NOAA station 9459163, Alaska
Herendeen Island, Shumagin Islands tide chart
Friday, October 30Alaska Daylight Time
NOAA harmonic station (NOAA’s page for this station, opens in a new tab)Rising, about 8.3 ft now
As of 5:15 PM AKDT
- Next
- High 8.3 ft at 5:17 PMin 2m
- Then
- Low -0.6 ft at 12:48 AMtomorrow, in 7h 33m
High, passed
6:46 AM
5.8 ft
Low, passed
11:07 AM
3.9 ft
- Next
High
5:17 PM
8.3 ft
The week ahead
This week’s tides at Herendeen Island, Shumagin Islands
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 4.4 ft | 6:46 AM 5.8 ft5:17 PM 8.3 ft | 11:07 AM 3.9 ft | 4.4 ft | |
| Sat, Oct 31Range 8.2 ft | 7:52 AM 5.6 ft6:14 PM 7.6 ft | 12:48 AM -0.6 ft12:04 PM 4.2 ft | 8.2 ft | |
| Sun, Nov 1Range 6.9 ft | 8:08 AM 5.6 ft6:27 PM 6.9 ft | 1:53 AM 0.0 ft12:36 PM 4.4 ft | 6.9 ft | |
| Mon, Nov 2Range 5.7 ft | 9:17 AM 6.0 ft8:10 PM 6.2 ft | 2:06 AM 0.5 ft2:40 PM 4.0 ft | 5.7 ft | |
| Tue, Nov 3Range 5.5 ft | 10:11 AM 6.5 ft9:49 PM 6.0 ft | 3:16 AM 1.0 ft4:09 PM 3.2 ft | 5.5 ft | |
| Wed, Nov 4Range 5.7 ft | 10:55 AM 7.0 ft11:07 PM 6.1 ft | 4:15 AM 1.3 ft5:15 PM 2.1 ft | 5.7 ft | |
| Thu, Nov 5Range 6.4 ft | 11:33 AM 7.5 ft | 5:07 AM 1.7 ft6:07 PM 1.1 ft | 6.4 ft |
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Herendeen Island, Shumagin Islands 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 4.4 ft | 6:46 AM 5.8 ft5:17 PM 8.3 ft | 11:07 AM 3.9 ft | 4.4 ft |
| Sat, Oct 31Range 8.2 ft | 7:52 AM 5.6 ft6:14 PM 7.6 ft | 12:48 AM -0.6 ft12:04 PM 4.2 ft | 8.2 ft |
| Sun, Nov 1Range 6.9 ft | 8:08 AM 5.6 ft6:27 PM 6.9 ft | 1:53 AM 0.0 ft12:36 PM 4.4 ft | 6.9 ft |
| Mon, Nov 2Range 5.7 ft | 9:17 AM 6.0 ft8:10 PM 6.2 ft | 2:06 AM 0.5 ft2:40 PM 4.0 ft | 5.7 ft |
| Tue, Nov 3Range 5.5 ft | 10:11 AM 6.5 ft9:49 PM 6.0 ft | 3:16 AM 1.0 ft4:09 PM 3.2 ft | 5.5 ft |
| Wed, Nov 4Range 5.7 ft | 10:55 AM 7.0 ft11:07 PM 6.1 ft | 4:15 AM 1.3 ft5:15 PM 2.1 ft | 5.7 ft |
| Thu, Nov 5Range 6.4 ft | 11:33 AM 7.5 ft | 5:07 AM 1.7 ft6:07 PM 1.1 ft | 6.4 ft |
| Fri, Nov 6Range 7.7 ft | 12:12 AM 6.3 ft12:08 PM 8.0 ft | 5:53 AM 2.1 ft6:51 PM 0.3 ft | 7.7 ft |
| Sat, Nov 7Range 8.5 ft | 1:05 AM 6.4 ft12:40 PM 8.2 ft | 6:34 AM 2.4 ft7:29 PM -0.3 ft | 8.5 ft |
| Sun, Nov 8Range 9.1 ft | 1:51 AM 6.5 ft1:11 PM 8.4 ft | 7:11 AM 2.8 ft8:05 PM -0.7 ft | 9.1 ft |
| Mon, Nov 9Range 9.1 ft | 2:33 AM 6.5 ft1:40 PM 8.3 ft | 7:44 AM 3.1 ft8:39 PM -0.8 ft | 9.1 ft |
| Tue, Nov 10Range 8.9 ft | 3:15 AM 6.4 ft2:07 PM 8.2 ft | 8:14 AM 3.4 ft9:13 PM -0.7 ft | 8.9 ft |
| Wed, Nov 11Range 8.4 ft | 3:56 AM 6.2 ft2:35 PM 8.0 ft | 8:42 AM 3.7 ft9:48 PM -0.4 ft | 8.4 ft |
| Thu, Nov 12Range 7.8 ft | 4:38 AM 5.9 ft3:03 PM 7.7 ft | 9:08 AM 4.0 ft10:25 PM -0.1 ft | 7.8 ft |
Show days 15 to 30Hide days 15 to 30 | |||
| Fri, Nov 13Range 7.1 ft | 5:22 AM 5.7 ft3:34 PM 7.4 ft | 9:35 AM 4.2 ft11:03 PM 0.3 ft | 7.1 ft |
| Sat, Nov 14Range 6.3 ft | 6:09 AM 5.5 ft4:09 PM 7.0 ft | 10:08 AM 4.4 ft11:45 PM 0.7 ft | 6.3 ft |
| Sun, Nov 15Range 2.0 ft | 7:03 AM 5.4 ft4:51 PM 6.6 ft | 10:56 AM 4.6 ft | 2.0 ft |
