St. Petersburg,
FL
08/17/2026 06:00 PM
89°F
TEMPERATURE
Winds 12 mph W
Partly Cloudy
Mostly clear, with a low around 82. Heat index values as high as 103. West northwest wind 8 to 12 mph.
Alerts
You have (1) alert(s). Tap to see details.
| Heat Advisory issued August 17 at 12:40AM EDT until August 17 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 |
| 08/17/2026 12:40 AM | 08/17/2026 07:00 PM | 08/17/2026 07:00 PM |
* WHAT...Heat index values up to 110 expected.
* WHERE...All of southwest and west central Florida.
* WHEN...From 11 AM this morning to 7 PM EDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
|
||
Moonrise
12:50 PM
Moonset
12:01 AM
Sunrise
07:02 AM
Moon Phase
Waxing crescent
Sunset
08:07 PM
Hourly Forecast
Mon, 06:00 PM
Partly CloudyWinds: 12 mph W
89°
Mon, 07:00 PM
Partly CloudyWinds: 12 mph W
88°
Mon, 08:00 PM
Mostly ClearWinds: 10 mph W
87°
Mon, 09:00 PM
Mostly ClearWinds: 9 mph W
86°
Mon, 10:00 PM
Mostly ClearWinds: 9 mph W
86°
Mon, 11:00 PM
Mostly ClearWinds: 9 mph W
85°
Tue, 12:00 AM
Mostly ClearWinds: 9 mph W
85°
Tue, 01:00 AM
Mostly ClearWinds: 9 mph WNW
85°
Tue, 02:00 AM
Mostly ClearWinds: 8 mph WNW
85°
Tue, 03:00 AM
Mostly ClearWinds: 9 mph WNW
84°
Tue, 04:00 AM
Mostly ClearWinds: 9 mph WNW
84°
Tue, 05:00 AM
Mostly ClearWinds: 9 mph WNW
84°
Tue, 06:00 AM
SunnyWinds: 9 mph WNW
84°
Tue, 07:00 AM
SunnyWinds: 10 mph WNW
84°
Tue, 08:00 AM
SunnyWinds: 10 mph WNW
85°
Tue, 09:00 AM
SunnyWinds: 12 mph WNW
86°
Tue, 10:00 AM
SunnyWinds: 12 mph WNW
88°
Tue, 11:00 AM
Mostly SunnyWinds: 13 mph WNW
89°
Tue, 12:00 PM
Mostly SunnyWinds: 13 mph W
89°
Tue, 01:00 PM
Mostly SunnyWinds: 14 mph W
90°
Tue, 02:00 PM
Mostly SunnyWinds: 14 mph WNW
90°
Tue, 03:00 PM
Mostly SunnyWinds: 15 mph W
90°
Tue, 04:00 PM
Mostly SunnyWinds: 15 mph W
89°
Tue, 05:00 PM
Mostly SunnyWinds: 15 mph W
89°
Winds: 8 to 12 mph WNW
Mostly clear, with a low around 82. Heat index values as high as 103. West northwest wind 8 to 12 mph.
Winds: 9 to 15 mph WNW
Mostly sunny, with a high near 91. Heat index values as high as 105. West northwest wind 9 to 15 mph, with gusts as high as 18 mph.
Winds: 9 to 14 mph WNW
Isolated showers and thunderstorms after 5am. Partly cloudy, with a low around 82. Heat index values as high as 103. West northwest wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Winds: 10 to 14 mph WNW
Scattered showers and thunderstorms before 8am, then scattered showers and thunderstorms. Partly sunny, with a high near 90. Heat index values as high as 104. West northwest wind 10 to 14 mph. Chance of precipitation is 50%.
Winds: 6 to 12 mph W
Isolated showers and thunderstorms before 8pm, then scattered showers and thunderstorms. Partly cloudy, with a low around 82. West wind 6 to 12 mph. Chance of precipitation is 30%.
Winds: 6 to 10 mph W
Scattered showers and thunderstorms before 8am, then scattered showers and thunderstorms. Mostly sunny, with a high near 89. West wind 6 to 10 mph. Chance of precipitation is 30%.
Winds: 5 to 9 mph WSW
Scattered showers and thunderstorms. Partly cloudy, with a low around 80. West southwest wind 5 to 9 mph. Chance of precipitation is 30%.
Winds: 5 to 10 mph SW
Scattered showers and thunderstorms. Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Winds: 6 to 9 mph SW
Scattered showers and thunderstorms. Partly cloudy, with a low around 80. Southwest wind 6 to 9 mph. Chance of precipitation is 40%.
Winds: 6 to 12 mph SW
Scattered showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
Winds: 6 to 9 mph SW
Scattered showers and thunderstorms. Partly cloudy, with a low around 81. Chance of precipitation is 40%.
