Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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FZUS54 KHGX 240403
CWFHGX

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1103 PM CDT THU MAR 23 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.

GMZ300-241630-
SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60
NAUTICAL MILES INCLUDING GALVESTON AND MATAGORDA BAYS
1103 PM CDT THU MAR 23 2017

.SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM...
LOWERING INLAND PRESSURES IN ASSOCIATION WITH AN APPROACHING COLD
FRONT HAS TIGHTENED THE ONSHORE PRESSURE GRADIENT. THIS WILL MAINTAIN
STRONG SOUTHERLIES THROUGH FRIDAY. THIS FRONT WILL APPROACH THE COASTAL
WATERS SATURDAY BUT IS FORECAST TO STALL INLAND. THE HIGHEST CHANCES
FOR RAIN AND STORMS TO OCCUR OVER GALVESTON BAY AND MORE EASTERN GULF
WATERS FRIDAY EVENING INTO EARLY SATURDAY MORNING. WEAKER ONSHORE
WINDS WILL PREVAIL THROUGH THE WEEKEND.


$$

GMZ330-335-241630-
MATAGORDA BAY-GALVESTON BAY-
1103 PM CDT THU MAR 23 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TONIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS
CHOPPY.
.FRIDAY...SOUTH WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN A CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
.FRIDAY NIGHT...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST
10 TO 15 KNOTS AFTER MIDNIGHT. BAY WATERS CHOPPY BECOMING
SLIGHTLY CHOPPY AFTER MIDNIGHT. SHOWERS AND THUNDERSTORMS LIKELY
IN THE EVENING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT.
.SATURDAY...SOUTHWEST WINDS 10 TO 15 KNOTS DECREASING TO 5 TO
10 KNOTS IN THE AFTERNOON. BAY WATERS SLIGHTLY CHOPPY BECOMING
SMOOTH IN THE AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING.
.SATURDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
.SUNDAY...SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY CHOPPY.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
.MONDAY...SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY CHOPPY.
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
.MONDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
.TUESDAY...EAST WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST 10 TO
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH BECOMING SLIGHTLY
CHOPPY IN THE AFTERNOON.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS
SLIGHTLY CHOPPY.

$$

GMZ350-355-241630-
COASTAL WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT OUT 20 NM-
1103 PM CDT THU MAR 23 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION THIS EVENING...

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.REST OF TONIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTH
20 TO 25 KNOTS AFTER MIDNIGHT. SEAS 5 TO 7 FEET WITH OCCASIONAL
SEAS UP TO 8 FEET.
.FRIDAY...SOUTH WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
.FRIDAY NIGHT...SOUTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 7 FEET. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
.SATURDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 7 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS DECREASING TO 5 TO
10 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET.
.SUNDAY...SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET.
.MONDAY...SOUTH WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
.MONDAY NIGHT...SOUTH WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET.

$$

GMZ370-375-241630-
WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL FROM 20 TO
60 NM-WATERS FROM HIGH ISLAND TO FREEPORT FROM 20 TO 60 NM-
1103 PM CDT THU MAR 23 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.REST OF TONIGHT...SOUTHEAST WINDS 20 TO 25 KNOTS. 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.
.FRIDAY...SOUTH WINDS 20 TO 25 KNOTS DECREASING TO 15 TO 20 KNOTS
IN THE AFTERNOON. SEAS 6 TO 8 FEET WITH OCCASIONAL SEAS UP TO
10 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
.FRIDAY NIGHT...SOUTH WINDS 15 TO 20 KNOTS. SEAS 6 TO 8 FEET WITH
OCCASIONAL SEAS UP TO 10 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
.SATURDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 5 TO 7 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET
WITH OCCASIONAL SEAS UP TO 6 FEET.
.SUNDAY...SOUTH WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 7 FEET.
.MONDAY...SOUTH WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 7 FEET.
.MONDAY NIGHT...SOUTH WINDS AROUND 10 KNOTS. SEAS 3 TO 5 FEET.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO
4 FEET.

$$


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