 35 KNOTS WITH GUSTS UP
TO 40 KNOTS. SEAS 5 TO 8 FEET, OCCASIONALLY TO 10 FEET. WAVE
DETAIL: NORTHEAST 7 FEET AT 5 SECONDS.
SATURDAY
NORTHEAST WINDS AROUND 30 KNOTS, BECOMING NORTH
15 TO 20 KNOTS IN THE AFTERNOON. SEAS 6 TO 9 FEET, OCCASIONALLY
TO 11 FEET, SUBSIDING TO 5 TO 7 FEET, OCCASIONALLY TO 9 FEET IN
THE AFTERNOON. WAVE DETAIL: NORTHEAST 7 FEET AT 6 SECONDS,
BECOMING NORTHEAST 6 FEET AT 6 SECONDS.
SATURDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6
FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL:
NORTHEAST 5 FEET AT 6 SECONDS.
SUNDAY
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO AROUND
15 KNOTS IN THE AFTERNOON. SEAS 3 TO 5 FEET. WAVE DETAIL: EAST
4 FEET AT 6 SECONDS.
SUNDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET. WAVE
DETAIL: EAST 2 FEET AT 6 SECONDS.
MONDAY
NORTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 3 TO 5 FEET. WAVE DETAIL: EAST 3 FEET AT
7 SECONDS.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET.
TUESDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
WEDNESDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WEDNESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
GMZ375-171830-
WATERS FROM HIGH ISLAND TO FREEPORT TX FROM 20 TO 60 NM-
1218 AM CDT SAT OCT 17 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
REST OF TONIGHT
NORTHEAST WINDS 25 TO 35 KNOTS WITH GUSTS UP
TO 40 KNOTS. SEAS 8 TO 11 FEET, OCCASIONALLY TO 14 FEET. WAVE
DETAIL: NORTHEAST 10 FEET AT 7 SECONDS.
SATURDAY
NORTHEAST WINDS AROUND 25 TO 30 KNOTS WITH GUSTS UP
TO 40 KNOTS, DIMINISHING TO 20 TO 25 KNOTS IN THE AFTERNOON. SEAS
9 TO 12 FEET, OCCASIONALLY TO 15 FEET. WAVE DETAIL: NORTHEAST 10
FEET AT 7 SECONDS.
SATURDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 6 TO 9 FEET, OCCASIONALLY TO 11 FEET, SUBSIDING TO
5 TO 6 FEET, OCCASIONALLY TO 8 FEET AFTER MIDNIGHT. WAVE DETAIL:
NORTHEAST 7 FEET AT 7 SECONDS, BECOMING EAST 5 FEET AT 7 SECONDS.
SUNDAY
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO AROUND
15 KNOTS IN THE AFTERNOON. SEAS 4 TO 5 FEET. WAVE DETAIL: EAST
4 FEET AT 7 SECONDS.
SUNDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 3 TO 5 FEET. WAVE DETAIL: EAST 4 FEET AT
6 SECONDS.
MONDAY
NORTHEAST WINDS AROUND 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL:
EAST 5 FEET AT 7 SECONDS.
MONDAY NIGHT
EAST WINDS AROUND 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET, SUBSIDING TO
4 TO 5 FEET AFTER MIDNIGHT.
TUESDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET.
TUESDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET.
WEDNESDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
WEDNESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
GMZ330-171830-
MATAGORDA BAY-
1218 AM CDT SAT OCT 17 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
REST OF TONIGHT
NORTH WINDS 20 KNOTS ACROSS THE NORTHERN BAY
AND 25 TO 35 KNOTS ACROSS THE SOUTHERN BAY. BAY WATERS ROUGH.
SATURDAY
NORTH WINDS 20 TO 25 KNOTS WITH GUSTS UP TO 30 KNOTS,
DIMINISHING TO 15 TO 20 KNOTS IN THE AFTERNOON. BAY WATERS ROUGH,
DIMINISHING TO CHOPPY IN THE AFTERNOON.
SATURDAY NIGHT
NORTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. BAY WATERS SLIGHTLY CHOPPY.
SUNDAY
NORTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS, DIMINISHING TO AROUND 10 KNOTS IN THE AFTERNOON. BAY
WATERS SLIGHTLY CHOPPY, DIMINISHING TO SMOOTH IN THE AFTERNOON.
SUNDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
AROUND 10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY,
DIMINISHING TO SMOOTH AFTER MIDNIGHT.
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. A CHANCE OF SHOWERS IN THE AFTERNOON.
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.
GMZ350-171830-
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT
20 NM-
1218 AM CDT SAT OCT 17 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
REST OF TONIGHT
NORTH WINDS 25 TO 35 KNOTS WITH GUSTS UP TO 40
KNOTS. SEAS 6 TO 9 FEET, OCCASIONALLY TO 11 FEET. WAVE DETAIL:
NORTHEAST 8 FEET AT 6 SECONDS.
SATURDAY
NORTHEAST WINDS 25 TO 30 KNOTS, BECOMING NORTH NEAR 20
KNOTS IN THE AFTERNOON. SEAS 6 TO 9 FEET, OCCASIONALLY TO 11 FEET.
WAVE DETAIL: NORTHEAST 8 FEET AT 8 SECONDS.
SATURDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7
FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL:
EAST 5 FEET AT 8 SECONDS.
SUNDAY
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO AROUND
15 KNOTS IN THE AFTERNOON. SEAS 3 TO 5 FEET. WAVE DETAIL: EAST
4 FEET AT 7 SECONDS.
SUNDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
WAVE DETAIL: EAST 3 FEET AT 7 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 15 TO 20 KNOTS, DIMINISHING TO AROUND
15 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET.
TUESDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET. A
CHANCE OF SHOWERS.
TUESDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET.
WEDNESDAY
EAST 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.
GMZ370-171830-
WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX FROM 20 TO
60 NM-
1218 AM CDT SAT OCT 17 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
REST OF TONIGHT
NORTHEAST WINDS 25 TO 35 KNOTS WITH GUSTS UP
TO 40 KNOTS. SEAS 9 TO 12 FEET, OCCASIONALLY TO 15 FEET. WAVE
DETAIL: NORTHEAST 11 FEET AT 7 SECONDS.
SATURDAY
NORTHEAST WINDS 25 TO 30 KNOTS WITH GUSTS UP TO 40
KNOTS, DIMINISHING TO 20 TO 25 KNOTS IN THE AFTERNOON. SEAS 9 TO
13 FEET, OCCASIONALLY TO 17 FEET. WAVE DETAIL: NORTHEAST 11 FEET
AT 8 SECONDS.
SATURDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 9
FEET, OCCASIONALLY TO 11 FEET, SUBSIDING TO 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET AFTER MIDNIGHT. WAVE DETAIL:
NORTHEAST 7 FEET AT 8 SECONDS, BECOMING NORTHEAST 6 FEET AT
7 SECONDS.
SUNDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT
7 SECONDS.
SUNDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET.
WAVE DETAIL: NORTHEAST 4 FEET AT 7 SECONDS.
MONDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT
6 SECONDS.
MONDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, BECOMING EAST
AROUND 15 KNOTS AFTER MIDNIGHT. SEAS 5 TO 6 FEET, OCCASIONALLY TO
8 FEET. A CHANCE OF SHOWERS AFTER MIDNIGHT.
TUESDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET. A CHANCE
OF SHOWERS.
TUESDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET.
WEDNESDAY
EAST WINDS AROUND 15 KNOTS. SEAS 3 TO 5 FEET.
WEDNESDAY NIGHT
EAST WINDS AROUND 15 KNOTS, DIMINISHING TO
AROUND 10 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET.
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