Winds: 6 to 12 mph SW
Scattered showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
Winds: 5 to 10 mph SW
Scattered showers and thunderstorms before 8pm. Partly cloudy, with a low around 81. Chance of precipitation is 30%.
Winds: 5 to 9 mph SW
Isolated showers and thunderstorms after 8am. Mostly sunny, with a high near 89.
Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
Onshore flow sets up across the waters this week as high pressure ridge holds south of the waters. Moisture increases with isolated to scattered showers and thunderstorms expected each day, most likely during the late night and morning hours.
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.
TONIGHT
West winds 10 to 15 knots, diminishing to around 10 knots late this evening and overnight Bay and inland waters a moderate chop
TUESDAY
West winds 10 to 15 knots Bay and inland waters a moderate chop Isolated showers and thunderstorms in the afternoon
TUESDAY NIGHT
West winds 10 to 15 knots Bay and inland waters a moderate chop
WEDNESDAY
West winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon Bay and inland waters a moderate chop Scattered showers and thunderstorms
WEDNESDAY NIGHT
West winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight Bay and inland waters a moderate chop Scattered showers and thunderstorms, mainly in the evening
THURSDAY
West winds 5 to 10 knots, increasing to around 10 knots in the afternoon Bay and inland waters light chop Scattered showers and thunderstorms
THURSDAY NIGHT
Southwest winds 5 to 10 knots Bay and inland waters light chop Scattered showers and thunderstorms
FRIDAY
Southwest winds 5 to 10 knots, increasing to around 10 knots in the afternoon Bay and inland waters light chop Scattered showers and thunderstorms
FRIDAY NIGHT
Southwest winds 5 to 10 knots Bay and inland waters light chop Scattered showers and thunderstorms
SATURDAY
Southwest winds 5 to 10 knots, increasing to around 10 knots in the afternoon Bay and inland waters light chop Scattered showers and thunderstorms
TONIGHT
West winds 10 to 15 knots, becoming northwest 5 to 10 knots late this evening and overnight Bay and inland waters a moderate chop
TUESDAY
Northwest winds 5 to 10 knots, becoming west 10 to 15 knots with gusts up to 20 knots in the afternoon Bay and inland waters a moderate chop
TUESDAY NIGHT
West winds 10 to 15 knots with gusts up to 20 knots, becoming northwest 5 to 10 knots after midnight Bay and inland waters a moderate chop
WEDNESDAY
West winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon Bay and inland waters a moderate chop Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon
WEDNESDAY NIGHT
Northwest winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight Bay and inland waters a moderate chop Scattered showers Scattered thunderstorms, mainly in the evening
THURSDAY
West winds around 5 knots, increasing to around 10 knots in the afternoon Bay and inland waters light chop Scattered showers and thunderstorms
THURSDAY NIGHT
West winds 5 to 10 knots, becoming southwest after midnight Bay and inland waters light chop Scattered showers and thunderstorms
FRIDAY
Southwest winds around 5 knots, increasing to around 10 knots in the afternoon Bay and inland waters light chop Scattered showers and thunderstorms
FRIDAY NIGHT
Southwest winds 5 to 10 knots Bay and inland waters light chop Scattered showers and thunderstorms, mainly in the evening
SATURDAY
Southwest winds 5 to 10 knots, increasing to around 10 knots in the afternoon Bay and inland waters light chop Scattered showers and thunderstorms
TONIGHT
Northwest winds 10 to 15 knots, diminishing to 5 to 10 knots late this evening and overnight Seas 1 foot or less Wave Detail: Northwest 1 foot at 3 seconds Bay and inland waters a moderate chop
TUESDAY
Northwest winds 5 to 10 knots, becoming west 10 to 15 knots with gusts up to 20 knots in the afternoon Seas 1 foot or less, then around 2 feet in the afternoon Wave Detail: Northwest 1 foot at 3 seconds, becoming northwest 2 feet at 3 seconds Bay and inland waters a moderate chop
TUESDAY NIGHT
Northwest winds 10 to 15 knots Seas around 2 feet Wave Detail: Northwest 2 feet at 4 seconds Bay and inland waters a moderate chop
WEDNESDAY
Northwest winds 10 to 15 knots Seas around 2 feet Wave Detail: Northwest 2 feet at 4 seconds Bay and inland waters a moderate chop Isolated showers and thunderstorms
WEDNESDAY NIGHT