| Mon, Nov 16Range 4.9 ft | 8:04 AM 5.5 ft5:47 PM 6.0 ft | 12:32 AM 1.1 ft12:16 PM 4.7 ft | 4.9 ft |
| Tue, Nov 17Range 4.3 ft | 8:57 AM 5.8 ft7:13 PM 5.5 ft | 1:27 AM 1.5 ft2:22 PM 4.4 ft | 4.3 ft |
| Wed, Nov 18Range 4.4 ft | 9:37 AM 6.2 ft9:04 PM 5.3 ft | 2:27 AM 1.8 ft3:43 PM 3.6 ft | 4.4 ft |
| Thu, Nov 19Range 4.6 ft | 10:12 AM 6.7 ft10:29 PM 5.4 ft | 3:21 AM 2.1 ft4:40 PM 2.6 ft | 4.6 ft |
| Fri, Nov 20Range 5.7 ft | 10:45 AM 7.2 ft11:38 PM 5.7 ft | 4:11 AM 2.4 ft5:28 PM 1.5 ft | 5.7 ft |
| Sat, Nov 21Range 7.4 ft | 11:18 AM 7.8 ft | 4:57 AM 2.7 ft6:12 PM 0.4 ft | 7.4 ft |
| Sun, Nov 22Range 9.0 ft | 12:36 AM 6.1 ft11:53 AM 8.4 ft | 5:43 AM 3.0 ft6:55 PM -0.6 ft | 9.0 ft |
| Mon, Nov 23Range 10.3 ft | 1:27 AM 6.4 ft12:30 PM 8.9 ft | 6:26 AM 3.2 ft7:38 PM -1.4 ft | 10.3 ft |
| Tue, Nov 24Range 11.2 ft | 2:16 AM 6.6 ft1:09 PM 9.3 ft | 7:08 AM 3.4 ft8:21 PM -1.9 ft | 11.2 ft |
| Wed, Nov 25Range 11.5 ft | 3:05 AM 6.6 ft1:50 PM 9.5 ft | 7:49 AM 3.6 ft9:07 PM -2.0 ft | 11.5 ft |
| Thu, Nov 26Range 11.3 ft | 3:55 AM 6.5 ft2:33 PM 9.4 ft | 8:32 AM 3.7 ft9:55 PM -1.9 ft | 11.3 ft |
| Fri, Nov 27Range 10.4 ft | 4:47 AM 6.4 ft3:21 PM 9.0 ft | 9:20 AM 3.9 ft10:44 PM -1.4 ft | 10.4 ft |
| Sat, Nov 28Range 9.2 ft | 5:39 AM 6.3 ft4:15 PM 8.4 ft | 10:17 AM 4.0 ft11:35 PM -0.8 ft | 9.2 ft |
Conditions at Herendeen Island, Shumagin Islands
From the National Weather Service forecast for this spot, with today's sunrise and sunset.
Any date, past or future
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About Herendeen Island, Shumagin Islands tides
Herendeen Island, Shumagin Islands is a NOAA harmonic tide station (9459163): its predictions come from the tidal constituents NOAA derived from water levels measured at this spot. 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, Herendeen Island, Shumagin Islands has two highs and two lows on 26 days and three turns on 4 days, and the daily range runs from 2.0 to 11.5 ft. That is a mixed tide: two highs and two lows on most days, of clearly different heights.
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 Herendeen Island, Shumagin Islands today?+
Today (Friday, October 30), high tide at Herendeen Island, Shumagin Islands is at 6:46 AM (5.8 ft), 5:17 PM (8.3 ft). Heights are referenced to MLLW (Mean Lower Low Water).
What time is low tide in Herendeen Island, Shumagin Islands today?+
Today, low tide at Herendeen Island, Shumagin Islands is at 11:07 AM (3.9 ft).
What tidal datum do these Herendeen Island, Shumagin Islands 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?+
Herendeen Island, Shumagin Islands is a NOAA harmonic station (9459163), so these are NOAA's harmonic predictions for this spot, which are very accurate for the astronomical tide. Real water levels can still differ with wind, air pressure and river flow, so check conditions before you get underway.
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