Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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583
FZUS54 KHGX 201537
CWFHGX

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
937 AM CST FRI JAN 20 2017

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.

GMZ300-210430-
SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60
NAUTICAL MILES INCLUDING GALVESTON AND MATAGORDA BAYS
937 AM CST FRI JAN 20 2017

.SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM...
LIGHT TO MODERATE SOUTH TO SOUTHWEST WINDS WILL PERSIST UNTIL A STRONG
COLD FRONT MOVES THROUGH THE AREA SATURDAY NIGHT THROUGH EARLY SUNDAY
MORNING. PATCHY FOG...POTENTIALLY DENSE IN SPOTS...WILL CONTINUE TO
BE POSSIBLE UNTIL WINDS BECOME MORE SOUTHWESTERLY AND LESS CONDUCIVE
TO FOG. A GALE WATCH IS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY
EVENING FOR THE VERY STRONG AND GUSTY WEST TO NORTHWEST WINDS AND ROUGH
SEAS THAT ARE EXPECTED BEHIND THE FRONT...AND GALE WARNINGS MIGHT BE
NEEDED. LOOK FOR GRADUALLY DECREASING WINDS AND SEAS SUNDAY NIGHT THROUGH
MONDAY.

$$

GMZ330-335-210430-
MATAGORDA BAY-GALVESTON BAY-
937 AM CST FRI JAN 20 2017

...GALE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY EVENING...

.REST OF TODAY...SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST IN
THE AFTERNOON. BAY WATERS SMOOTH. PATCHY FOG LATE IN THE MORNING.
A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST AFTER MIDNIGHT.
BAY WATERS SMOOTH. SHOWERS AND THUNDERSTORMS LIKELY IN THE EVENING...
THEN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT.
.SATURDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. PATCHY
FOG EARLY IN THE MORNING. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE MORNING. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
.SATURDAY NIGHT...SOUTHWEST WINDS AROUND 10 KNOTS BECOMING WEST 20 TO
25 KNOTS AFTER MIDNIGHT. BAY WATERS SMOOTH TO SLIGHTLY CHOPPY BECOMING
ROUGH AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
.SUNDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 20 TO 25 KNOTS
IN THE AFTERNOON. BAY WATERS CHOPPY BECOMING ROUGH IN THE AFTERNOON.
.SUNDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS DECREASING TO 10 TO 15
KNOTS AFTER MIDNIGHT. BAY WATERS CHOPPY BECOMING SLIGHTLY CHOPPY AFTER
MIDNIGHT.
.MONDAY...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO 10
KNOTS IN THE AFTERNOON. BAY WATERS SLIGHTLY CHOPPY BECOMING SMOOTH
IN THE AFTERNOON.
.MONDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15 KNOTS
AFTER MIDNIGHT. BAY WATERS SMOOTH BECOMING SLIGHTLY CHOPPY AFTER MIDNIGHT.
.TUESDAY...SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY CHOPPY.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS BECOMING WEST 5 TO 10 KNOTS
AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY BECOMING SMOOTH AFTER MIDNIGHT.
A SLIGHT CHANCE OF SHOWERS.

$$

GMZ350-355-210430-
COASTAL WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT OUT 20 NM-
937 AM CST FRI JAN 20 2017

...GALE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY EVENING...

.REST OF TODAY...SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST IN
THE AFTERNOON. SEAS 2 TO 3 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
LATE IN THE MORNING...THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON.
.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST AFTER MIDNIGHT.
SEAS 2 TO 3 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...
THEN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. PATCHY
FOG AFTER MIDNIGHT.
.SATURDAY...SOUTHWEST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15 KNOTS
IN THE AFTERNOON. SEAS 2 TO 3 FEET. PATCHY FOG EARLY IN THE MORNING.
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 20 TO
25 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET BUILDING TO 3 TO 5 FEET AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
.SUNDAY...WEST WINDS 25 TO 30 KNOTS. SEAS 3 TO 5 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING 15 TO 20 KNOTS
AFTER MIDNIGHT. SEAS 3 TO 5 FEET SUBSIDING TO 2 TO 3 FEET AFTER MIDNIGHT.
.MONDAY...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 5 TO 10 KNOTS
IN THE AFTERNOON. SEAS 1 TO 2 FEET.
.MONDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
.TUESDAY...SOUTH WINDS AROUND 15 KNOTS. SEAS 2 TO 4 FEET.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS BECOMING WEST 5 TO 10 KNOTS
AFTER MIDNIGHT. SEAS 3 TO 4 FEET. A SLIGHT CHANCE OF SHOWERS.

$$

GMZ370-375-210430-
WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL FROM 20 TO
60 NM-WATERS FROM HIGH ISLAND TO FREEPORT FROM 20 TO 60 NM-
937 AM CST FRI JAN 20 2017

...GALE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY EVENING...

.REST OF TODAY...SOUTH WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 3 FEET. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS LATE IN THE MORNING...THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST AFTER MIDNIGHT.
SEAS 3 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
.SATURDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 3 FEET. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 20 TO
30 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET BUILDING TO 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 7 FEET AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT.
.SUNDAY...WEST WINDS 25 TO 35 KNOTS. SEAS 7 TO 10 FEET WITH OCCASIONAL
SEAS UP TO 13 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS DECREASING TO 15 TO 25
KNOTS AFTER MIDNIGHT. SEAS 6 TO 9 FEET WITH OCCASIONAL SEAS UP TO 11
FEET SUBSIDING TO 4 TO 6 FEET WITH OCCASIONAL SEAS UP TO 7 FEET AFTER
MIDNIGHT.
.MONDAY...NORTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST 5 TO 10 KNOTS
IN THE AFTERNOON. SEAS 2 TO 3 FEET.
.MONDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS
AFTER MIDNIGHT. SEAS 2 TO 3 FEET.
.TUESDAY...SOUTH WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. SEAS 4 TO 5 FEET WITH OCCASIONAL SEAS UP TO 6 FEET. A SLIGHT
CHANCE OF SHOWERS.

$$



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