Beach · Brevard County · FL
Is SEBASTIAN INLET NORTH safe to swim?
Recent heavy rain may have spiked bacteria since the last clear sample.
Updated July 19, 2026 · Florida beach program (EPA BEACON)
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What's in the water at SEBASTIAN INLET NORTH right now
As of July 19, 2026, SEBASTIAN INLET NORTH in Brevard County, Florida carries a swim caution. Blue-green algae are not currently monitored at this water. No fecal-bacteria advisory is posted (state beach program). Rainfall over the past week totaled 1.6 in, which can wash bacteria and nutrients into the water.
Blue-green algae at SEBASTIAN INLET NORTH
SEBASTIAN INLET NORTH is a lake in Brevard County, Florida. Blue-green algae are not currently monitored at this water.
Blue-green algae (cyanobacteria) blooms are most common from midsummer into early fall, when the water is warm, calm, and rich in nutrients from runoff. They can produce toxins that make people sick and can be rapidly fatal to dogs, so skip water that looks green, scummy, or like spilled paint, and keep children and pets out of it.
Frequently asked: swimming in SEBASTIAN INLET NORTH
- Is it safe to swim in SEBASTIAN INLET NORTH right now?
- SEBASTIAN INLET NORTH carries a swim caution today. Blue-green algae are not currently monitored at this water. Conditions can change quickly with wind, heat, and rain, so check the posted signs and look at the water before you get in.
- Does SEBASTIAN INLET NORTH have blue-green algae (cyanobacteria)?
- Blue-green algae are not currently monitored at SEBASTIAN INLET NORTH. Watch for green, blue-green, or paint-like scum and avoid the water if you see it.
- Can dogs swim in SEBASTIAN INLET NORTH?
- No bloom is detected at SEBASTIAN INLET NORTH today, but dogs are much more vulnerable to blue-green algae than people, and blooms can form within hours. Always keep dogs away from water that looks green, scummy, or discolored, and rinse them off after swimming.
- How many Florida lakes and beaches have swim advisories today?
- Today, 97 Florida waters are under a swim advisory and 330 more warrant caution, out of 779 monitored waters SwimZone tracks in the state.
- How is SEBASTIAN INLET NORTH's water quality measured?
- SwimZone builds this read from EPA CyAN satellite imagery for blue-green algae, official beach and fecal-bacteria advisories where a program monitors SEBASTIAN INLET NORTH, and a recent-rainfall overlay, all refreshed daily. It was last updated July 19, 2026.