Manhattan Beach, CA
Manhattan Beach - 28th St
Slightly elevated
Predicted to be below the EPA swimming threshold today.EPA swimming thresholdThe EPA's safe-swimming limit for ocean water is 104 MPN/100mL — the most probable number of bacteria per 100 milliliters. Readings above this are classified as an exceedance, meaning bacteria levels are unsafe for swimming.
40%probability of unsafe bacteria levelsProbability of unsafe bacteria levelsBacteria levels may be slightly elevated. There's a 40% chance the water has an unsafe amount of bacteria, though most samples in this range still test below the EPA threshold.
- Normal
- 0–29%
- Slightly elevated
- 30–49%
- Not recommended
- 50–74%
- Strongly not recommended
- 75–100%
7-Day Window
PastTodayForecast