Coastal Waters Forecast
Issued by NWS Tampa Bay Area, FL

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FZUS52 KTBW 211943
CWFTBW

COASTAL WATERS FORECAST FOR FLORIDA
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
243 PM EST TUE FEB 21 2017

GULF COASTAL WATERS FROM BONITA BEACH TO THE MOUTH OF THE
SUWANNEE RIVER OUT TO 60 NM.

IMPORTANT NOTICE TO MARINERS...MARINE FORECASTS ARE ISSUED AT LEAST
FOUR TIMES A DAY. BOATERS ON EXTENDED TRIPS SHOULD ROUTINELY MONITOR
SUBSEQUENT FORECAST ISSUANCES AND UPDATED FOR THE LATEST MARINE
WEATHER INFORMATION.

THE WAVE HEIGHTS ARE FORECAST AS SIGNIFICANT WAVE HEIGHT WHICH
IS THE AVERAGE OF THE HIGHEST ONE-THIRD OF THE WAVES.
THE HIGHEST WAVES MAY RARELY BE TWICE THE SIGNIFICANT WAVE HEIGHT.
THE WINDS AND SEAS NEAR THUNDERSTORMS MAY BE HIGHER THAN FORECAST.

GMZ800-221000-
SYNOPSIS FOR THE COASTAL WATERS FROM BONITA BEACH TO SUWANNEE RIVER-
243 PM EST TUE FEB 21 2017

.SYNOPSIS...
HIGH PRESSURE SHIFTS EAST OF THE REGION THIS EVENING IN
RESPONSE TO THE APPROACH OF A WEAK AREA OF LOW PRESSURE
FROM THE NORTH-CENTRAL GULF OF MEXICO. THIS LOW WILL SHIFT
ACROSS THE FORECAST WATERS DURING WEDNESDAY...REACHING THE
ATLANTIC ON THURSDAY. THE LOW MOVING DIRECTLY THROUGH THE
WATERS WILL MAKE FOR HIGHLY VARIABLE AND CHANGEABLE WINDS
THE NEXT 24-36 HOURS...ALTHOUGH GENERALLY REMAINING AT OR
BELOW 15 KNOTS. A BRIEF PERIODS OF CAUTIONARY LEVEL WINDS IS
POSSIBLE... ALTHOUGH CONFIDENCE IN EXACT LOCATION AND
TIMING IS LOW. WINDS WILL SHIFT TO THE NORTH AND NORTHEAST
BY FRIDAY AND BECOME LIGHT AS THE SYSTEM MOVES AWAY. A COLD
FRONT LOOKS TO CROSS THE GULF DURING THE UPCOMING
WEEKEND...WITH A PERIOD OF CAUTIONARY OR ADVISORY LEVEL
WINDS TO FOLLOW.

$$

GMZ830-221000-
TAMPA BAY WATERS-
243 PM EST TUE FEB 21 2017

.TONIGHT...SOUTH WINDS AROUND 10 KNOTS THEN BECOMING SOUTHEAST AFTER
MIDNIGHT. BAY AND INLAND WATERS A LIGHT CHOP. SCATTERED SHOWERS LATE.
.WEDNESDAY...SOUTHEAST WINDS AROUND 10 KNOTS. BAY AND INLAND WATERS
A LIGHT CHOP. RAIN AND A CHANCE OF THUNDERSTORMS.
.WEDNESDAY NIGHT...NORTHEAST WINDS AROUND 10 KNOTS. BAY AND INLAND
WATERS A LIGHT CHOP. A CHANCE OF SHOWERS.
.THURSDAY...NORTHEAST WINDS 5 TO 10 KNOTS THEN BECOMING NORTH IN THE
AFTERNOON. BAY AND INLAND WATERS SMOOTH. A CHANCE OF SHOWERS.
.THURSDAY NIGHT...NORTH WINDS AROUND 10 KNOTS. BAY AND INLAND WATERS
A LIGHT CHOP.
.FRIDAY...NORTH WINDS AROUND 5 KNOTS. BAY AND INLAND WATERS SMOOTH.
.FRIDAY NIGHT...NORTHWEST WINDS AROUND 10 KNOTS THEN BECOMING NORTH
AROUND 5 KNOTS AFTER MIDNIGHT. BAY AND INLAND WATERS A LIGHT CHOP.
.SATURDAY...NORTHWEST WINDS AROUND 10 KNOTS. BAY AND INLAND WATERS A
LIGHT CHOP.
.SATURDAY NIGHT...NORTHWEST WINDS 5 TO 10 KNOTS THEN BECOMING NORTH
AROUND 15 KNOTS AFTER MIDNIGHT. BAY AND INLAND WATERS A MODERATE
CHOP.
.SUNDAY...NORTH WINDS AROUND 15 KNOTS. BAY AND INLAND WATERS A
MODERATE CHOP.

