St. Petersburg, FL
08/13/2026 11:00 AM
87°F
TEMPERATURE
Winds 8 mph WNW
Sunny
Sunny, with a high near 90. Heat index values as high as 102. West northwest wind 8 to 12 mph.

Alerts

You have (1) alert(s). Tap to see details.

Heat Advisory

Moderate
Heat Advisory issued August 13 at 7:45AM EDT until August 13 at 7:00PM EDT by NWS Tampa Bay Ruskin FL
NWS Tampa Bay Ruskin FL
Category Certainty Severity
Met Likely Moderate
Status Urgency Category
Actual Expected Met
Effective Ends Expires
08/13/2026 07:45 AM 08/13/2026 07:00 PM 08/13/2026 07:00 PM 
* WHAT...Heat index values up to 109 expected.

* WHERE...Portions of southwest and west central Florida.

* WHEN...From noon today to 7 PM EDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
Moonrise
08:50 AM
Moonset
09:54 PM
Sunrise
06:59 AM
Moon Phase
Waxing crescent
Sunset
08:11 PM

Hourly Forecast

Thu, 11:00 AM

Sunny
Winds: 8 mph WNW
87°

Thu, 12:00 PM

Sunny
Winds: 9 mph WNW
88°

Thu, 01:00 PM

Sunny
Winds: 10 mph WNW
89°

Thu, 02:00 PM

Sunny
Winds: 12 mph WNW
89°

Thu, 03:00 PM

Sunny
Winds: 12 mph WNW
90°

Thu, 04:00 PM

Sunny
Winds: 12 mph WNW
89°

Thu, 05:00 PM

Sunny
Winds: 12 mph WNW
89°

Thu, 06:00 PM

Mostly Clear
Winds: 10 mph WNW
88°

Thu, 07:00 PM

Mostly Clear
Winds: 9 mph WNW
88°

Thu, 08:00 PM

Mostly Clear
Winds: 9 mph NW
86°

Thu, 09:00 PM

Mostly Clear
Winds: 8 mph NW
85°

Thu, 10:00 PM

Mostly Clear
Winds: 7 mph NW
85°

Thu, 11:00 PM

Mostly Clear
Winds: 6 mph NNW
84°

Fri, 12:00 AM

Partly Cloudy
Winds: 6 mph NNW
84°

Fri, 01:00 AM

Partly Cloudy
Winds: 5 mph NNW
84°

Fri, 02:00 AM

Partly Cloudy
Winds: 5 mph N
83°

Fri, 03:00 AM

Partly Cloudy
Winds: 3 mph N
83°

Fri, 04:00 AM

Partly Cloudy
Winds: 3 mph NNE
82°

Fri, 05:00 AM

Partly Cloudy
Winds: 3 mph NE
82°

Fri, 06:00 AM

Mostly Sunny
Winds: 3 mph ENE
82°

Fri, 07:00 AM

Mostly Sunny
Winds: 3 mph NE
82°

Fri, 08:00 AM

Mostly Sunny
Winds: 5 mph NE
83°

Fri, 09:00 AM

Sunny
Winds: 3 mph NNE
84°

Fri, 10:00 AM

Mostly Sunny
Winds: 5 mph NE
86°

Today

Sunny
90°
Winds: 8 to 12 mph WNW
Sunny, with a high near 90. Heat index values as high as 102. West northwest wind 8 to 12 mph.

Tonight

Partly Cloudy
81°
Winds: 3 to 10 mph NNW
Partly cloudy, with a low around 81. Heat index values as high as 100. North northwest wind 3 to 10 mph.

Friday

Sunny then Scattered Showers And Thunderstorms
91°
Winds: 3 to 9 mph N
Scattered showers and thunderstorms between 2pm and 4pm, then isolated showers and thunderstorms. Sunny, with a high near 91. Heat index values as high as 103. North wind 3 to 9 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Friday Night

Isolated Showers And Thunderstorms then Partly Cloudy
81°
Winds: 8 mph NNE
Isolated showers and thunderstorms before 7pm. Partly cloudy, with a low around 81. Heat index values as high as 101. North northeast wind around 8 mph. Chance of precipitation is 20%.

Saturday

Sunny then Isolated Showers And Thunderstorms
91°
Winds: 5 to 8 mph S
Isolated showers and thunderstorms after 2pm. Sunny, with a high near 91. South wind 5 to 8 mph. Chance of precipitation is 20%.

Saturday Night

Isolated Showers And Thunderstorms then Mostly Clear
81°
Winds: 5 to 8 mph NNE
Isolated showers and thunderstorms before 8pm. Mostly clear, with a low around 81. North northeast wind 5 to 8 mph. Chance of precipitation is 20%.

