Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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FZUS54 KHGX 271531
CWFHGX

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1031 AM CDT THU APR 27 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.

GMZ300-280430-
SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60
NAUTICAL MILES INCLUDING GALVESTON AND MATAGORDA BAYS
1031 AM CDT THU APR 27 2017

.SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM...
OFFSHORE WINDS WILL CONTINUE TO WEAKEN THIS AFTERNOON AS HIGH
PRESSURE DRIFTS EAST OF THE REGION. ONSHORE WINDS RETURN TONIGHT
AND WILL STRENGTHEN THROUGH SATURDAY.


$$

GMZ330-335-280430-
MATAGORDA BAY-GALVESTON BAY-
1031 AM CDT THU APR 27 2017

.THIS AFTERNOON...NORTHEAST WINDS 10 TO 15 KNOTS BECOMING
SOUTHEAST LATE. BAY WATERS SLIGHTLY CHOPPY.
.TONIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS
IN THE AFTERNOON. BAY WATERS SLIGHTLY CHOPPY BECOMING CHOPPY IN
THE AFTERNOON.
.FRIDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS
CHOPPY. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
.SATURDAY...SOUTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY. A
SLIGHT CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN THE
MORNING. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
.SATURDAY NIGHT...SOUTH WINDS 15 TO 20 KNOTS BECOMING EAST AFTER
MIDNIGHT. BAY WATERS CHOPPY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SHOWERS AND THUNDERSTORMS
LIKELY AFTER MIDNIGHT.
.SUNDAY...NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST IN THE
AFTERNOON. BAY WATERS CHOPPY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING.
.SUNDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH
5 TO 10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY BECOMING
SMOOTH AFTER MIDNIGHT.
.MONDAY...SOUTHWEST WINDS AROUND 5 KNOTS BECOMING SOUTH IN THE
AFTERNOON. BAY WATERS SMOOTH.
.MONDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS AFTER MIDNIGHT. BAY WATERS SMOOTH BECOMING SLIGHTLY
CHOPPY AFTER MIDNIGHT.

$$

GMZ350-355-280430-
COASTAL WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT OUT 20 NM-
1031 AM CDT THU APR 27 2017

.THIS AFTERNOON...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS
IN THE AFTERNOON. SEAS 3 TO 5 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 8 FEET
WITH OCCASIONAL SEAS UP TO 10 FEET. A SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT.
.SATURDAY...SOUTHEAST WINDS AROUND 20 KNOTS. SEAS 7 TO 9 FEET
WITH OCCASIONAL SEAS UP TO 11 FEET. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS.
.SATURDAY NIGHT...SOUTH WINDS AROUND 20 KNOTS BECOMING EAST AFTER
MIDNIGHT. SEAS 6 TO 9 FEET WITH OCCASIONAL SEAS UP TO 11 FEET. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN A
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
.SUNDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 15 TO
20 KNOTS IN THE AFTERNOON. SEAS 5 TO 7 FEET WITH OCCASIONAL SEAS
UP TO 8 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING.
.SUNDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTH
5 TO 10 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET.
.MONDAY...NORTH WINDS AROUND 5 KNOTS BECOMING SOUTH IN THE
AFTERNOON. SEAS 2 TO 4 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.

$$

GMZ370-375-280430-
WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL FROM 20 TO
60 NM-WATERS FROM HIGH ISLAND TO FREEPORT FROM 20 TO 60 NM-
1031 AM CDT THU APR 27 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.THIS AFTERNOON...EAST WINDS AROUND 15 KNOTS. SEAS 4 TO 6 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH 15 TO
20 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET.
.FRIDAY...SOUTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET BUILDING TO 5 TO 7 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET IN THE AFTERNOON.
.FRIDAY NIGHT...SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 8 FEET
WITH OCCASIONAL SEAS UP TO 10 FEET BUILDING TO 8 TO 10 FEET WITH
OCCASIONAL SEAS UP TO 13 FEET AFTER MIDNIGHT.
.SATURDAY...SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 9 TO 11 FEET
WITH OCCASIONAL SEAS UP TO 14 FEET.
.SATURDAY NIGHT...SOUTH WINDS 20 TO 25 KNOTS BECOMING SOUTHEAST
15 TO 25 KNOTS AFTER MIDNIGHT. SEAS 10 TO 12 FEET WITH OCCASIONAL
SEAS UP TO 15 FEET SUBSIDING TO 8 TO 11 FEET WITH OCCASIONAL SEAS
UP TO 14 FEET AFTER MIDNIGHT. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING 15 TO 20 KNOTS
IN THE AFTERNOON. SEAS 8 TO 10 FEET WITH OCCASIONAL SEAS UP TO
13 FEET SUBSIDING TO 6 TO 8 FEET WITH OCCASIONAL SEAS UP TO
10 FEET IN THE AFTERNOON. SHOWERS AND THUNDERSTORMS LIKELY IN THE
MORNING.
.SUNDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTH
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 5 TO 7 FEET WITH OCCASIONAL
SEAS UP TO 8 FEET.
.MONDAY...NORTH WINDS AROUND 5 KNOTS BECOMING SOUTH IN THE
AFTERNOON. SEAS 3 TO 5 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.

$$


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