$$

GMZ836-221000-
CHARLOTTE HARBOR AND PINE ISLAND SOUND-
243 PM EST TUE FEB 21 2017

.TONIGHT...SOUTHEAST WINDS AROUND 10 KNOTS INCREASING TO 10 TO 15
KNOTS. BAY AND INLAND WATERS A LIGHT CHOP. SCATTERED SHOWERS LATE.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS THEN BECOMING SOUTH
AROUND 10 KNOTS IN THE AFTERNOON. BAY AND INLAND WATERS A MODERATE
CHOP. RAIN AND A CHANCE OF THUNDERSTORMS.
.WEDNESDAY NIGHT...WEST WINDS AROUND 10 KNOTS DIMINISHING TO 5 TO 10
KNOTS AFTER MIDNIGHT. BAY AND INLAND WATERS A LIGHT CHOP. A CHANCE
OF SHOWERS.
.THURSDAY...NORTH WINDS 5 TO 10 KNOTS THEN BECOMING WEST IN THE
AFTERNOON. BAY AND INLAND WATERS SMOOTH. A CHANCE OF SHOWERS.
.THURSDAY NIGHT...NORTHWEST WINDS AROUND 5 KNOTS. BAY AND INLAND
WATERS SMOOTH.
.FRIDAY...NORTHWEST WINDS AROUND 10 KNOTS. BAY AND INLAND WATERS A
LIGHT CHOP.
.FRIDAY NIGHT...NORTHWEST WINDS AROUND 10 KNOTS THEN BECOMING NORTH
AROUND 5 KNOTS AFTER MIDNIGHT. BAY AND INLAND WATERS A LIGHT CHOP.
.SATURDAY...NORTHWEST WINDS AROUND 5 KNOTS INCREASING TO AROUND
10 KNOTS IN THE AFTERNOON. BAY AND INLAND WATERS A LIGHT CHOP.
.SATURDAY NIGHT...NORTHWEST WINDS AROUND 10 KNOTS. BAY AND INLAND
WATERS A LIGHT CHOP.
.SUNDAY...NORTH WINDS AROUND 10 KNOTS. BAY AND INLAND WATERS A LIGHT
CHOP.

$$

GMZ856-221000-
COASTAL WATERS FROM BONITA BEACH TO ENGLEWOOD FL OUT 20 NM-
243 PM EST TUE FEB 21 2017

.TONIGHT...SOUTHEAST WIND 10 TO 15 KNOTS INCREASING TO AROUND 15
KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. BAY AND INLAND WATERS A
MODERATE CHOP. SHOWERS LIKELY AFTER MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS AROUND 15 KNOTS THEN BECOMING SOUTH IN
THE AFTERNOON. SEAS 2 TO 4 FEET. BAY AND INLAND WATERS A MODERATE
CHOP. RAIN AND A CHANCE OF THUNDERSTORMS.
.WEDNESDAY NIGHT...NORTHWEST WINDS AROUND 10 KNOTS THEN BECOMING
WEST AFTER MIDNIGHT. SEAS 2 TO 3 FEET. BAY AND INLAND WATERS A LIGHT
CHOP. A CHANCE OF SHOWERS.
.THURSDAY...NORTH WINDS 5 TO 10 KNOTS THEN BECOMING WEST AROUND 10
KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET. BAY AND INLAND WATERS A
LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS.
.THURSDAY NIGHT...NORTHWEST WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.
BAY AND INLAND WATERS A LIGHT CHOP.
.FRIDAY...NORTHWEST WINDS AROUND 10 KNOTS. SEAS 2 FEET. BAY AND
INLAND WATERS A LIGHT CHOP.
.FRIDAY NIGHT...NORTHWEST WINDS AROUND 10 KNOTS. SEAS 2 FEET. BAY
AND INLAND WATERS A LIGHT CHOP.
.SATURDAY...NORTHWEST WINDS AROUND 10 KNOTS. SEAS 2 FEET OR LESS.
BAY AND INLAND WATERS A LIGHT CHOP.
.SATURDAY NIGHT...NORTHWEST WINDS AROUND 15 KNOTS. SEAS 2 TO 3 FEET.
BAY AND INLAND WATERS A MODERATE CHOP.
.SUNDAY...NORTH WINDS AROUND 15 KNOTS. SEAS 2 TO 4 FEET. BAY AND
INLAND WATERS A MODERATE CHOP.

$$

GMZ876-221000-
WATERS FROM BONITA BEACH TO ENGLEWOOD FL OUT 20 TO 60 NM-
243 PM EST TUE FEB 21 2017

...SMALL CRAFT EXERCISE CAUTION OVERNIGHT...

