St. Petersburg, FL
08/12/2026 10:00 AM
86°F
TEMPERATURE
Winds 5 mph NW
Mostly Sunny
Sunny, with a high near 90. Heat index values as high as 103. West northwest wind 5 to 12 mph.

Alerts

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

Heat Advisory

Moderate
Heat Advisory issued August 12 at 1:06AM EDT until August 12 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
08/12/2026 01:06 AM 08/12/2026 07:00 PM 08/12/2026 07:00 PM 
* WHAT...Heat index values up to 108 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
07:43 AM
Moonset
09:19 PM
Sunrise
06:59 AM
Moon Phase
Waning crescent
Sunset
08:12 PM

Hourly Forecast

Wed, 10:00 AM

Mostly Sunny
Winds: 5 mph NW
86°

Wed, 11:00 AM

Sunny
Winds: 6 mph WNW
87°

Wed, 12:00 PM

Sunny
Winds: 7 mph WNW
88°

Wed, 01:00 PM

Sunny
Winds: 9 mph WNW
88°

Wed, 02:00 PM

Sunny
Winds: 10 mph WNW
88°

Wed, 03:00 PM

Sunny
Winds: 12 mph WNW
89°

Wed, 04:00 PM

Sunny
Winds: 12 mph WNW
89°

Wed, 05:00 PM

Sunny
Winds: 12 mph WNW
88°

Wed, 06:00 PM

Mostly Clear
Winds: 12 mph WNW
88°

Wed, 07:00 PM

Mostly Clear
Winds: 10 mph WNW
87°

Wed, 08:00 PM

Mostly Clear
Winds: 9 mph WNW
86°

Wed, 09:00 PM

Mostly Clear
Winds: 8 mph WNW
85°

Wed, 10:00 PM

Mostly Clear
Winds: 7 mph WNW
84°

Wed, 11:00 PM

Mostly Clear
Winds: 7 mph WNW
84°

Thu, 12:00 AM

Mostly Clear
Winds: 7 mph WNW
84°

Thu, 01:00 AM

Mostly Clear
Winds: 6 mph WNW
84°

Thu, 02:00 AM

Mostly Clear
Winds: 6 mph WNW
83°

Thu, 03:00 AM

Mostly Clear
Winds: 6 mph NW
83°

Thu, 04:00 AM

Mostly Clear
Winds: 6 mph NW
82°

Thu, 05:00 AM

Partly Cloudy
Winds: 6 mph NW
82°

Thu, 06:00 AM

Mostly Sunny
Winds: 6 mph NW
82°

Thu, 07:00 AM

Sunny
Winds: 5 mph NW
82°

Thu, 08:00 AM

Mostly Sunny
Winds: 5 mph NW
83°

Thu, 09:00 AM

Mostly Sunny
Winds: 6 mph NW
84°

Today

Sunny
90°
Winds: 5 to 12 mph WNW
Sunny, with a high near 90. Heat index values as high as 103. West northwest wind 5 to 12 mph.

Tonight

Mostly Clear
81°
Winds: 6 to 12 mph NW
Mostly clear, with a low around 81. Heat index values as high as 100. Northwest wind 6 to 12 mph.

Thursday

Sunny
90°
Winds: 5 to 12 mph WNW
Sunny, with a high near 90. Heat index values as high as 102. West northwest wind 5 to 12 mph.

Thursday Night

Mostly Clear
81°
Winds: 3 to 10 mph NNW
Mostly clear, with a low around 81. Heat index values as high as 99. North northwest wind 3 to 10 mph.

Friday

Scattered Showers And Thunderstorms
91°
Winds: 3 to 8 mph N
Scattered showers and thunderstorms after 8am. Mostly sunny, with a high near 91. North wind 3 to 8 mph. Chance of precipitation is 30%.

Friday Night

Scattered Showers And Thunderstorms then Mostly Clear
81°
Winds: 5 to 8 mph N
Scattered showers and thunderstorms before 8pm. Mostly clear, with a low around 81. North wind 5 to 8 mph. Chance of precipitation is 30%.

