642  
FZUS52 KTBW 091351  
CWFTBW  
 
COASTAL WATERS FORECAST FOR FLORIDA  
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL  
951 AM EDT SUN AUG 9 2026  
 
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 UPDATES 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.  
 
GMZ800-100215-  
SYNOPSIS FOR THE COASTAL WATERS FROM BONITA BEACH TO SUWANNEE RIVER-  
951 AM EDT SUN AUG 9 2026  
   
SYNOPSIS  
 
HIGH PRESSURE NORTHEAST OF FLORIDA WILL KEEP SOUTHEAST FLOW IN PLACE  
TODAY AND MONDAY, TURNING ONSHORE NEAR THE COAST EACH AFTERNOON WITH  
THE SEA BREEZE. WINDS WILL GENERALLY REMAIN LESS THAN 15 KNOTS  
OUTSIDE OF DAILY THUNDERSTORMS. TUESDAY THROUGH THE REST OF THE  
WEEK, THE RIDGE WILL SHIFT SOUTH AND WILL EXTEND ACROSS THE FLORIDA  
PENINSULA INTO THE EASTERN GULF, BRINGING IN DRIER AIR ALOFT WITH  
LOWER RAIN CHANCES AND KEEPING WINDS AND SEAS BELOW HEADLINE  
CRITERIA.  
 
 
 
GMZ830-100215-  
TAMPA BAY WATERS-  
951 AM EDT SUN AUG 9 2026  
   
THIS AFTERNOON  
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING  
SOUTHWEST LATE. BAY AND INLAND WATERS LIGHT CHOP. ISOLATED  
SHOWERS AND THUNDERSTORMS EARLY. SCATTERED SHOWERS AND  
THUNDERSTORMS LATE.    
TONIGHT  
NORTH WINDS 5 TO 10 KNOTS, BECOMING EAST AFTER  
MIDNIGHT. BAY AND INLAND WATERS LIGHT CHOP. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING.    
MONDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST IN  
THE AFTERNOON. BAY AND INLAND WATERS LIGHT CHOP.    
MONDAY NIGHT  
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING EAST  
AFTER MIDNIGHT. BAY AND INLAND WATERS LIGHT CHOP.    
TUESDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING WEST IN THE  
AFTERNOON. BAY AND INLAND WATERS LIGHT CHOP.    
TUESDAY NIGHT  
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING  
NORTHEAST AFTER MIDNIGHT. BAY AND INLAND WATERS LIGHT CHOP.    
WEDNESDAY  
NORTHEAST WINDS AROUND 5 KNOTS, BECOMING WEST IN THE  
AFTERNOON. BAY AND INLAND WATERS LIGHT CHOP.    
WEDNESDAY NIGHT  
NORTHWEST WINDS 5 TO 10 KNOTS, DIMINISHING TO  
AROUND 5 KNOTS AFTER MIDNIGHT. BAY AND INLAND WATERS LIGHT CHOP.    
THURSDAY  
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING WEST IN THE  
AFTERNOON. BAY AND INLAND WATERS LIGHT CHOP.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ836-100215-  
CHARLOTTE HARBOR AND PINE ISLAND SOUND-  
951 AM EDT SUN AUG 9 2026  
   