.TONIGHT...SOUTHEAST WINDS AROUND 15 KNOTS INCREASING TO 15 TO 20
KNOTS. SEAS 2 TO 3 FEET. SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS...
MAINLY AFTER MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS AROUND 15 KNOTS THEN BECOMING SOUTHWEST
IN THE AFTERNOON. SEAS 2 TO 4 FEET. RAIN AND A CHANCE OF
THUNDERSTORMS.
.WEDNESDAY NIGHT...NORTHWEST WINDS AROUND 15 KNOTS THEN BECOMING
WEST AROUND 10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. A CHANCE OF
SHOWERS.
.THURSDAY...NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
.THURSDAY NIGHT...NORTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.
.FRIDAY...NORTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS AROUND 10 KNOTS. SEAS 2 FEET.
.SATURDAY...NORTHWEST WINDS AROUND 10 KNOTS. SEAS 2 FEET.
.SATURDAY NIGHT...NORTH WINDS AROUND 15 KNOTS. SEAS 2 TO 3 FEET.
.SUNDAY...NORTH WINDS AROUND 15 KNOTS. SEAS 3 TO 5 FEET.

$$

GMZ853-221000-
COASTAL WATERS FROM ENGLEWOOD TO TARPON SPRINGS FL OUT 20 NM-
243 PM EST TUE FEB 21 2017

.TONIGHT...SOUTH WINDS AROUND 10 KNOTS THEN BECOMING SOUTHEAST
AROUND 15 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. BAY AND INLAND
WATERS A MODERATE CHOP. SCATTERED SHOWERS AFTER MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS AROUND 15 KNOTS THEN BECOMING SOUTH
AROUND 10 KNOTS IN THE AFTERNOON. SEAS 2 TO 4 FEET. BAY AND INLAND
WATERS A MODERATE CHOP. RAIN AND A CHANCE OF THUNDERSTORMS.
.WEDNESDAY NIGHT...NORTH WINDS AROUND 10 KNOTS DIMINISHING TO 5 TO 10
KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. BAY AND INLAND WATERS A LIGHT
CHOP. A CHANCE OF SHOWERS.
.THURSDAY...NORTHEAST WINDS AROUND 10 KNOTS THEN BECOMING NORTHWEST
IN THE AFTERNOON. SEAS 2 TO 3 FEET. BAY AND INLAND WATERS A LIGHT
CHOP. A CHANCE OF SHOWERS.
.THURSDAY NIGHT...NORTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET. BAY
AND INLAND WATERS A LIGHT CHOP.
.FRIDAY...NORTH WINDS AROUND 10 KNOTS. SEAS 2 FEET. BAY AND INLAND
WATERS A LIGHT CHOP.
.FRIDAY NIGHT...NORTHWEST WINDS AROUND 10 KNOTS. SEAS 2 FEET. BAY
AND INLAND WATERS A LIGHT CHOP.
.SATURDAY...NORTHWEST WINDS AROUND 10 KNOTS. SEAS 2 FEET OR LESS.
BAY AND INLAND WATERS A LIGHT CHOP.
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS THEN BECOMING NORTH
AROUND 20 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. BAY AND INLAND
WATERS CHOPPY.
.SUNDAY...NORTH WINDS AROUND 20 KNOTS DIMINISHING TO 10 TO 15 KNOTS
IN THE AFTERNOON. SEAS 2 TO 4 FEET. BAY AND INLAND WATERS CHOPPY.

$$

GMZ873-221000-
WATERS FROM ENGLEWOOD TO TARPON SPRINGS FL OUT 20 TO 60 NM-
243 PM EST TUE FEB 21 2017

...SMALL CRAFT EXERCISE CAUTION OVERNIGHT...

.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST 15 TO 20
KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS...MAINLY AFTER MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS AROUND 15 KNOTS THEN BECOMING NORTHEAST
IN THE AFTERNOON. SEAS 2 TO 4 FEET. RAIN AND A CHANCE OF
THUNDERSTORMS.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS DIMINISHING TO AROUND
10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. A CHANCE OF SHOWERS.
.THURSDAY...NORTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.
.THURSDAY NIGHT...NORTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.
.FRIDAY...NORTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS AROUND 10 KNOTS. SEAS 2 FEET.
.SATURDAY...NORTHWEST WINDS AROUND 10 KNOTS. SEAS 2 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS THEN BECOMING NORTH
AROUND 20 KNOTS AFTER MIDNIGHT. SEAS 2 TO 4 FEET.
.SUNDAY...NORTH WINDS AROUND 20 KNOTS DIMINISHING TO 10 TO 15 KNOTS
IN THE AFTERNOON. SEAS 3 TO 5 FEET.

