Marine Weather and Tide Forecast for Palm Harbor, FL

DISCUSSION
Issued at 221 PM EDT Tue Aug 18 2026

Main story continues to be the heat and humidity. Be sure to continue taking caution when working out doors. Take frequent breaks indoors and drink plenty of water. A few showers and storms possible mainly along the interior portions of the forecast area and further east today. Moisture begins to increase tomorrow from north to south with some showers and storms developing over the Gulf overnight.
Some of these showers will begin to push onshore early in the morning before pushing inland in the afternoon. Extra clouds and the chance for showers, will help keep temperatures a few degrees lower tomorrow. Though moisture will continue to increase through the remainder of the week, however temperatures and humidity will still remain high.

AVIATION
(18Z TAFS)
Issued at 221 PM EDT Tue Aug 18 2026

VFR conditions prevail through the period. Shower and storm chances increase along the coast overnight into the early morning, moving inland through the day. Otherwise winds will remain out of the WNW.

MARINE
Issued at 221 PM EDT Tue Aug 18 2026

Gusty winds WNW winds continue into tomorrow increasing wave activity along the beaches. Winds begin to subside Thursday allowing pleasant marine conditions to persist into the weekend.

FIRE WEATHER
Issued at 221 PM EDT Tue Aug 18 2026

With high pressure in control, hot and humid conditions continue.
Fire weather concerns remain low as RH values increase through the period.

PRELIMINARY POINT TEMPS/POPS
TPA 82 92 80 91 / 20 50 40 50 FMY 79 95 79 94 / 0 40 20 50 GIF 79 96 77 95 / 10 60 20 70 SRQ 80 93 79 92 / 10 50 40 50 BKV 78 93 76 93 / 20 50 30 60 SPG 82 92 81 91 / 10 50 50 50

Sea Breeze Thunderstorm Regime For Wednesday: 8 Sea Breeze Thunderstorm Regime For Thursday: 4

For additional information on sea breeze regimes, go to: https:// www.weather.gov/tbw/ThunderstormClimatology

TBW WATCHES/WARNINGS/ADVISORIES
FL...Heat Advisory until 7 PM EDT this evening for Coastal Charlotte- Coastal Citrus-Coastal Hernando-Coastal Hillsborough- Coastal Lee-Coastal Levy-Coastal Manatee-Coastal Pasco- Coastal Sarasota-DeSoto-Hardee-Highlands-Inland Charlotte- Inland Citrus-Inland Hernando-Inland Hillsborough-Inland Lee-Inland Levy-Inland Manatee-Inland Pasco-Inland Sarasota- Pinellas-Polk-Sumter.

Gulf waters...None.