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| Heat Advisory issued August 20 at 12:09AM EDT until August 20 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 |
| 08/20/2026 12:09 AM | 08/20/2026 07:00 PM | 08/20/2026 07:00 PM |
* WHAT...Heat index values up to 109 expected.
* WHERE...Portions 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.
|
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Hourly Forecast
Thu, 05:00 PM
Isolated Showers And ThunderstormsWinds: 9 mph WNW
Thu, 06:00 PM
Isolated Showers And ThunderstormsWinds: 8 mph WNW
Thu, 07:00 PM
Partly CloudyWinds: 7 mph WNW
Thu, 08:00 PM
Partly CloudyWinds: 6 mph NW
Thu, 09:00 PM
Partly CloudyWinds: 6 mph NNW
Thu, 10:00 PM
Partly CloudyWinds: 5 mph W
Thu, 11:00 PM
Partly CloudyWinds: 6 mph W
Fri, 12:00 AM
Partly CloudyWinds: 5 mph SW
Fri, 01:00 AM
Partly CloudyWinds: 5 mph WSW
Fri, 02:00 AM
Partly CloudyWinds: 5 mph WSW
Fri, 03:00 AM
Partly CloudyWinds: 5 mph WSW
Fri, 04:00 AM
Partly CloudyWinds: 5 mph WSW
Fri, 05:00 AM
Partly CloudyWinds: 5 mph WSW
Fri, 06:00 AM
Mostly SunnyWinds: 5 mph W
Fri, 07:00 AM
Mostly SunnyWinds: 5 mph W
Fri, 08:00 AM
Mostly SunnyWinds: 5 mph WSW
Fri, 09:00 AM
Isolated Showers And ThunderstormsWinds: 5 mph W
Fri, 10:00 AM
Isolated Showers And ThunderstormsWinds: 6 mph W
Fri, 11:00 AM
Isolated Showers And ThunderstormsWinds: 7 mph WSW
Fri, 12:00 PM
Isolated Showers And ThunderstormsWinds: 7 mph SW
Fri, 01:00 PM
Scattered Showers And ThunderstormsWinds: 8 mph WSW
Fri, 02:00 PM
Mostly SunnyWinds: 9 mph W
Fri, 03:00 PM
Partly SunnyWinds: 10 mph WSW
Fri, 04:00 PM
Partly SunnyWinds: 10 mph WSW
Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
High pressure will hold over the waters through the period with relatively light winds and seas. The main hazard will be scattered showers and thunderstorms which may produce locally gusty winds and rough seas, mainly during the overnight and early 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.