$$

GMZ850-221000-
COASTAL WATERS FROM TARPON SPRINGS TO SUWANNEE RIVER FL OUT 20 NM-
243 PM EST TUE FEB 21 2017

.TONIGHT...SOUTH WINDS 5 TO 10 KNOTS THEN BECOMING SOUTHEAST AROUND
15 KNOTS AFTER MIDNIGHT. SEAS 2 FEET. BAY AND INLAND WATERS A
MODERATE CHOP. SCATTERED SHOWERS AND A CHANCE OF
THUNDERSTORMS...MAINLY AFTER MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS AROUND 15 KNOTS THEN BECOMING EAST
AROUND 10 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET. BAY AND INLAND
WATERS A MODERATE CHOP. RAIN AND A CHANCE OF THUNDERSTORMS.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 FEET. BAY
AND INLAND WATERS A LIGHT TO MODERATE CHOP. A CHANCE OF SHOWERS.
.THURSDAY...NORTHEAST WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO 10
KNOTS IN THE AFTERNOON. SEAS 2 FEET. BAY AND INLAND WATERS A LIGHT
CHOP. A SLIGHT CHANCE OF SHOWERS.
.THURSDAY NIGHT...NORTHEAST WINDS AROUND 10 KNOTS. SEAS 2 FEET. BAY
AND INLAND WATERS A LIGHT CHOP.
.FRIDAY...NORTH WINDS AROUND 10 KNOTS THEN BECOMING NORTHWEST IN THE
AFTERNOON. SEAS 2 FEET. BAY AND INLAND WATERS A LIGHT CHOP.
.FRIDAY NIGHT...NORTHWEST WINDS AROUND 10 KNOTS THEN BECOMING NORTH
AROUND 5 KNOTS AFTER MIDNIGHT. SEAS 2 FEET. BAY AND INLAND WATERS A
LIGHT CHOP.
.SATURDAY...NORTHWEST WINDS 5 TO 10 KNOTS INCREASING TO AROUND
15 KNOTS IN THE AFTERNOON. SEAS 2 FEET. BAY AND INLAND WATERS A
MODERATE CHOP.
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS THEN BECOMING NORTH
AROUND 20 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. BAY AND INLAND
WATERS CHOPPY.
.SUNDAY...NORTH WINDS AROUND 15 KNOTS DIMINISHING TO 5 TO 10 KNOTS
IN THE AFTERNOON. SEAS 2 TO 3 FEET. BAY AND INLAND WATERS A MODERATE
CHOP.

$$

GMZ870-221000-
WATERS FROM TARPON SPRINGS TO SUWANNEE RIVER FL OUT 20 TO 60 NM-
243 PM EST TUE FEB 21 2017

...SMALL CRAFT EXERCISE CAUTION OVERNIGHT...

.TONIGHT...SOUTH WINDS 15 KNOTS THEN BECOMING SOUTHEAST 15 TO 20
KNOTS. SEAS 2 TO 4 FEET. SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS.
.WEDNESDAY...EAST WINDS AROUND 15 KNOTS DECREASING TO 10 TO 15 KNOTS
IN THE AFTERNOON. SEAS 2 TO 4 FEET. RAIN AND A CHANCE OF
THUNDERSTORMS.
.WEDNESDAY NIGHT...NORTHEAST WINDS AROUND 15 KNOTS. SEAS 2 TO
4 FEET. A CHANCE OF SHOWERS.
.THURSDAY...NORTHEAST WINDS AROUND 15 KNOTS THEN BECOMING NORTH 5 TO
10 KNOTS IN THE AFTERNOON. SEAS 2 TO 4 FEET. A SLIGHT CHANCE OF
SHOWERS.
.THURSDAY NIGHT...NORTHEAST WINDS AROUND 15 KNOTS. SEAS 2 TO 3 FEET.
.FRIDAY...NORTHEAST WINDS AROUND 10 KNOTS THEN BECOMING NORTH IN THE
AFTERNOON. SEAS 2 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS AROUND 10 KNOTS. SEAS 2 FEET.
.SATURDAY...NORTHWEST WINDS AROUND 10 KNOTS. SEAS 2 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS AROUND 20 KNOTS. SEAS 2 TO 4 FEET.
.SUNDAY...NORTH WINDS AROUND 20 KNOTS DIMINISHING TO 10 TO 15 KNOTS
IN THE AFTERNOON. SEAS 3 TO 5 FEET.

$$



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