THIS AFTERNOON  
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING  
SOUTHWEST LATE. BAY AND INLAND WATERS LIGHT CHOP. ISOLATED  
SHOWERS AND THUNDERSTORMS EARLY. SCATTERED SHOWERS AND  
THUNDERSTORMS LATE.    
TONIGHT  
EAST WINDS 5 TO 10 KNOTS. BAY AND INLAND WATERS LIGHT  
CHOP. NUMEROUS SHOWERS AND THUNDERSTORMS IN THE EVENING.    
MONDAY  
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH IN THE  
AFTERNOON. BAY AND INLAND WATERS LIGHT CHOP.    
MONDAY NIGHT  
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING EAST  
AFTER MIDNIGHT. BAY AND INLAND WATERS LIGHT CHOP. ISOLATED  
SHOWERS AND THUNDERSTORMS IN THE EVENING.    
TUESDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST IN  
THE AFTERNOON. BAY AND INLAND WATERS LIGHT CHOP.    
TUESDAY NIGHT  
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING EAST  
AFTER MIDNIGHT. BAY AND INLAND WATERS LIGHT CHOP.    
WEDNESDAY  
SOUTH WINDS AROUND 5 KNOTS, BECOMING WEST IN THE  
AFTERNOON. BAY AND INLAND WATERS LIGHT CHOP. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.    
WEDNESDAY NIGHT  
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING NORTH  
AFTER MIDNIGHT. BAY AND INLAND WATERS LIGHT CHOP.    
THURSDAY  
EAST WINDS AROUND 5 KNOTS, BECOMING WEST IN THE  
AFTERNOON. BAY AND INLAND WATERS LIGHT CHOP.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ856-100215-  
COASTAL WATERS FROM BONITA BEACH TO ENGLEWOOD FL OUT 20 NM-  
951 AM EDT SUN AUG 9 2026  
   
THIS AFTERNOON  
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH  
LATE. SEAS 1 FOOT OR LESS. WAVE DETAIL: EAST 1 FOOT AT 3 SECONDS.  
BAY AND INLAND WATERS LIGHT CHOP. SCATTERED SHOWERS AND  
THUNDERSTORMS LATE.    
TONIGHT  
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS. WAVE  
DETAIL: SOUTHEAST 1 FOOT AT 3 SECONDS. BAY AND INLAND WATERS  
LIGHT CHOP. SCATTERED SHOWERS AND THUNDERSTORMS IN THE EVENING.    
MONDAY  
EAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH 5 TO 10 KNOTS  
IN THE AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: EAST 1 FOOT AT  
3 SECONDS. BAY AND INLAND WATERS A MODERATE CHOP.    
MONDAY NIGHT  
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING EAST  
AFTER MIDNIGHT. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTH 1 FOOT AT  
4 SECONDS. BAY AND INLAND WATERS LIGHT CHOP.    
TUESDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST IN  
THE AFTERNOON. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTHEAST 1 FOOT  
AT 4 SECONDS. BAY AND INLAND WATERS LIGHT CHOP.    
TUESDAY NIGHT  
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING  
NORTHEAST AFTER MIDNIGHT. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTH  
1 FOOT AT 4 SECONDS. BAY AND INLAND WATERS LIGHT CHOP.    
WEDNESDAY  
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING WEST IN THE  
AFTERNOON. SEAS 1 FOOT OR LESS. BAY AND INLAND WATERS LIGHT CHOP.   
WEDNESDAY NIGHT  
NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS. BAY AND INLAND WATERS LIGHT CHOP.    
THURSDAY  
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING WEST IN THE  
AFTERNOON. SEAS 1 FOOT OR LESS. BAY AND INLAND WATERS LIGHT CHOP.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ876-100215-  
WATERS FROM BONITA BEACH TO ENGLEWOOD FL OUT 20 TO 60 NM-  
951 AM EDT SUN AUG 9 2026  
   
THIS AFTERNOON  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS. WAVE DETAIL: SOUTHEAST 1 FOOT AT 3 SECONDS. ISOLATED  
SHOWERS AND THUNDERSTORMS EARLY. ISOLATED SHOWERS AND  
THUNDERSTORMS LATE.    
TONIGHT  
EAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO 15 KNOTS  
AFTER MIDNIGHT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FEET AFTER  
MIDNIGHT. WAVE DETAIL: SOUTHEAST 1 FOOT AT 4 SECONDS, BECOMING  
SOUTHEAST 2 FEET AT 4 SECONDS. ISOLATED SHOWERS AND THUNDERSTORMS  
IN THE EVENING.    
MONDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.    
MONDAY NIGHT  
NORTHEAST WINDS AROUND 5 KNOTS, BECOMING EAST  
AFTER MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET  
AT 6 SECONDS.    
TUESDAY  
EAST WINDS 5 TO 10 KNOTS, BECOMING NORTHEAST IN THE  
AFTERNOON. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTHEAST 1 FOOT AT  
4 SECONDS.    
TUESDAY NIGHT  
NORTH WINDS AROUND 5 KNOTS, BECOMING NORTHEAST  
AROUND 5 KNOTS AFTER MIDNIGHT. SEAS 1 FOOT OR LESS. WAVE DETAIL:  
SOUTHEAST 1 FOOT AT 4 SECONDS.    
WEDNESDAY  
EAST WINDS AROUND 5 KNOTS, BECOMING NORTH IN THE  
AFTERNOON. SEAS 1 FOOT OR LESS.    
WEDNESDAY NIGHT  
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING  
NORTHEAST AFTER MIDNIGHT. SEAS 1 FOOT OR LESS.    
THURSDAY  
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING NORTH IN THE  
AFTERNOON. SEAS 1 FOOT OR LESS.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ853-100215-  
COASTAL WATERS FROM ENGLEWOOD TO TARPON SPRINGS FL OUT 20 NM-  
951 AM EDT SUN AUG 9 2026  
   