Sunday

Sunny
90°
Winds: 5 to 9 mph S
Sunny, with a high near 90. South wind 5 to 9 mph.

Sunday Night

Mostly Clear
82°
Winds: 5 to 9 mph NW
Mostly clear, with a low around 82. Northwest wind 5 to 9 mph.

Monday

Sunny
91°
Winds: 5 to 12 mph NW
Sunny, with a high near 91. Northwest wind 5 to 12 mph.

Monday Night

Mostly Clear
82°
Winds: 7 to 12 mph WNW
Mostly clear, with a low around 82.

Tuesday

Sunny then Isolated Showers And Thunderstorms
91°
Winds: 7 to 12 mph WNW
Isolated showers and thunderstorms after 2pm. Sunny, with a high near 91. Chance of precipitation is 20%.

Tuesday Night

Isolated Showers And Thunderstorms
82°
Winds: 6 to 12 mph WNW
Isolated showers and thunderstorms before 2am. Mostly clear, with a low around 82. Chance of precipitation is 20%.

Wednesday

Isolated Showers And Thunderstorms
90°
Winds: 5 to 10 mph W
Isolated showers and thunderstorms between 8am and 2pm, then scattered showers and thunderstorms. Sunny, with a high near 90. Chance of precipitation is 30%.

Wednesday Night

Scattered Showers And Thunderstorms then Isolated Showers And Thunderstorms
82°
Winds: 5 to 10 mph WNW
Scattered showers and thunderstorms before 8pm, then isolated showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 82.

Coastal Waters Forecast for Florida

National Weather Service Tampa Bay Ruskin FL

High pressure over the Gulf will continue northwesterly to westerly winds today, and portions of the waters Friday, then winds become more easterly to northeasterly over the weekend as high pressure builds over the peninsula from the western Atlantic, returning to westerly to northwesterly early next week. Winds could become variable at times, especially over the weekend. Rain chances remain low for the next several days.

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.

Tampa Bay waters

REST OF TODAY
Northwest winds 5 to 10 knots Bay and inland waters light chop
TONIGHT
Northwest winds 5 to 10 knots, becoming north after midnight Bay and inland waters light chop
FRIDAY
Northeast winds around 5 knots, becoming northwest in the afternoon Bay and inland waters light chop Scattered showers with isolated thunderstorms in the afternoon
FRIDAY NIGHT
Northwest winds 5 to 10 knots, becoming east after midnight Bay and inland waters light chop Scattered showers with isolated thunderstorms in the evening
SATURDAY
East winds around 5 knots, becoming northwest in the afternoon Bay and inland waters light chop Isolated showers and thunderstorms in the afternoon
SATURDAY NIGHT
Northwest winds 5 to 10 knots, becoming east after midnight Bay and inland waters light chop Isolated showers and thunderstorms in the evening
SUNDAY
Southeast winds around 5 knots, becoming southwest in the afternoon Bay and inland waters light chop Isolated showers and thunderstorms in the afternoon
SUNDAY NIGHT
Northwest winds 5 to 10 knots Bay and inland waters light chop
MONDAY
Northwest winds around 5 knots, becoming west 10 to 15 knots in the afternoon Bay and inland waters a moderate chop
Reporting time 10:19 AM EDT Thu Aug 13 2026

Charlotte Harbor and Pine Island Sound

REST OF TODAY
North winds 5 to 10 knots, becoming northwest 10 to 15 knots late Bay and inland waters a moderate chop
TONIGHT
Northwest winds 10 to 15 knots, becoming northeast around 5 knots after midnight Bay and inland waters a moderate chop
FRIDAY
East winds around 5 knots, becoming southwest in the afternoon Bay and inland waters light chop Scattered showers with isolated thunderstorms in the afternoon
FRIDAY NIGHT
Northwest winds 5 to 10 knots, becoming east after midnight Bay and inland waters light chop Isolated showers and thunderstorms
SATURDAY
East winds 5 to 10 knots, becoming south in the afternoon Bay and inland waters light chop Numerous showers with isolated thunderstorms in the afternoon
SATURDAY NIGHT
Northwest winds around 5 knots, becoming east after midnight Bay and inland waters smooth Isolated thunderstorms Numerous showers, mainly in the evening
SUNDAY
Southeast winds around 5 knots, becoming southwest in the afternoon Bay and inland waters light chop
SUNDAY NIGHT
West winds 5 to 10 knots, becoming northwest after midnight Bay and inland waters light chop
MONDAY
North winds around 5 knots, becoming west 10 to 15 knots in the afternoon Bay and inland waters a moderate chop
Reporting time 10:19 AM EDT Thu Aug 13 2026