Northwest winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight Seas around 2 feet Wave Detail: Northwest 2 feet at 5 seconds Bay and inland waters a moderate chop Isolated thunderstorms Isolated showers in the evening, then scattered showers after midnight
THURSDAY
West winds 5 to 10 knots Seas around 2 feet in the morning, then 1 foot or less Wave Detail: Northwest 1 foot at 5 seconds Bay and inland waters light chop Isolated thunderstorms Scattered showers, mainly in the morning
THURSDAY NIGHT
West winds 5 to 10 knots Seas around 2 feet in the evening, then 1 foot or less Bay and inland waters light chop Scattered showers and thunderstorms after midnight
FRIDAY
Southwest winds 5 to 10 knots Seas 1 foot or less Bay and inland waters light chop Scattered showers and thunderstorms, mainly in the morning
FRIDAY NIGHT
Southwest winds 5 to 10 knots Seas 1 foot or less Bay and inland waters light chop Isolated showers and thunderstorms in the evening, then scattered showers and thunderstorms after midnight
SATURDAY
Southwest winds 5 to 10 knots Seas 1 foot or less Bay and inland waters light chop Scattered showers and thunderstorms
TONIGHT
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
TUESDAY
Northwest winds 5 to 10 knots Seas 1 foot or less Wave Detail: Northwest 1 foot at 3 seconds
TUESDAY NIGHT
Northwest winds around 10 knots Seas around 2 feet Wave Detail: Northwest 2 feet at 4 seconds
WEDNESDAY
Northwest winds 5 to 10 knots Seas around 2 feet Wave Detail: Northwest 2 feet at 5 seconds Isolated showers and thunderstorms in the afternoon
WEDNESDAY NIGHT
Northwest winds 5 to 10 knots Seas around 2 feet Wave Detail: Northwest 2 feet at 5 seconds Isolated thunderstorms Isolated showers in the evening, then scattered showers after midnight
THURSDAY
West winds around 5 knots Seas around 2 feet Wave Detail: Northwest 2 feet at 5 seconds Isolated thunderstorms Scattered showers, mainly in the morning
THURSDAY NIGHT
West winds around 5 knots Seas around 2 feet in the evening, then 1 foot or less Scattered showers and thunderstorms after midnight
FRIDAY
Southwest winds around 5 knots Seas 1 foot or less, then around 2 feet in the afternoon Scattered showers and thunderstorms, mainly in the morning
FRIDAY NIGHT
Southwest winds around 5 knots Seas around 2 feet in the evening, then 1 foot or less Isolated showers and thunderstorms after midnight
SATURDAY
Southwest winds around 5 knots Seas 1 foot or less Isolated showers and thunderstorms
TONIGHT
West winds around 10 knots Seas around 2 feet Wave Detail: West 1 foot at 3 seconds and south 1 foot at 4 seconds Bay and inland waters light chop
TUESDAY
West winds 10 to 15 knots Seas around 2 feet Wave Detail: Northwest 2 feet at 4 seconds Bay and inland waters a moderate chop
TUESDAY NIGHT
West winds 10 to 15 knots Seas around 2 feet Wave Detail: Northwest 2 feet at 4 seconds Bay and inland waters a moderate chop
WEDNESDAY
West winds 10 to 15 knots Seas around 2 feet Wave Detail: West 2 feet at 5 seconds Bay and inland waters a moderate chop Scattered showers and thunderstorms
WEDNESDAY NIGHT
West winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight Seas around 2 feet Wave Detail: Northwest 2 feet at 5 seconds Bay and inland waters a moderate chop Isolated thunderstorms Isolated showers in the evening, then scattered showers after midnight
THURSDAY
West winds 5 to 10 knots, increasing to around 10 knots in the afternoon Seas around 2 feet Wave Detail: West 2 feet at 5 seconds Bay and inland waters light chop Isolated thunderstorms Scattered showers, mainly in the morning
THURSDAY NIGHT
West winds 5 to 10 knots Seas around 2 feet Bay and inland waters light chop Isolated showers and thunderstorms in the evening, then scattered showers and thunderstorms after midnight
FRIDAY
Southwest winds 5 to 10 knots, increasing to around 10 knots in the afternoon Seas around 2 feet Bay and inland waters light chop Scattered showers and thunderstorms
FRIDAY NIGHT
Southwest winds 5 to 10 knots Seas around 2 feet Bay and inland waters light chop Isolated showers and thunderstorms in the evening, then scattered showers and thunderstorms after midnight
SATURDAY
Southwest winds 5 to 10 knots, increasing to around 10 knots in the afternoon Seas around 2 feet Bay and inland waters light chop Scattered showers and thunderstorms
TONIGHT
West winds around 10 knots Seas around 2 feet Wave Detail: Northwest 1 foot at 3 seconds and south 1 foot at 5 seconds
