Kachemak Bay water temperature

Kachemak Bay, Homer Dolphin Deep · Sea/Coast

The current water temperature at Kachemak Bay is 9.4 °C (as of September 1, 2026, source: NOAA NERRS SWMP).

The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.

9.4 °C

Measured: September 1, 2026 · continuously updated

💧 Water 9.4° · ☀️ Air 14.0°

Nearby waters

Pacific, Lower Cook Inlet (204) · 23.6 km away10.9 °C Pacific, Seldovia · 25.1 km away9.5 °C Kachemak Bay, Seldovia Deep · 25.1 km away9.3 °C Pacific, Seldovia, AK · 25.2 km away9.6 °C Anchor River near Anchor Point, Alaska · 25.2 km away8.3 °C

More measuring points: Kachemak Bay

Seldovia Deep9.3 °C

Frequently asked questions

Can you swim at Kachemak Bay right now?
The current water temperature is 9.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Kachemak Bay?
Currently 9.4 °C (updated continuously).

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