Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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FZUS54 KHGX 260907
CWFHGX

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
407 AM CDT WED APR 26 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.

GMZ300-262130-
SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60
NAUTICAL MILES INCLUDING GALVESTON AND MATAGORDA BAYS
407 AM CDT WED APR 26 2017

.SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM...
STRONG ONSHORE WINDS THIS MORNING WILL DIMINISH THIS AFTERNOON AS
A COLD FRONT APPROACHES THE COAST. WINDS WILL BECOME NORTH IN THE
WAKE OF THE FRONT THIS EVENING AND INCREASE OVERNIGHT BEFORE
DIMINISHING THURSDAY MORNING. ONSHORE WINDS WILL RETURN THURSDAY
AFTERNOON AS HIGH PRESSURE DRIFTS EAST OF THE REGION. STRONG
ONSHORE WINDS ARE EXPECTED FRIDAY NIGHT AND SATURDAY.

$$

GMZ335-262130-
GALVESTON BAY-
407 AM CDT WED APR 26 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. BAY WATERS CHOPPY. A SLIGHT CHANCE OF SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH AFTER
MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY.
.THURSDAY...EAST WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST IN THE
AFTERNOON. BAY WATERS SMOOTH.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS
SLIGHTLY CHOPPY.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY CHOPPY.
.FRIDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS
CHOPPY.
.SATURDAY...SOUTH WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY. A
CHANCE OF SHOWERS. ISOLATED THUNDERSTORMS IN THE AFTERNOON.
.SATURDAY NIGHT...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT. BAY WATERS CHOPPY. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
.SUNDAY...NORTHWEST WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY. A
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
.SUNDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH
AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY.

$$

GMZ350-355-262130-
COASTAL WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT OUT 20 NM-
407 AM CDT WED APR 26 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. SEAS 6 TO 7 FEET WITH OCCASIONAL SEAS UP TO 8 FEET
SUBSIDING TO 4 TO 6 FEET WITH OCCASIONAL SEAS UP TO 7 FEET IN THE
AFTERNOON. ISOLATED SHOWERS EARLY IN THE MORNING.
.TONIGHT...NORTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTH AFTER
MIDNIGHT. SEAS 3 TO 5 FEET.
.THURSDAY...EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 2 TO 4 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET.
.FRIDAY...SOUTH WINDS AROUND 15 KNOTS. SEAS 3 TO 5 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS INCREASING TO
20 TO 25 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET WITH OCCASIONAL
SEAS UP TO 7 FEET BUILDING TO 6 TO 8 FEET WITH OCCASIONAL SEAS UP
TO 10 FEET AFTER MIDNIGHT.
.SATURDAY...SOUTH WINDS 20 TO 25 KNOTS. SEAS 6 TO 9 FEET WITH
OCCASIONAL SEAS UP TO 11 FEET. A SLIGHT CHANCE OF SHOWERS.
ISOLATED THUNDERSTORMS IN THE AFTERNOON.
.SATURDAY NIGHT...SOUTH WINDS 20 TO 25 KNOTS BECOMING SOUTHWEST
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 6 TO 9 FEET WITH OCCASIONAL
SEAS UP TO 11 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS.
.SUNDAY...NORTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO AROUND
35 KNOTS. SEAS 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 8 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
.SUNDAY NIGHT...NORTH WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET.

$$

GMZ370-375-262130-
WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL FROM 20 TO
60 NM-WATERS FROM HIGH ISLAND TO FREEPORT FROM 20 TO 60 NM-
407 AM CDT WED APR 26 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...SOUTH WINDS 20 TO 25 KNOTS BECOMING SOUTHWEST 15 TO
20 KNOTS IN THE AFTERNOON. SEAS 7 TO 9 FEET WITH OCCASIONAL SEAS
UP TO 11 FEET SUBSIDING TO 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO
8 FEET IN THE AFTERNOON.
.TONIGHT...NORTHWEST WINDS 20 TO 25 KNOTS BECOMING NORTH 15 TO
25 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET WITH OCCASIONAL SEAS UP
TO 7 FEET.
.THURSDAY...EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 3 TO 5 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
4 FEET.
.FRIDAY...SOUTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 7 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING 20 TO
25 KNOTS AFTER MIDNIGHT. SEAS 5 TO 7 FEET WITH OCCASIONAL SEAS UP
TO 8 FEET BUILDING TO 7 TO 9 FEET WITH OCCASIONAL SEAS UP TO
11 FEET AFTER MIDNIGHT.
.SATURDAY...SOUTH WINDS 20 TO 25 KNOTS. SEAS 8 TO 11 FEET WITH
OCCASIONAL SEAS UP TO 14 FEET.
.SATURDAY NIGHT...SOUTH WINDS 20 TO 25 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT. SEAS 8 TO 11 FEET WITH OCCASIONAL SEAS UP TO
14 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS.
.SUNDAY...NORTHWEST WINDS 20 TO 25 KNOTS. SEAS 6 TO 9 FEET WITH
OCCASIONAL SEAS UP TO 11 FEET. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING, THEN A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
.SUNDAY NIGHT...NORTH WINDS 20 TO 25 KNOTS DECREASING TO 15 TO
20 KNOTS AFTER MIDNIGHT. SEAS 5 TO 7 FEET WITH OCCASIONAL SEAS UP
TO 8 FEET.

$$

GMZ330-262130-
MATAGORDA BAY-
407 AM CDT WED APR 26 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

.TODAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING WEST 10 TO 15 KNOTS
IN THE AFTERNOON. BAY WATERS CHOPPY BECOMING SLIGHTLY CHOPPY IN
THE AFTERNOON.
.TONIGHT...NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHEAST AFTER
MIDNIGHT. BAY WATERS CHOPPY.
.THURSDAY...EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST IN THE
AFTERNOON. BAY WATERS SLIGHTLY CHOPPY BECOMING SMOOTH TO SLIGHTLY
CHOPPY IN THE AFTERNOON.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS
SLIGHTLY CHOPPY.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY CHOPPY.
.FRIDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS
CHOPPY.
.SATURDAY...SOUTH WINDS AROUND 20 KNOTS. BAY WATERS CHOPPY.
.SATURDAY NIGHT...SOUTH WINDS AROUND 20 KNOTS BECOMING EAST AFTER
MIDNIGHT. BAY WATERS CHOPPY. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
.SUNDAY...NORTH WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
.SUNDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST
5 TO 10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY BECOMING
SMOOTH AFTER MIDNIGHT.

$$



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