Water Temperature
< 8°C (46°F) — Cold
8-12°C (46-54°F) — Cool
12-16°C (54-61°F) — Moderate
16-20°C (61-68°F) — Warm
20-24°C (68-75°F) — Hot
> 24°C (75°F) — Critical
No current data
Sources: USGS NWIS + state agencies (50 states + DC, PR)
Forecast: NOAA NWS + Ridge Regression (FAST)