Saturday

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

Saturday Night

Isolated Showers And Thunderstorms then Partly Cloudy
81°
Winds: 5 to 8 mph N
Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 81. North wind 5 to 8 mph. Chance of precipitation is 20%.

Sunday

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

Sunday Night

Partly Cloudy
81°
Winds: 5 to 9 mph NW
Partly cloudy, with a low around 81.

Monday

Sunny then Isolated Showers And Thunderstorms
90°
Winds: 5 to 12 mph WNW
Isolated showers and thunderstorms after 2pm. Sunny, with a high near 90. Chance of precipitation is 20%.

Monday Night

Isolated Showers And Thunderstorms then Partly Cloudy
81°
Winds: 7 to 12 mph NW
Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 81. Chance of precipitation is 20%.

Tuesday

Sunny then Isolated Showers And Thunderstorms
90°
Winds: 6 to 10 mph WNW
Isolated showers and thunderstorms after 2pm. Sunny, with a high near 90. Chance of precipitation is 20%.

Tuesday Night

Isolated Showers And Thunderstorms
81°
Winds: 5 to 10 mph NNW
Isolated showers and thunderstorms before 2am. Partly cloudy, with a low around 81.

Coastal Waters Forecast for Florida

National Weather Service Tampa Bay Ruskin FL

High pressure will keep northwest winds in place over the waters for the next couple of days, with no headlines expected. Rain chances remain low through the end of the week.

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

THIS AFTERNOON
Northwest winds 5 to 10 knots, increasing to 10 to 15 knots late Bay and inland waters a moderate chop
TONIGHT
Northwest winds 5 to 10 knots Bay and inland waters light chop
THURSDAY
Northwest winds 5 to 10 knots Bay and inland waters light chop
THURSDAY NIGHT
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 Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon
FRIDAY NIGHT
Northwest winds 5 to 10 knots, becoming northeast after midnight Bay and inland waters light chop Scattered showers and thunderstorms in the evening
SATURDAY
Southeast winds around 5 knots, becoming west 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 northeast after midnight Bay and inland waters light chop Isolated showers and thunderstorms in the evening
SUNDAY
Southeast winds around 5 knots, becoming west in the afternoon Bay and inland waters light chop Isolated showers and thunderstorms in the afternoon
Reporting time 10:02 AM EDT Wed Aug 12 2026

Charlotte Harbor and Pine Island Sound

THIS AFTERNOON
Northwest winds around 5 knots, increasing to 5 to 10 knots Bay and inland waters light chop Isolated showers and thunderstorms
TONIGHT
Northwest winds 5 to 10 knots Bay and inland waters light chop Isolated showers and thunderstorms in the evening
THURSDAY
North winds around 5 knots, becoming northwest in the afternoon Bay and inland waters light chop Isolated showers and thunderstorms in the afternoon
THURSDAY NIGHT
Northwest winds 5 to 10 knots, becoming northeast after midnight Bay and inland waters light chop
FRIDAY
East winds around 5 knots, becoming southwest in the afternoon Bay and inland waters light chop Scattered showers and thunderstorms in the afternoon
FRIDAY NIGHT
North winds 5 to 10 knots, becoming east after midnight Bay and inland waters light chop Scattered showers and thunderstorms in the evening
SATURDAY
East winds 5 to 10 knots, becoming south in the afternoon Bay and inland waters light chop Scattered showers and thunderstorms in the afternoon
SATURDAY NIGHT
Northwest winds around 5 knots, becoming southeast after midnight Bay and inland waters smooth Scattered showers and thunderstorms in the evening
SUNDAY
Southeast winds around 5 knots, becoming southwest in the afternoon Bay and inland waters light chop
Reporting time 10:02 AM EDT Wed Aug 12 2026