THIS AFTERNOON  
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING  
SOUTHWEST LATE. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTHEAST  
1 FOOT AT 3 SECONDS. BAY AND INLAND WATERS LIGHT CHOP. ISOLATED  
SHOWERS AND THUNDERSTORMS LATE.    
TONIGHT  
NORTH WINDS 5 TO 10 KNOTS, BECOMING EAST AFTER  
MIDNIGHT. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTHEAST 1 FOOT AT  
3 SECONDS. BAY AND INLAND WATERS LIGHT CHOP. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING.    
MONDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH IN THE  
AFTERNOON. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTHEAST 1 FOOT AT  
3 SECONDS AND SOUTHEAST 1 FOOT AT 6 SECONDS. BAY AND INLAND  
WATERS LIGHT CHOP.    
MONDAY NIGHT  
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING EAST  
AFTER MIDNIGHT. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTH 1 FOOT AT  
5 SECONDS. BAY AND INLAND WATERS LIGHT CHOP.    
TUESDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING WEST IN THE  
AFTERNOON. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTHEAST 1 FOOT AT  
5 SECONDS. BAY AND INLAND WATERS LIGHT CHOP.    
TUESDAY NIGHT  
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING NORTH  
AFTER MIDNIGHT. SEAS 1 FOOT OR LESS. WAVE DETAIL: NORTHWEST  
1 FOOT AT 2 SECONDS AND SOUTH 1 FOOT AT 4 SECONDS. BAY AND INLAND  
WATERS LIGHT CHOP.    
WEDNESDAY  
NORTH WINDS AROUND 5 KNOTS, BECOMING NORTHWEST IN  
THE AFTERNOON. SEAS 1 FOOT OR LESS. BAY AND INLAND WATERS LIGHT  
CHOP.    
WEDNESDAY NIGHT  
NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS. BAY AND INLAND WATERS LIGHT CHOP.    
THURSDAY  
NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.  
BAY AND INLAND WATERS LIGHT CHOP.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ873-100215-  
WATERS FROM ENGLEWOOD TO TARPON SPRINGS FL OUT 20 TO 60 NM-  
951 AM EDT SUN AUG 9 2026  
   
THIS AFTERNOON  
SOUTHEAST WINDS 5 TO 10 KNOTS, DIMINISHING TO  
AROUND 5 KNOTS LATE. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTHEAST  
1 FOOT AT 3 SECONDS.    
TONIGHT  
NORTH WINDS 5 TO 10 KNOTS, BECOMING EAST AFTER  
MIDNIGHT. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTHEAST 1 FOOT AT  
3 SECONDS.    
MONDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTHEAST 1 FOOT AT 3 SECONDS.    
MONDAY NIGHT  
NORTH WINDS AROUND 5 KNOTS, BECOMING EAST AFTER  
MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTH 1 FOOT AT  
5 SECONDS.    
TUESDAY  
EAST WINDS 5 TO 10 KNOTS, BECOMING NORTHEAST IN THE  
AFTERNOON. SEAS AROUND 2 FEET IN THE MORNING, THEN 1 FOOT OR  
LESS. WAVE DETAIL: SOUTHEAST 1 FOOT AT 6 SECONDS, BECOMING  
SOUTHEAST 1 FOOT AT 5 SECONDS.    
TUESDAY NIGHT  
NORTH WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS.  
WAVE DETAIL: SOUTH 1 FOOT AT 5 SECONDS.    
WEDNESDAY  
NORTH WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS.    
WEDNESDAY NIGHT  
NORTHWEST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR  
LESS.    
THURSDAY  
WEST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS.  
 
