Unalaska tide times
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Tide chart · today
The next 7 days
Unalaska at a glance
- Tides
- Mostly once a day
- Typical range
- 3.6 fthigh to low
- Highest of 2027
- 5.0 ftWed, Jan 20
- Lowest of 2027
- -1.5 ftSun, Jun 6
- Record high
- 6.7 ftJan 27, 1960
The tide at Unalaska
- Pattern
- Mixed, mainly once-daily
Mostly one large high and one large low a day; on some days a small second high and low appear between them. Form number 1.91. - Typical range
- 3.6 ft from the higher high to the lower low on an average day (1.10 m) - a bigger range than 55% of the 235 places on this site. The mean range, high to low, is 2.4 ft.
2027: the biggest and smallest tides
| Wed, Jan 20 | 1:53 pm | 5.0 ft | |
| Mon, Dec 13 | 2:42 pm | 4.7 ft | |
| Wed, Dec 22 | 12:44 pm | 4.6 ft |
| Sun, Jun 6 | 2:09 pm | -1.5 ft | in daylight |
| Sun, Jul 4 | 12:54 pm | -1.5 ft | in daylight |
| Sun, May 9 | 3:28 pm | -1.4 ft | in daylight |
219 low tides in 2027 drop below zero - below the average lower low water - and uncover more shore than usual.
Records
- Highest water recorded
- 6.7 ft (2.04 m) on Jan 27, 1960 - 3.1 ft above the average higher high.
- Lowest water recorded
- -3.0 ft (-0.92 m) on Jan 2, 2022.
- Highest tide the moon and sun can raise
- 5.1 ft (1.56 m) - the highest astronomical tide in NOAA’s 19-year cycle, which fell on Jan 9, 2005.
Tide times nearby
- Nikolski116 mi southwest
- King Cove188 mi northeast
- Sand Point261 mi northeast
- St. Paul Island268 mi northwest
- Port Moller278 mi northeast
See the moon move the ocean - the same tide, on a globe seen from the moon.
Heights are above mean lower low water (MLLW), the zero of US charts; times are local. The year’s tides are NOAA’s official predictions - wind and air pressure can move the real water a foot or more. Form number: (K1+O1)/(M2+S2) from NOAA’s harmonic constants - below 0.25 twice-daily, above 3 once-daily. Alaska, 53.879°N 166.540°W. Predictions and records: NOAA CO-OPS, station 9462620. Not for navigation or safety. For a boat, a crossing of sand that floods, or a swim, use the official tables and local advice. No ads, no tracking.