Coastal waters from Bonita Beach to Englewood FL out 20 NM

REST OF TODAY
North winds 5 to 10 knots, becoming northwest 10 to 15 knots late Seas 1 foot or less Wave Detail: Northwest 1 foot at 3 seconds Bay and inland waters a moderate chop
TONIGHT
Northwest winds 10 to 15 knots, becoming northeast 5 to 10 knots after midnight Seas around 2 feet in the evening, then 1 foot or less Wave Detail: Northwest 1 foot at 3 seconds Bay and inland waters a moderate chop
FRIDAY
East winds around 5 knots, becoming southwest around 5 knots in the afternoon Seas 1 foot or less Wave Detail: Northwest 1 foot at 3 seconds Bay and inland waters smooth Isolated showers and thunderstorms in the afternoon
FRIDAY NIGHT
Northwest winds 5 to 10 knots, becoming east after midnight Seas 1 foot or less Wave Detail: East 1 foot at 2 seconds and northwest 1 foot at 4 seconds Bay and inland waters light chop Isolated showers and thunderstorms
SATURDAY
East winds 5 to 10 knots, becoming southeast in the afternoon Seas 1 foot or less Wave Detail: Southeast 1 foot at 3 seconds and northwest 1 foot at 4 seconds Bay and inland waters light chop Isolated thunderstorms Isolated showers in the morning, then scattered showers in the afternoon
SATURDAY NIGHT
Northeast winds around 5 knots, becoming east after midnight Seas 1 foot or less Wave Detail: Southeast 1 foot at 3 seconds Bay and inland waters light chop Scattered showers with isolated thunderstorms
SUNDAY
Southeast winds 5 to 10 knots, becoming south in the afternoon Seas 1 foot or less Bay and inland waters light chop
SUNDAY NIGHT
Northwest winds 5 to 10 knots Seas 1 foot or less Bay and inland waters light chop
MONDAY
North winds around 5 knots, becoming northwest in the afternoon Seas 1 foot or less Bay and inland waters light chop
Reporting time 10:19 AM EDT Thu Aug 13 2026

Waters from Bonita Beach to Englewood FL out 20 to 60 NM

REST OF TODAY
North winds 5 to 10 knots Seas 1 foot or less Wave Detail: North 1 foot at 3 seconds
TONIGHT
North winds 5 to 10 knots Seas 1 foot or less Wave Detail: North 1 foot at 3 seconds
FRIDAY
Northeast winds around 5 knots Seas 1 foot or less Wave Detail: North 1 foot at 3 seconds Isolated showers and thunderstorms in the afternoon
FRIDAY NIGHT
North winds 5 to 10 knots, becoming east after midnight Seas 1 foot or less Wave Detail: Northwest 1 foot at 4 seconds Isolated showers and thunderstorms
SATURDAY
East winds 5 to 10 knots, diminishing to around 5 knots in the afternoon Seas 1 foot or less Wave Detail: East 1 foot at 3 seconds and northwest 1 foot at 4 seconds Isolated showers and thunderstorms
SATURDAY NIGHT
East winds around 5 knots Seas 1 foot or less Wave Detail: Southeast 1 foot at 4 seconds Isolated showers and thunderstorms
SUNDAY
Southeast winds around 5 knots Seas 1 foot or less Isolated showers and thunderstorms in the morning
SUNDAY NIGHT
Northwest winds around 5 knots Seas 1 foot or less
MONDAY
North winds around 5 knots Seas 1 foot or less
Reporting time 10:19 AM EDT Thu Aug 13 2026

Coastal waters from Englewood to Tarpon Springs FL out 20 NM

REST OF TODAY
Northwest winds 5 to 10 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 3 seconds Bay and inland waters light chop
TONIGHT
Northwest winds 5 to 10 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 3 seconds Bay and inland waters light chop
FRIDAY
Northeast winds around 5 knots, becoming northwest in the afternoon Seas 1 foot or less Wave Detail: Northwest 1 foot at 4 seconds Bay and inland waters light chop Isolated showers and thunderstorms in the afternoon
FRIDAY NIGHT
North winds 5 to 10 knots, becoming northeast after midnight Seas 1 foot or less Wave Detail: North 1 foot at 3 seconds Bay and inland waters light chop
SATURDAY
East winds 5 to 10 knots, becoming west in the afternoon Seas 1 foot or less Wave Detail: East 1 foot at 2 seconds and northwest 1 foot at 4 seconds Bay and inland waters light chop Isolated showers and thunderstorms in the afternoon
SATURDAY NIGHT
North winds 5 to 10 knots, becoming northeast after midnight Seas 1 foot or less Wave Detail: North 1 foot at 3 seconds Bay and inland waters light chop Isolated showers and thunderstorms in the evening
SUNDAY
Southeast winds around 5 knots, becoming southwest in the afternoon Seas 1 foot or less Bay and inland waters light chop
SUNDAY NIGHT
Northwest winds 5 to 10 knots Seas 1 foot or less Bay and inland waters light chop
MONDAY
Northwest winds 5 to 10 knots Seas 1 foot or less Bay and inland waters light chop
Reporting time 10:19 AM EDT Thu Aug 13 2026

