Marine Weather Net

Surfside, FL Weather Forecast


Marine Forecast: Biscayne Bay


Surfside, Florida

 Lat: 25.88N, Lon: 80.13W

Current Conditions Updated: 853 AM EDT FRI AUG 14 2026

Clear


Temp: 87°F
  • Humidity:
  • 69%
  • Winds:
  • 13 MPH SE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.12 in.
  • Dewpoint:
  • 76°F
  • Heat index:
  • 97°F

  • Sunrise:
  • 6:51 AM EDT
  • Sunset:
  • 7:55 PM EDT
  • Moonrise:
  • 8:45 AM EDT
  • Moonset:
  • 9:18 PM EDT

TODAY

SUNNY

Hi: 91°F
Lo: 85°F

SATURDAY

MOSTLY SUNNY
Hi: 91°F
Lo: 85°F
Precip: 30%

SUNDAY

SUNNY

Hi: 91°F
Lo: 80°F

MONDAY

SUNNY

Hi: 91°F
Lo: 80°F
Weather Forecast In Detail:
Forecast Issued: 221 AM EDT Fri Aug 14 2026

HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS EVENING
Today...Sunny. Highs in the lower 90s. East winds 5 to 10 mph. Heat index values up to 107.
Tonight...Mostly clear in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Humid with lows in the lower 80s. East winds 10 to 15 mph. Chance of rain 20 percent.
Saturday...Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the lower 90s. Southeast winds 10 to 15 mph. Chance of rain 30 percent. Heat index values up to 107.
Saturday Night...Mostly clear. Humid with lows in the lower 80s. Southeast winds 5 to 10 mph.
Sunday...Sunny with highs in the lower 90s. Southeast winds 5 to 10 mph. Heat index values up to 107.
Sunday Night...Clear. Lows around 80.
Monday...Sunny. Highs in the lower 90s. Heat index values up to 105.
Monday Night...Mostly clear. Lows around 80.
Tuesday...Sunny. Highs in the mid 90s. Heat index values up to 110.
Tuesday Night...Mostly clear. Lows around 80. Heat index values up to 105 early in the evening.
Wednesday...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 105.
Wednesday Night...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows around 80. Chance of rain 30 percent. Heat index values up to 105 early.
Thursday...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 105.
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