Nassau County · Northeast Florida · Atlantic Coast
Should you swim at Amelia Island Beach after rain?
This page is built for the day when a beach looks tempting but recent rain makes the normal badge harder to trust.
Current picture
GOOD on the latest sample at 4 CFU/100mL.
Long-term context
2 poor samples and 2 non-good samples in the displayed history.
Rain still matters
Stormwater can make this page stale faster than the normal testing schedule, especially after heavy rain.
Wait window
72 hours
Use that as the default buffer after heavy rain before trusting routine samples too much.
Latest poor sample
March 15, 2026
A recent poor sample is a stronger reason to be conservative after runoff.
Long-term spike risk
17%
Lower is better when weather makes your same-day decision harder.
Lower-Risk Nearby Options After Rain
Rain guide →Fernandina Beach
Nassau County · Atlantic Coast · 0 mi away
No poor samples in the displayed history · risk 0%
Kathryn Abbey Hanna Park
Duval County · Atlantic Coast · 20 mi away
No poor samples in the displayed history · risk 0%
Atlantic Beach
Duval County · Atlantic Coast · 23 mi away
No poor samples in the displayed history · risk 0%
Neptune Beach
Duval County · Atlantic Coast · 25 mi away
No poor samples in the displayed history · risk 0%
Ponte Vedra Beach
St. Johns County · Atlantic Coast · 30 mi away
No poor samples in the displayed history · risk 0%
Vilano Beach
St. Johns County · Atlantic Coast · 52 mi away
No poor samples in the displayed history · risk 0%
Water Quality History — Last 12 Months
Values in CFU/100mL. Green = Good (≤35.4), Yellow = Moderate (35.5–70.4), Red = Poor (≥70.5)
Recent Warning-Sign Samples
Full history →March 15, 2026
105 CFU/100mL · POOR
October 16, 2025
98 CFU/100mL · POOR
How To Use This Page
This page is built for the day when a beach looks tempting but recent rain makes the normal badge harder to trust.
Use this view as a decision aid, not a guarantee. The latest sample, visible runoff, and recent weather still matter more than any single list or chart.
If you want the main same-day answer instead, go back to the Amelia Island Beach beach page.
Data from FL DOH Healthy Beaches Program. This is an independent project — check with Florida DOH for official conditions.