Coastal waters from Bonita Beach to Englewood FL out 20 NM

THIS AFTERNOON
Northwest winds 5 to 10 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 2 seconds and south 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
THURSDAY
North winds 5 to 10 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 3 seconds Bay and inland waters light chop
THURSDAY NIGHT
Northwest winds 5 to 10 knots, becoming northeast after midnight Seas 1 foot or less Wave Detail: Northwest 1 foot at 3 seconds Bay and inland waters light chop Isolated showers and thunderstorms after midnight
FRIDAY
East winds around 5 knots, becoming west around 5 knots in the afternoon Seas 1 foot or less Wave Detail: Northwest 1 foot at 4 seconds Bay and inland waters smooth Isolated showers and thunderstorms
FRIDAY NIGHT
North winds 5 to 10 knots, becoming east after midnight Seas 1 foot or less Wave Detail: East 1 foot at 3 seconds and northwest 1 foot at 4 seconds Bay and inland waters light chop Isolated showers and thunderstorms in the evening
SATURDAY
East winds 5 to 10 knots, becoming south in the afternoon Seas 1 foot or less Bay and inland waters light chop Isolated showers and thunderstorms in the afternoon
SATURDAY NIGHT
Northwest winds around 5 knots, becoming east after midnight Seas 1 foot or less Bay and inland waters smooth 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
Reporting time 10:02 AM EDT Wed Aug 12 2026

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

THIS AFTERNOON
Northwest winds 5 to 10 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 2 seconds and south 1 foot at 4 seconds
TONIGHT
Northwest winds 5 to 10 knots Seas 1 foot or less Wave Detail: North 1 foot at 2 seconds and south 1 foot at 4 seconds
THURSDAY
North winds 5 to 10 knots Seas 1 foot or less Wave Detail: North 1 foot at 3 seconds
THURSDAY NIGHT
North winds 5 to 10 knots Seas 1 foot or less Wave Detail: North 1 foot at 3 seconds Isolated showers and thunderstorms after midnight
FRIDAY
Northeast winds around 5 knots Seas 1 foot or less Wave Detail: North 1 foot at 4 seconds Isolated showers and thunderstorms
FRIDAY NIGHT
North winds 5 to 10 knots, becoming east after midnight Seas 1 foot or less Wave Detail: North 1 foot at 4 seconds Isolated showers and thunderstorms
SATURDAY
East winds 5 to 10 knots Seas 1 foot or less Isolated showers and thunderstorms
SATURDAY NIGHT
East winds around 5 knots Seas 1 foot or less Isolated showers and thunderstorms
SUNDAY
East winds around 5 knots Seas 1 foot or less Isolated showers and thunderstorms in the morning
Reporting time 10:02 AM EDT Wed Aug 12 2026

Coastal waters from Englewood to Tarpon Springs FL out 20 NM

THIS AFTERNOON
Northwest winds 5 to 10 knots Seas 1 foot or less Wave Detail: South 1 foot at 4 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 and south 1 foot at 4 seconds Bay and inland waters light chop
THURSDAY
Northwest winds 5 to 10 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 3 seconds and south 1 foot at 4 seconds Bay and inland waters light chop
THURSDAY NIGHT
Northwest winds 5 to 10 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 4 seconds Bay and inland waters light chop
FRIDAY
North winds 5 to 10 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 4 seconds Bay and inland waters light chop Isolated showers and thunderstorms
FRIDAY NIGHT
Northwest winds 5 to 10 knots, becoming northeast after midnight Seas 1 foot or less Wave Detail: Northeast 1 foot at 3 seconds and northwest 1 foot at 4 seconds Bay and inland waters light chop Isolated showers and thunderstorms in the evening
SATURDAY
East winds 5 to 10 knots, becoming west in the afternoon Seas 1 foot or less Bay and inland waters light chop Isolated showers and thunderstorms in the afternoon
SATURDAY NIGHT
Northwest winds 5 to 10 knots, becoming northeast after midnight Seas 1 foot or less Bay and inland waters light chop
SUNDAY
East winds around 5 knots, becoming west in the afternoon Seas 1 foot or less Bay and inland waters light chop
Reporting time 10:02 AM EDT Wed Aug 12 2026

