This Week's Water Conditions Update

March 21, 2025

Water Conditions Tracker

Lake Okeechobee Levels & Caloosahatchee Flow Impacts

On 3/19/25 Lake Okeechobee was at 13.03 feet, decreasing by 0.32 feet in the past week. The weekly average flow at S-79 was 2,103 cfs (cubic feet per second) and flow from the Lake at S-77 was an average of 2,005 cfs. The 14-day average flow at S-77 was 1,983 cfs. The 14-day average flow at S-79 was 2,079 cfs and has been in the optimum flow envelope (750- 2,100 cfs; RECOVER 2020) for 8 days.

For more information on Lake Okeechobee and estuary conditions go to the latest Caloosahatchee Conditions Report.

Participate in Everglades Action Day April 7-8

SCCF's Environmental Policy Department is looking for community members passionate about Everglades restoration and improving local water quality to join them in attending Everglades Action Day 2025. Everglades Action Day is an annual advocacy event in Tallahassee organized by the Everglades Coalition in honor of legendary environmental activist Marjory Stoneman Douglas' birthday.

Read More

Water Surface Temperature

This Week

Daily Average for March 19, 2025


Gulf of Mexico: 71.8°F

Caloosahatchee (Beautiful Island): 76.6°F

Lake Okeechobee (Polesout3s): 70.1°F

Last Week

Daily Average for March 12, 2025


Gulf of Mexico: 71.1°F

Caloosahatchee (Beautiful Island): 77.0°F

Lake Okeechobee (Polesout3s): 68.6°F


Weekly Rainfall Totals

WP Franklin (S-79): 0.40" Ortona (S-78): 0.48" Moore Haven (S-77): 0.60"

Virtual Water Quality Tour from Lighthouse Beach Park

Click here or on the image above to take a virtual tour from above Lighthouse Beach Park to see how the water looked this week. Photo was taken on 3/19/25 at 2:07 PM on a slack tide (2.7 ft). The 14-day average flow at S-79 was 2,079 cfs.

Red Tide

On 3/14/25, the FWC reported that the red tide organism, Karenia brevis, was detected in 2 samples collected from Florida's Gulf Coast. In Southwest Florida over the past week, K. brevis was observed at background concentrations in one sample collected from Pinellas County. In Lee County, over the past week, K. brevis was not observed.


In the past week, the CROW wildlife hospital on Sanibel admitted 9 patients with suspected red tide/toxicosis: 1 adult herring gull (still in care), 1 adult lesser black-backed gull (still in care), 1 adult brown pelican (still in care), 1 juvenile brown pelican (deceased), 3 adult royal terns (1 deceased, 2 still in care) and 2 juvenile double-crested cormorants (both deceased). 

Blue-Green Algae

On 3/17/25, sampling for cyanobacteria by the Lee County Environmental Lab reported no visible cyanobacteria across all sites. 

On 3/19/25, satellite imagery of Lake Okeechobee showed the presence of an algal bloom covering 10 square miles, or 2% of the lake.

Become a Citizen Scientist and Get the Algae Reporting App Today!

SCCF wants to know when and where all types of algae sightings occur to monitor conditions around the islands and to investigate algae bloom occurrence with patterns in seasonal weather changes and Lake Okeechobee water management practices.


Click on and bookmark this link to report an algal bloom sighting.

Resources To Follow:

To learn more about our current water conditions, click on the following links:


Water Quality Dashboard


Water Quality FAQ

Find answers to some of our most commonly asked questions regarding water quality and more.


Water Conditions Update Archive


Caloosahatchee Conditions Report

A collaborative, weekly analysis, including recommendations for water managers regarding Lake Okeechobee flows.


RECON

SCCF's River, Estuary, and Coastal Observing Network is a network of eight optical water quality sensors deployed throughout the Caloosahatchee and the Pine Island Sound estuary to provide real-time water quality data.


Caloosahatchee River Virtual Tour



Red Tide Resources


NOAA HAB Monitoring System - Lake Okeechobee

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