Waters from Englewood to Tarpon Springs FL out 20 to 60 NM

REST OF TODAY
Northwest winds 5 to 10 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 3 seconds
TONIGHT
Northwest winds 5 to 10 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 3 seconds
FRIDAY
North winds around 5 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 4 seconds
FRIDAY NIGHT
North winds 5 to 10 knots Seas 1 foot or less Wave Detail: North 1 foot at 3 seconds
SATURDAY
Northeast winds around 5 knots Seas 1 foot or less Wave Detail: Northeast 1 foot at 2 seconds and northwest 1 foot at 4 seconds Isolated showers and thunderstorms
SATURDAY NIGHT
North winds around 5 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 2 seconds
SUNDAY
Northeast winds around 5 knots Seas 1 foot or less
SUNDAY NIGHT
Northwest winds around 5 knots Seas 1 foot or less
MONDAY
Northwest winds 5 to 10 knots Seas 1 foot or less
Reporting time 10:19 AM EDT Thu Aug 13 2026

Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM

REST OF TODAY
West winds around 10 knots Seas 1 foot or less Wave Detail: West 1 foot at 3 seconds Bay and inland waters light chop Isolated showers and thunderstorms late this morning and early afternoon
TONIGHT
West winds 5 to 10 knots Seas 1 foot or less Wave Detail: West 1 foot at 4 seconds Bay and inland waters light chop
FRIDAY
West winds around 5 knots Seas 1 foot or less Wave Detail: West 1 foot at 4 seconds Bay and inland waters smooth Isolated showers and thunderstorms in the afternoon
FRIDAY NIGHT
West winds around 5 knots, becoming northeast around 5 knots after midnight Seas 1 foot or less Wave Detail: West 1 foot at 4 seconds Bay and inland waters smooth
SATURDAY
Southeast winds around 5 knots, becoming west in the afternoon Seas 1 foot or less Wave Detail: West 1 foot at 4 seconds Bay and inland waters smooth Isolated showers and thunderstorms in the afternoon
SATURDAY NIGHT
Northwest winds around 5 knots Seas 1 foot or less Wave Detail: West 1 foot at 3 seconds Bay and inland waters smooth
SUNDAY
Southwest winds around 5 knots, becoming west in the afternoon Seas 1 foot or less Bay and inland waters light chop
SUNDAY NIGHT
West winds 5 to 10 knots Seas 1 foot or less Bay and inland waters light chop
MONDAY
West winds 5 to 10 knots Seas 1 foot or less Bay and inland waters light chop
Reporting time 10:19 AM EDT Thu Aug 13 2026

Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM

REST OF TODAY
West winds 5 to 10 knots Seas around 2 feet late this morning, then 1 foot or less Wave Detail: West 1 foot at 3 seconds and south 1 foot at 4 seconds, becoming west 1 foot at 4 seconds
TONIGHT
West winds 5 to 10 knots Seas 1 foot or less Wave Detail: West 1 foot at 4 seconds
FRIDAY
West winds around 5 knots Seas 1 foot or less Wave Detail: West 1 foot at 4 seconds and south 1 foot at 7 seconds
FRIDAY NIGHT
Northwest winds around 5 knots Seas 1 foot or less Wave Detail: West 1 foot at 4 seconds
SATURDAY
Northeast winds around 5 knots, becoming northwest in the afternoon Seas 1 foot or less Wave Detail: West 1 foot at 4 seconds
SATURDAY NIGHT
Northwest winds around 5 knots Seas 1 foot or less
SUNDAY
Northwest winds around 5 knots Seas 1 foot or less
SUNDAY NIGHT
West winds 5 to 10 knots Seas 1 foot or less
MONDAY
West winds 5 to 10 knots Seas 1 foot or less
Reporting time 10:19 AM EDT Thu Aug 13 2026
Oilrig
NWS
Buoy
Fixed Station
USGS
Ship
Other