Southwest Florida

The coast from Sarasota to Marco Island. 13 places, updated as each source publishes.

Place	Temperature	European AQI	Observed
Bonita Springs	24.1 °C	12	21 Sep 23:45
Bradenton	24.8 °C	17	21 Sep 23:45
Cape Coral	24.6 °C	18	21 Sep 23:45
Estero	24 °C	18	21 Sep 23:45
Everglades City	24.7 °C	15	21 Sep 23:45
Fort Myers	24.2 °C	13	21 Sep 23:45
Marco Island	24.3 °C	14	21 Sep 23:45
Naples	24.1 °C	14	21 Sep 23:45
Port Charlotte	24.6 °C	13	21 Sep 23:45
Punta Gorda	24.1 °C	13	21 Sep 23:45
Sanibel	26 °C	18	21 Sep 23:45
Sarasota	25.3 °C	11	21 Sep 23:45
Venice	24.6 °C	11	21 Sep 23:45

Live from EcoBoard

Active alerts — Southwest Florida

Sewage spills, algae toxins, discharge surges and National Weather Service warnings for Southwest Florida, from Florida DEP, SFWMD, USGS and NOAA.

Watch
Heavy discharge at Franklin Lock — 4,470 cfs
High — damaging conditions for seagrass and oysters downstream. Nutrient-loaded water is moving toward the estuary.
Southwest FL (Caloosahatchee / Estero) · 22 Sep 00:00
Watch
Heavy discharge at Franklin Lock — 3,830 cfs
High — damaging conditions for seagrass and oysters downstream. Nutrient-loaded water is moving toward the estuary.
Southwest FL (Caloosahatchee / Estero) · 21 Sep 00:00
Watch
Heavy discharge at Franklin Lock — 3,770 cfs
High — damaging conditions for seagrass and oysters downstream. Nutrient-loaded water is moving toward the estuary.
Southwest FL (Caloosahatchee / Estero) · 20 Sep 00:00
Watch
Lehigh Acres WWTP Chlorine Spill — Lehigh Acres
Lee County · reported 2026-09-18
Southwest FL (Caloosahatchee / Estero) · 19 Sep 11:15
Watch
Heavy discharge at Franklin Lock — 3,180 cfs
High — damaging conditions for seagrass and oysters downstream. Nutrient-loaded water is moving toward the estuary.
Southwest FL (Caloosahatchee / Estero) · 19 Sep 00:00
Warning
Toxin detected — Lake Okeechobee - PALMOUT
Glades County · 2026-09-16 · Detected: Cylindrospermopsin 0.12 I DO NOT let pets drink, swim or lick their fur here.
Southwest FL (Caloosahatchee / Estero) · 18 Sep 18:16