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| Heat Advisory issued August 18 at 12:38AM EDT until August 18 at 8:00PM EDT by NWS Melbourne FL | ||
| NWS Melbourne FL | ||
| Category | Certainty | Severity |
| Met | Likely | Moderate |
| Status | Urgency | Category |
| Actual | Expected | Met |
| Effective | Ends | Expires |
| 08/18/2026 12:38 AM | 08/18/2026 08:00 PM | 08/18/2026 08:00 PM |
* WHAT...Heat index values of 108 to 112 expected.
* WHERE...Portions of east central Florida.
* WHEN...From 10 AM this morning to 8 PM EDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
|
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Hourly Forecast
Tue, 06:00 AM
SunnyWinds: 5 mph W
Tue, 07:00 AM
SunnyWinds: 10 mph W
Tue, 08:00 AM
SunnyWinds: 10 mph W
Tue, 09:00 AM
SunnyWinds: 10 mph W
Tue, 10:00 AM
SunnyWinds: 10 mph WNW
Tue, 11:00 AM
SunnyWinds: 10 mph WNW
Tue, 12:00 PM
SunnyWinds: 10 mph NW
Tue, 01:00 PM
SunnyWinds: 5 mph NNE
Tue, 02:00 PM
Slight Chance Showers And ThunderstormsWinds: 5 mph ENE
Tue, 03:00 PM
Chance Showers And ThunderstormsWinds: 5 mph SSE
Tue, 04:00 PM
Chance Showers And ThunderstormsWinds: 5 mph SE
Tue, 05:00 PM
Chance Showers And ThunderstormsWinds: 5 mph ESE
Tue, 06:00 PM
Chance Showers And ThunderstormsWinds: 5 mph ENE
Tue, 07:00 PM
Chance Showers And ThunderstormsWinds: 5 mph N
Tue, 08:00 PM
Chance Showers And ThunderstormsWinds: 5 mph W
Tue, 09:00 PM
Slight Chance Showers And ThunderstormsWinds: 5 mph WNW
Tue, 10:00 PM
Partly CloudyWinds: 5 mph W
Tue, 11:00 PM
Partly CloudyWinds: 5 mph WSW
Wed, 12:00 AM
Partly CloudyWinds: 5 mph WSW
Wed, 01:00 AM
Mostly ClearWinds: 5 mph W
Wed, 02:00 AM
Mostly ClearWinds: 5 mph W
Wed, 03:00 AM
Mostly ClearWinds: 5 mph W
Wed, 04:00 AM
Mostly ClearWinds: 5 mph W
Wed, 05:00 AM
Mostly ClearWinds: 5 mph W
Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
The Atlantic ridge axis will remain south of the local waters through this week, with generally favorable boating conditions persisting locally. Shower and storm chances increase through this week as moisture increases, with activity anticipated to move offshore from the peninsula each day. Frequent lightning strikes, wind gusts, heavy downpours, and locally higher seas will be possible near storms.
Atlantic coastal waters from Flagler Beach to Jupiter Inlet out 60 nm. Seas are provided as a range of the average height of the highest one third of the waves, along with the occasional height of the average highest ten percent of the waves. GULF STREAM HAZARDS.None. The approximate location of the west wall of the Gulf Stream based on the Real Time Ocean Forecast System as of Tuesday, August 18th, 2026. 45 nautical miles east of Ponce Inlet. 31 nautical miles east of Port Canaveral. 24 nautical miles east of Sebastian Inlet. 16 nautical miles east of Fort Pierce Inlet. 9 nautical miles east of Saint Lucie Inlet.