Marine Weather and Tide Forecast for Seminole, FL

DISCUSSION
Issued at 157 PM EDT Mon Apr 20 2026

A cold front has moved south just out of the forecast area this afternoon. A few isolated showers linger in the vicinity of the front, otherwise partly to mostly cloudy conditions present throughout the area. The pressure gradient has tightened up causing a gusty northeast wind. Dry air will continue to filter in behind the front, increasing fire weather dangers for tomorrow as winds stay elevated. Slightly cooler air will also filter in, dropping low temperatures back down to the upper 40s and low 50s for northern counties. High temperatures, will stay near normal for this time of year. This pattern holds through mid week, before moisture begins to creep back into the forecast as the flow switches to more south easterly instead of easterly. Rain chances will increase slightly as we head into the weekend, though still remain very low.

AVIATION
(18Z TAFS)
Issued at 157 PM EDT Mon Apr 20 2026

VFR conditions prevail through the period with strong, gusty northeast winds. Winds will diminish for a brief period overnight before increasing tomorrow mid morning

MARINE
Issued at 157 PM EDT Mon Apr 20 2026

Hazardous marine conditions expected for the next few days as winds and seas remain at advisory levels. Winds will briefly decrease below advisory levels Tuesday afternoon, but will bounce back to advisory levels Tuesday evening. By Wednesday afternoon winds and seas will begin to decrease.

FIRE WEATHER
Issued at 157 PM EDT Mon Apr 20 2026

Fire weather concerns remain elevated as conditions continue to be dry and windy, warranting a red flag warning for tomorrow afternoon.
Winds drop below 15 mph Tuesday night. Moisture begins to increase by mid week.

PRELIMINARY POINT TEMPS/POPS
TPA 63 85 63 83 / 0 0 0 0 FMY 65 85 61 85 / 0 0 0 0 GIF 61 83 60 83 / 0 0 0 0 SRQ 62 85 61 83 / 0 0 0 0 BKV 52 85 54 85 / 0 0 0 0 SPG 69 86 69 84 / 0 0 0 0

TBW WATCHES/WARNINGS/ADVISORIES
FL...Red Flag Warning from 11 AM to 8 PM EDT Tuesday 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.

Red Flag Warning until 8 PM EDT this evening for Coastal Levy- Inland Levy.

Gulf waters...Small Craft Advisory until 8 AM EDT Wednesday for Coastal waters from Englewood to Tarpon Springs FL out 20 NM-Tampa Bay waters-Waters from Englewood to Tarpon Springs FL out 20 to 60 NM.

Small Craft Advisory from 6 PM this evening to 8 AM EDT Wednesday for Charlotte Harbor and Pine Island Sound- Coastal waters from Bonita Beach to Englewood FL out 20 NM- Waters from Bonita Beach to Englewood FL out 20 to 60 NM.

Small Craft Advisory until 4 PM EDT this afternoon for Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM- Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM.