NOAA station 9461341, Alaska
Unalga Bight tide chart
Friday, October 30Hawaii-Aleutian Daylight Time
Predicted from Sweeper Cove, Kuluk Bay, Adak Island (NOAA’s page for this station, opens in a new tab)Falling, about 2.0 ft now
As of 10:32 PM HADT
- Next
- Low -1.2 ft at 3:47 AMtomorrow, in 5h 15m
- Then
- High 3.9 ft at 1:42 PMtomorrow, in 15h 10m
Low, passed
2:55 AM
-1.3 ft
High, passed
6:18 PM
4.3 ft
The week ahead
This week’s tides at Unalga Bight
Every high and low for the next seven days, in feet above MLLW. The 30-day table below has the rest of the month.
| Day | Tide curve | Highs | Lows | Range |
|---|---|---|---|---|
| Fri, Oct 30Range 5.6 ft | 6:18 PM 4.3 ft | 2:55 AM -1.3 ft | 5.6 ft | |
| Sat, Oct 31Range 5.2 ft | 1:42 PM 3.9 ft7:42 PM 4.0 ft | 3:47 AM -1.2 ft4:08 PM 3.8 ft | 5.2 ft | |
| Sun, Nov 1Range 4.7 ft | 12:50 PM 3.7 ft8:07 PM 3.6 ft | 3:38 AM -1.0 ft4:24 PM 3.4 ft | 4.7 ft | |
| Mon, Nov 2Range 4.1 ft | 1:01 PM 3.5 ft9:35 PM 3.2 ft | 4:27 AM -0.6 ft5:35 PM 2.8 ft | 4.1 ft | |
| Tue, Nov 3Range 3.5 ft | 1:14 PM 3.4 ft11:12 PM 2.7 ft | 5:12 AM -0.1 ft6:43 PM 2.2 ft | 3.5 ft | |
| Wed, Nov 4Range 2.8 ft | 1:27 PM 3.4 ft | 5:53 AM 0.6 ft7:47 PM 1.5 ft | 2.8 ft | |
| Thu, Nov 5Range 2.5 ft | 1:05 AM 2.3 ft1:37 PM 3.4 ft | 6:27 AM 1.3 ft8:44 PM 0.9 ft | 2.5 ft |
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Unalga Bight tide table for the next 30 days
Every high and low for the next month, with the daily tidal range.
| Day | Highs | Lows | Range |
|---|---|---|---|
| Fri, Oct 30Range 5.6 ft | 6:18 PM 4.3 ft | 2:55 AM -1.3 ft | 5.6 ft |
| Sat, Oct 31Range 5.2 ft | 1:42 PM 3.9 ft7:42 PM 4.0 ft | 3:47 AM -1.2 ft4:08 PM 3.8 ft | 5.2 ft |
| Sun, Nov 1Range 4.7 ft | 12:50 PM 3.7 ft8:07 PM 3.6 ft | 3:38 AM -1.0 ft4:24 PM 3.4 ft | 4.7 ft |
| Mon, Nov 2Range 4.1 ft | 1:01 PM 3.5 ft9:35 PM 3.2 ft | 4:27 AM -0.6 ft5:35 PM 2.8 ft | 4.1 ft |
| Tue, Nov 3Range 3.5 ft | 1:14 PM 3.4 ft11:12 PM 2.7 ft | 5:12 AM -0.1 ft6:43 PM 2.2 ft | 3.5 ft |
| Wed, Nov 4Range 2.8 ft | 1:27 PM 3.4 ft | 5:53 AM 0.6 ft7:47 PM 1.5 ft | 2.8 ft |
| Thu, Nov 5Range 2.5 ft | 1:05 AM 2.3 ft1:37 PM 3.4 ft | 6:27 AM 1.3 ft8:44 PM 0.9 ft | 2.5 ft |
| Fri, Nov 6Range 3.0 ft | 3:26 AM 2.2 ft1:45 PM 3.4 ft | 6:50 AM 2.0 ft9:34 PM 0.4 ft | 3.0 ft |
| Sat, Nov 7Range 3.6 ft | 1:46 PM 3.6 ft | 10:19 PM 0.0 ft | 3.6 ft |
| Sun, Nov 8Range 4.0 ft | 1:37 PM 3.7 ft | 11:01 PM -0.3 ft | 4.0 ft |
| Mon, Nov 9Range 4.3 ft | 12:59 PM 3.9 ft | 11:39 PM -0.4 ft | 4.3 ft |
| Tue, Nov 10 | 11:51 AM 4.1 ft | None | None |
| Wed, Nov 11Range 4.7 ft | 11:30 AM 4.2 ft | 12:18 AM -0.5 ft | 4.7 ft |
| Thu, Nov 12Range 4.7 ft | 11:44 AM 4.2 ft | 12:56 AM -0.5 ft | 4.7 ft |
Show days 15 to 30Hide days 15 to 30 | |||
| Fri, Nov 13Range 4.7 ft | 12:05 PM 4.2 ft | 1:35 AM -0.5 ft | 4.7 ft |
| Sat, Nov 14Range 4.4 ft | 12:27 PM 4.0 ft | 2:14 AM -0.4 ft | 4.4 ft |
| Sun, Nov 15Range 4.2 ft | 12:45 PM 3.9 ft | 2:51 AM -0.3 ft | 4.2 ft |
| Mon, Nov 16Range 3.8 ft | 12:57 PM 3.7 ft | 3:26 AM -0.1 ft | 3.8 ft |
| Tue, Nov 17Range 3.3 ft | 12:57 PM 3.5 ft | 3:56 AM 0.2 ft | 3.3 ft |
| Wed, Nov 18Range 2.7 ft | 12:48 PM 3.3 ft | 4:21 AM 0.6 ft | 2.7 ft |
| Thu, Nov 19Range 2.2 ft | 12:35 PM 3.3 ft | 4:35 AM 1.1 ft7:43 PM 1.7 ft | 2.2 ft |
| Fri, Nov 20Range 2.5 ft | 12:05 AM 1.9 ft12:25 PM 3.5 ft | 4:26 AM 1.6 ft8:07 PM 1.0 ft | 2.5 ft |
| Sat, Nov 21Range 3.4 ft | 12:20 PM 3.8 ft | 8:41 PM 0.4 ft | 3.4 ft |
| Sun, Nov 22Range 4.4 ft | 12:23 PM 4.2 ft | 9:21 PM -0.2 ft | 4.4 ft |
| Mon, Nov 23Range 5.4 ft | 12:38 PM 4.6 ft | 10:07 PM -0.8 ft | 5.4 ft |
| Tue, Nov 24Range 6.1 ft | 1:06 PM 4.9 ft | 10:56 PM -1.2 ft | 6.1 ft |
| Wed, Nov 25Range 6.4 ft | 1:46 PM 5.0 ft | 11:48 PM -1.4 ft | 6.4 ft |
| Thu, Nov 26 | 2:38 PM 4.9 ft | None | None |
| Fri, Nov 27Range 6.2 ft | 3:44 PM 4.7 ft | 12:40 AM -1.5 ft | 6.2 ft |
| Sat, Nov 28Range 5.7 ft | 11:50 AM 4.2 ft5:05 PM 4.3 ft | 1:32 AM -1.4 ft1:52 PM 4.1 ft | 5.7 ft |
Conditions at Unalga Bight
From the National Weather Service forecast for this spot, with today's sunrise and sunset.
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About Unalga Bight tides
Unalga Bight is a NOAA subordinate station (9461341): NOAA predicts its times and heights from Sweeper Cove, Kuluk Bay, Adak Island (9461380) with offsets for this spot, so treat them as a close guide rather than an exact prediction. Heights are in feet above MLLW (Mean Lower Low Water), the datum of US nautical charts, so they line up with charted depths.
In the next 30 days, Unalga Bight has two highs and two lows on 8 days, one high and one low on 18 days, three turns on 2 days and some other count on 2 days, and the daily range runs from 2.2 to 6.4 ft. That is a mostly diurnal tide: one high and one low on most days.
Use the curve above to time a harbor entrance, a beach walk, fishing a moving tide or clearing a shallow bar, and remember that wind, air pressure and river flow can push the real water level above or below the prediction. The daily tidal range in the tables shows how much water moves each day: bigger ranges around the new and full moon mean stronger currents.
Frequently asked
What time is high tide in Unalga Bight today?+
Today (Friday, October 30), high tide at Unalga Bight is at 6:18 PM (4.3 ft). Heights are referenced to MLLW (Mean Lower Low Water).
What time is low tide in Unalga Bight today?+
Today, low tide at Unalga Bight is at 2:55 AM (-1.3 ft).
What tidal datum do these Unalga Bight tide heights use?+
All heights are given in feet relative to MLLW (Mean Lower Low Water), the standard NOAA chart datum for US tidal waters. A tide of 0.0 ft equals the chart datum; negative tides fall below it.
How accurate are these tide predictions?+
Unalga Bight is a NOAA subordinate station (9461341). NOAA predicts its times and heights from Sweeper Cove, Kuluk Bay, Adak Island (9461380) with offsets for this spot, so treat them as a close guide rather than an exact prediction. Real water levels can also differ with wind, air pressure and river flow.
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