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Tides

King tides in Alaska, 2027

The biggest predicted tide in Alaska in 2027 reaches 17.0 ft above MLLW at Aguchik Island, Kukak Bay on Saturday, January 23, at 2:48 PM local time. Below are all of the year's king tide windows — the top 1% of predicted highs — for NOAA reference stations along the Alaskacoast. King tides are perigean spring tides: they arrive when a full or new moon lines up with the moon's closest approach to Earth, and they preview the flooding that sea level rise will make routine. Read how king tides work.

5 miles NE of Point Brazil, Montague Island

King tides (13.8 ft and above) at NOAA station 9454616. Full year: 2027 tide table.

  • Jan 21–23 — peaks 14.2 ft at 12:48 PM
  • Oct 29–30 — peaks 13.9 ft at 1:32 PM
  • Dec 13–15 — peaks 14.0 ft at 1:02 PM

Agnes Cove, Aialik Peninsula

King tides (12.8 ft and above) at NOAA station 9455120. Full year: 2027 tide table.

  • Jan 21–23 — peaks 13.1 ft at 12:42 PM
  • Oct 29–30 — peaks 13.0 ft at 1:27 PM
  • Nov 27 — peaks 12.8 ft at 12:01 PM
  • Dec 13–14 — peaks 13.0 ft at 12:58 PM

Aguchik Island, Kukak Bay

King tides (16.4 ft and above) at NOAA station 9456901. Full year: 2027 tide table.

  • Jan 22–24 — peaks 17.0 ft at 2:48 PM
  • Feb 21 — peaks 16.4 ft at 2:41 PM
  • Aug 3 — peaks 16.5 ft at 3:24 AM
  • Sep 30–1 — peaks 16.5 ft at 3:49 PM
  • Oct 29 — peaks 16.5 ft at 2:44 PM

Aialik Bay, North end

King tides (12.7 ft and above) at NOAA station 9455145. Full year: 2027 tide table.

  • Jan 22–23 — peaks 13.0 ft at 12:44 PM
  • Oct 29–30 — peaks 12.9 ft at 2:03 PM
  • Nov 15 — peaks 12.7 ft at 1:14 PM
  • Dec 13–15 — peaks 13.0 ft at 1:01 PM

Aialik Sill, Aialik Bay

King tides (12.6 ft and above) at NOAA station 9455146. Full year: 2027 tide table.

  • Jan 22–23 — peaks 12.9 ft at 12:42 PM
  • Jun 5–6 — peaks 12.8 ft at 2:21 AM
  • Jul 4–5 — peaks 12.9 ft at 2:14 AM
  • Aug 3 — peaks 12.8 ft at 2:08 AM
  • Dec 14 — peaks 12.6 ft at 1:00 PM

Akun Cove, Akun Island

King tides (4.1 ft and above) at NOAA station 9462719. Full year: 2027 tide table.

  • Jan 19–22 — peaks 4.4 ft at 1:02 PM
  • Dec 13–14 — peaks 4.3 ft at 2:05 PM

Akutan, Akutan Island

King tides (4.6 ft and above) at NOAA station 9462694. Full year: 2027 tide table.

  • Jan 19–21 — peaks 4.8 ft at 1:45 PM
  • Jul 3–4 — peaks 4.7 ft at 3:12 AM
  • Jul 31–1 — peaks 4.7 ft at 2:20 AM

Alakanuk, Yukon River

King tides (3.0 ft and above) at NOAA station 9467645. Full year: 2027 tide table.

  • Jun 6–7 — peaks 3.0 ft at 7:54 AM
  • Jul 3–6 — peaks 3.1 ft at 5:44 AM
  • Aug 1 — peaks 3.0 ft at 4:28 AM

NOAA CO-OPS harmonic predictions, datum MLLW, station local time. Actual water level can run higher with storms, onshore wind, and low pressure — king tide + storm is the flooding combination to watch. Predictions are for planning, not navigation.

Also available: Alaska king tides 2026.