TUESDAY
West winds 10 to 15 knots Seas around 2 feet Wave Detail: Northwest 2 feet at 4 seconds
TUESDAY NIGHT
West winds 10 to 15 knots Seas around 2 feet Wave Detail: Northwest 2 feet at 4 seconds Isolated showers and thunderstorms after midnight
WEDNESDAY
West winds around 10 knots Seas around 2 feet Wave Detail: Northwest 2 feet at 5 seconds Scattered showers and thunderstorms
WEDNESDAY NIGHT
West winds 5 to 10 knots Seas around 2 feet Wave Detail: Northwest 2 feet at 5 seconds Isolated thunderstorms Isolated showers in the evening, then scattered showers after midnight
THURSDAY
West winds 5 to 10 knots Seas around 2 feet Wave Detail: Northwest 2 feet at 5 seconds Scattered showers Isolated thunderstorms in the morning, then scattered thunderstorms in the afternoon
THURSDAY NIGHT
West winds 5 to 10 knots Seas around 2 feet Scattered showers and thunderstorms after midnight
FRIDAY
Southwest winds 5 to 10 knots Seas around 2 feet Scattered showers and thunderstorms
FRIDAY NIGHT
Southwest winds 5 to 10 knots Seas around 2 feet Isolated showers and thunderstorms in the evening, then scattered showers and thunderstorms after midnight
SATURDAY
Southwest winds 5 to 10 knots Seas around 2 feet Scattered showers and thunderstorms
TONIGHT
West winds 10 to 15 knots Seas around 2 feet Wave Detail: West 2 feet at 3 seconds Bay and inland waters a moderate chop
TUESDAY
West winds 10 to 15 knots Seas around 2 feet Wave Detail: West 2 feet at 4 seconds Bay and inland waters a moderate chop Scattered showers and thunderstorms
TUESDAY NIGHT
West winds 10 to 15 knots Seas around 2 feet Wave Detail: West 2 feet at 4 seconds Bay and inland waters a moderate chop Scattered showers and thunderstorms after midnight
WEDNESDAY
West winds 10 to 15 knots Seas around 2 feet Wave Detail: West 2 feet at 4 seconds Bay and inland waters a moderate chop Numerous showers and scattered thunderstorms
WEDNESDAY NIGHT
West winds 5 to 10 knots Seas around 2 feet Wave Detail: West 2 feet at 5 seconds Bay and inland waters light chop Isolated thunderstorms Isolated showers in the evening, then scattered showers after midnight
THURSDAY
West winds 5 to 10 knots, increasing to around 10 knots in the afternoon Seas around 2 feet Wave Detail: West 1 foot at 5 seconds Bay and inland waters light chop Scattered showers and thunderstorms
THURSDAY NIGHT
Southwest winds 5 to 10 knots Seas 1 foot or less Bay and inland waters light chop Isolated showers and thunderstorms in the evening, then scattered showers and thunderstorms after midnight
FRIDAY
Southwest winds 5 to 10 knots, increasing to around 10 knots in the afternoon Seas around 2 feet Bay and inland waters light chop Scattered showers and thunderstorms
FRIDAY NIGHT
Southwest winds 5 to 10 knots Seas around 2 feet Bay and inland waters light chop Scattered showers and thunderstorms
SATURDAY
Southwest winds 5 to 10 knots, increasing to around 10 knots in the afternoon Seas around 2 feet Bay and inland waters light chop Scattered showers and thunderstorms
TONIGHT
West winds 10 to 15 knots Seas around 2 feet Wave Detail: West 2 feet at 4 seconds and south 1 foot at 7 seconds
TUESDAY
West winds 10 to 15 knots Seas around 2 feet Wave Detail: West 2 feet at 4 seconds Scattered showers and thunderstorms, mainly in the morning
TUESDAY NIGHT
West winds 10 to 15 knots Seas 2 to 3 feet Wave Detail: West 2 feet at 4 seconds Scattered showers and thunderstorms after midnight
WEDNESDAY
West winds 10 to 15 knots Seas around 2 feet Wave Detail: West 2 feet at 5 seconds Numerous showers and scattered thunderstorms
WEDNESDAY NIGHT
West winds around 10 knots Seas around 2 feet Wave Detail: West 2 feet at 5 seconds Scattered showers with isolated thunderstorms after midnight
THURSDAY
West winds 5 to 10 knots Seas around 2 feet Wave Detail: West 2 feet at 5 seconds Scattered showers and thunderstorms
THURSDAY NIGHT
West winds 5 to 10 knots Seas around 2 feet Scattered showers and thunderstorms after midnight
FRIDAY
Southwest winds 5 to 10 knots Seas around 2 feet Scattered showers and thunderstorms
FRIDAY NIGHT
Southwest winds around 10 knots Seas around 2 feet Isolated showers and thunderstorms in the evening, then scattered showers and thunderstorms after midnight
SATURDAY
Southwest winds 5 to 10 knots Seas around 2 feet Scattered showers and thunderstorms
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