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

THIS AFTERNOON
Northwest winds 5 to 10 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 2 seconds and south 1 foot at 4 seconds
TONIGHT
Northwest winds 5 to 10 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 3 seconds and south 1 foot at 4 seconds
THURSDAY
Northwest winds 5 to 10 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 3 seconds and south 1 foot at 5 seconds
THURSDAY NIGHT
Northwest winds 5 to 10 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 4 seconds and southwest 1 foot at 6 seconds
FRIDAY
North winds around 5 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 4 seconds Isolated showers and thunderstorms in the morning
FRIDAY NIGHT
North winds around 5 knots Seas 1 foot or less Wave Detail: Northeast 1 foot at 3 seconds and northwest 1 foot at 4 seconds
SATURDAY
Northeast winds around 5 knots Seas 1 foot or less Isolated showers and thunderstorms in the morning
SATURDAY NIGHT
North winds around 5 knots Seas 1 foot or less
SUNDAY
Northeast winds around 5 knots, becoming north around 5 knots in the afternoon Seas 1 foot or less
Reporting time 10:02 AM EDT Wed Aug 12 2026

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

THIS AFTERNOON
West winds 5 to 10 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 3 seconds and south 1 foot at 4 seconds Bay and inland waters light chop
TONIGHT
West winds around 10 knots Seas 1 foot or less, then around 2 feet after midnight Wave Detail: West 1 foot at 3 seconds and south 1 foot at 4 seconds Bay and inland waters light chop
THURSDAY
West winds 5 to 10 knots Seas 1 to 2 feet in the morning, then 1 foot or less Wave Detail: South 1 foot at 4 seconds and west 1 foot at 4 seconds, then Wave Detail: West 1 foot at 4 seconds and south 1 foot at 5 seconds Bay and inland waters light chop Isolated showers and thunderstorms in the morning
THURSDAY NIGHT
West winds 5 to 10 knots Seas 1 foot or less Wave Detail: Southwest 1 foot at 5 seconds Bay and inland waters light chop
FRIDAY
West winds around 5 knots Seas 1 foot or less Wave Detail: Southwest 1 foot at 5 seconds Bay and inland waters smooth Isolated showers and thunderstorms
FRIDAY NIGHT
West winds around 5 knots, becoming north around 5 knots after midnight Seas 1 foot or less Wave Detail: West 1 foot at 4 seconds Bay and inland waters smooth
SATURDAY
East winds around 5 knots, becoming west in the afternoon Seas 1 foot or less Bay and inland waters smooth
SATURDAY NIGHT
Northwest winds 5 to 10 knots, diminishing to around 5 knots after midnight Seas 1 foot or less Bay and inland waters light chop
SUNDAY
North winds around 5 knots, becoming west in the afternoon Seas 1 foot or less Bay and inland waters light chop
Reporting time 10:02 AM EDT Wed Aug 12 2026

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

THIS AFTERNOON
Northwest winds 5 to 10 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 3 seconds and south 1 foot at 5 seconds
TONIGHT
West winds around 10 knots Seas around 2 feet Wave Detail: West 1 foot at 3 seconds and south 1 foot at 5 seconds
THURSDAY
West winds 5 to 10 knots Seas around 2 feet in the morning, then 1 foot or less Wave Detail: West 1 foot at 4 seconds and south 1 foot at 5 seconds
THURSDAY NIGHT
West winds 5 to 10 knots Seas 1 foot or less Wave Detail: Southwest 1 foot at 5 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 and south 1 foot at 7 seconds
SATURDAY
North winds around 5 knots Seas 1 foot or less
SATURDAY NIGHT
Northwest winds around 5 knots Seas 1 foot or less
SUNDAY
Northwest winds around 5 knots Seas 1 foot or less
Reporting time 10:02 AM EDT Wed Aug 12 2026
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