Franklin County · Nature Coast · Gulf Coast

Should you swim at St. George 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.

GOOD Latest sample: May 11, 2026 2 CFU/100mL 17% poor-sample history

Current picture

GOOD on the latest sample at 2 CFU/100mL.

Long-term context

2 poor samples and 3 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

January 14, 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 →

Water Quality History — Last 12 Months

35.4
70.5
25
Oct
24
Oct
23
Oct
24
Nov
78
Nov
20
Dec
63
Dec
103
Jan
25
Jan
23
Feb
18
Feb
20
Mar

Values in CFU/100mL. Green = Good (≤35.4), Yellow = Moderate (35.5–70.4), Red = Poor (≥70.5)

Recent Warning-Sign Samples

Full history →

January 14, 2026

103 CFU/100mL · POOR

POOR

December 30, 2025

63 CFU/100mL · MODERATE

MODERATE

November 30, 2025

78 CFU/100mL · POOR

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 St. George Island Beach beach page.

Data from FL DOH Healthy Beaches Program. This is an independent project — check with Florida DOH for official conditions.