Coastal Waters Forecast
Issued by NWS Houston/Galveston, TX

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FZUS54 KHGX 290851
CWFHGX

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
351 AM CDT SAT APR 29 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.

GMZ300-292130-
SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60
NAUTICAL MILES INCLUDING GALVESTON AND MATAGORDA BAYS
351 AM CDT SAT APR 29 2017

.SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM...
STRONG ONSHORE WINDS WILL PERSIST THROUGH THIS EVENING AND SOME
GUSTS TO GALE FORCE ARE POSSIBLE. IN ADDITION TO RAPIDLY BUILDING
SEAS THERE WILL ALSO BE PATCHY AREAS OF SEA FOG WITH VISIBILITIES
GENERALLY RANGING FROM 1 TO 4 MILES. THE WINDS ARE EXPECTED TO
WEAKEN AHEAD OF A COLD FRONT WHICH IS EXPECTED TO MOVE OFF OF THE
COAST TONIGHT OR EARLY SUNDAY MORNING. STRONG OFFSHORE WINDS ARE
THEN EXPECTED TO DEVELOP BEHIND THE FRONT SUNDAY MORNING BUT THE
DIMINISH DURING THE AFTERNOON AND EVENING.

$$

GMZ330-335-292130-
MATAGORDA BAY-GALVESTON BAY-
351 AM CDT SAT APR 29 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...

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

$$

GMZ350-355-292130-
COASTAL WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT OUT 20 NM-
351 AM CDT SAT APR 29 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...

.TODAY...SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO 10 FEET WITH
OCCASIONAL SEAS UP TO 13 FEET. PATCHY FOG EARLY IN THE MORNING. A
SLIGHT CHANCE OF SHOWERS.
.TONIGHT...SOUTH WINDS 20 TO 25 KNOTS BECOMING WEST AFTER
MIDNIGHT. SEAS 7 TO 10 FEET WITH OCCASIONAL SEAS UP TO 13 FEET. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN
SHOWERS AND THUNDERSTORMS LIKELY AFTER MIDNIGHT.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING 15 TO 20 KNOTS
IN THE AFTERNOON. SEAS 6 TO 8 FEET WITH OCCASIONAL SEAS UP TO
10 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
.SUNDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS BECOMING EAST 5 TO
10 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET WITH OCCASIONAL SEAS UP
TO 7 FEET.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 2 TO 4 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 3 TO
5 FEET. A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE
OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING
NORTHWEST 15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS.

$$

GMZ370-375-292130-
WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL FROM 20 TO
60 NM-WATERS FROM HIGH ISLAND TO FREEPORT FROM 20 TO 60 NM-
351 AM CDT SAT APR 29 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...

.TODAY...SOUTHEAST WINDS 25 TO 30 KNOTS. SEAS 10 TO 13 FEET WITH
OCCASIONAL SEAS UP TO 17 FEET. PATCHY FOG EARLY IN THE MORNING.
.TONIGHT...SOUTHEAST WINDS AROUND 25 KNOTS BECOMING SOUTHWEST
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 SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
.SUNDAY...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
20 KNOTS IN THE AFTERNOON. SEAS 7 TO 10 FEET WITH OCCASIONAL SEAS
UP TO 13 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING.
.SUNDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST
5 TO 10 KNOTS AFTER MIDNIGHT. SEAS 6 TO 8 FEET WITH OCCASIONAL
SEAS UP TO 10 FEET SUBSIDING TO 4 TO 6 FEET WITH OCCASIONAL SEAS
UP TO 7 FEET AFTER MIDNIGHT.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 3 TO 5 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET
WITH OCCASIONAL SEAS UP TO 7 FEET. A SLIGHT CHANCE OF SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
.WEDNESDAY...SOUTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 7 FEET. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS BECOMING NORTHWEST
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET WITH OCCASIONAL
SEAS UP TO 7 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS.

$$


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