 
 
GMZ850-100215-  
COASTAL WATERS FROM TARPON SPRINGS TO SUWANNEE RIVER FL OUT 20 NM-  
951 AM EDT SUN AUG 9 2026  
   
THIS AFTERNOON  
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH  
EARLY, THEN BECOMING WEST AROUND 5 KNOTS LATE. SEAS 1 FOOT OR  
LESS. WAVE DETAIL: SOUTHEAST 1 FOOT AT 2 SECONDS. BAY AND INLAND  
WATERS LIGHT CHOP. ISOLATED SHOWERS AND THUNDERSTORMS LATE.    
TONIGHT  
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING EAST AFTER  
MIDNIGHT. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTH 1 FOOT AT  
3 SECONDS. BAY AND INLAND WATERS LIGHT CHOP.    
MONDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST IN  
THE AFTERNOON. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTHEAST 1 FOOT  
AT 2 SECONDS. BAY AND INLAND WATERS LIGHT CHOP.    
MONDAY NIGHT  
WEST WINDS AROUND 5 KNOTS, BECOMING EAST AFTER  
MIDNIGHT. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTH 1 FOOT AT  
3 SECONDS. BAY AND INLAND WATERS SMOOTH.    
TUESDAY  
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING WEST IN THE  
AFTERNOON. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTH 1 FOOT AT  
5 SECONDS. BAY AND INLAND WATERS SMOOTH.    
TUESDAY NIGHT  
WEST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS.  
WAVE DETAIL: SOUTH 1 FOOT AT 5 SECONDS. BAY AND INLAND WATERS  
SMOOTH.    
WEDNESDAY  
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING WEST IN THE  
AFTERNOON. SEAS 1 FOOT OR LESS. BAY AND INLAND WATERS LIGHT CHOP.   
WEDNESDAY NIGHT  
WEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.  
BAY AND INLAND WATERS LIGHT CHOP.    
THURSDAY  
WEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS. BAY  
AND INLAND WATERS LIGHT CHOP.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ870-100215-  
WATERS FROM TARPON SPRINGS TO SUWANNEE RIVER FL OUT 20 TO 60 NM-  
951 AM EDT SUN AUG 9 2026  
   
THIS AFTERNOON  
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH  
LATE. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTHEAST 1 FOOT AT  
3 SECONDS. ISOLATED SHOWERS AND THUNDERSTORMS EARLY.    
TONIGHT  
WEST WINDS AROUND 5 KNOTS, BECOMING EAST AFTER  
MIDNIGHT. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTHEAST 1 FOOT AT  
3 SECONDS.    
MONDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS, DIMINISHING TO AROUND  
5 KNOTS IN THE AFTERNOON. SEAS 1 FOOT OR LESS. WAVE DETAIL:  
SOUTHEAST 1 FOOT AT 3 SECONDS. ISOLATED SHOWERS AND THUNDERSTORMS  
IN THE MORNING.    
MONDAY NIGHT  
WEST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST  
AFTER MIDNIGHT. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTH 1 FOOT AT  
4 SECONDS.    
TUESDAY  
EAST WINDS AROUND 5 KNOTS, BECOMING NORTHWEST IN THE  
AFTERNOON. SEAS 1 FOOT OR LESS. WAVE DETAIL: SOUTH 1 FOOT AT  
5 SECONDS.    
TUESDAY NIGHT  
WEST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS.  
WAVE DETAIL: SOUTH 1 FOOT AT 6 SECONDS.    
WEDNESDAY  
WEST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS.    
WEDNESDAY NIGHT  
WEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.   
THURSDAY  
WEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
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