Alerts
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| Heat Advisory issued August 19 at 12:10AM EDT until August 19 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 |
| 08/19/2026 12:10 AM | 08/19/2026 08:00 PM | 08/19/2026 08:00 PM |
* WHAT...Heat index values 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
Wed, 03:00 PM
Slight Chance Showers And ThunderstormsWinds: 5 mph E
Wed, 04:00 PM
Chance Showers And ThunderstormsWinds: 5 mph E
Wed, 05:00 PM
Chance Showers And ThunderstormsWinds: 5 mph ENE
Wed, 06:00 PM
Chance Showers And ThunderstormsWinds: 5 mph E
Wed, 07:00 PM
Slight Chance Showers And ThunderstormsWinds: 5 mph SE
Wed, 08:00 PM
Slight Chance Showers And ThunderstormsWinds: 5 mph SE
Wed, 09:00 PM
Mostly CloudyWinds: 5 mph SSE
Wed, 10:00 PM
Mostly CloudyWinds: 5 mph S
Wed, 11:00 PM
Mostly CloudyWinds: 5 mph S
Thu, 12:00 AM
Mostly CloudyWinds: 5 mph SSW
Thu, 01:00 AM
Partly CloudyWinds: 0 mph
Thu, 02:00 AM
Partly CloudyWinds: 0 mph
Thu, 03:00 AM
Partly CloudyWinds: 0 mph
Thu, 04:00 AM
Partly CloudyWinds: 5 mph W
Thu, 05:00 AM
Partly CloudyWinds: 5 mph W
Thu, 06:00 AM
Mostly SunnyWinds: 5 mph W
Thu, 07:00 AM
Mostly SunnyWinds: 5 mph W
Thu, 08:00 AM
Mostly SunnyWinds: 0 mph
Thu, 09:00 AM
SunnyWinds: 0 mph
Thu, 10:00 AM
SunnyWinds: 0 mph
Thu, 11:00 AM
SunnyWinds: 5 mph NNW
Thu, 12:00 PM
Mostly SunnyWinds: 5 mph N
Thu, 01:00 PM
Slight Chance Showers And ThunderstormsWinds: 5 mph ENE
Thu, 02:00 PM
Slight Chance Showers And ThunderstormsWinds: 10 mph E
Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
Generally favorable boating conditions outside of offshore moving storms and heat through the rest of the week and weekend. Westerly to southwesterly flow will continue between a front stalled across the Deep South and high pressure over the Atlantic. Winds shift south the southeast in the afternoons and evenings as the sea breeze develops. Stronger storms will be capable of wind gusts 34 kts or greater, frequent cloud to water lightning, heavy downpours, and locally higher seas.
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 Wednesday, August 19th, 2026. 44 nautical miles east of Ponce Inlet. 30 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.