NOAA station 9465182, Alaska
Black Rock, Walrus Islands tide chart
Friday, October 30Alaska Daylight Time
Predicted from Port Moller (NOAA’s page for this station, opens in a new tab)Falling, about 3.3 ft now
As of 9:05 AM AKDT
- Next
- Low -1.6 ft at 12:54 PMin 3h 49m
- Then
- High 9.9 ft at 8:21 PMin 11h 16m
Low, passed
1:11 AM
4.7 ft
High, passed
5:41 AM
7.4 ft
- Next
Low
12:54 PM
-1.6 ft
High
8:21 PM
9.9 ft
The week ahead
This week’s tides at Black Rock, Walrus 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 11.5 ft | 5:41 AM 7.4 ft8:21 PM 9.9 ft | 1:11 AM 4.7 ft12:54 PM -1.6 ft | 11.5 ft | |
| Sat, Oct 31Range 11.4 ft | 6:51 AM 7.3 ft9:12 PM 9.9 ft | 2:10 AM 4.4 ft1:53 PM -1.5 ft | 11.4 ft | |
| Sun, Nov 1Range 11.0 ft | 7:06 AM 7.3 ft9:03 PM 9.8 ft | 2:08 AM 3.9 ft1:53 PM -1.2 ft | 11.0 ft | |
| Mon, Nov 2Range 10.2 ft | 8:21 AM 7.2 ft9:52 PM 9.6 ft | 3:06 AM 3.3 ft2:52 PM -0.6 ft | 10.2 ft | |
| Tue, Nov 3Range 9.1 ft | 9:37 AM 7.1 ft10:39 PM 9.3 ft | 4:05 AM 2.5 ft3:53 PM 0.2 ft | 9.1 ft | |
| Wed, Nov 4Range 7.8 ft | 10:53 AM 7.2 ft11:23 PM 8.9 ft | 5:02 AM 1.8 ft4:53 PM 1.1 ft | 7.8 ft | |
| Thu, Nov 5Range 6.3 ft | 12:07 PM 7.4 ft | 5:56 AM 1.1 ft5:54 PM 2.1 ft | 6.3 ft |
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Black Rock, Walrus 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 11.5 ft | 5:41 AM 7.4 ft8:21 PM 9.9 ft | 1:11 AM 4.7 ft12:54 PM -1.6 ft | 11.5 ft |
| Sat, Oct 31Range 11.4 ft | 6:51 AM 7.3 ft9:12 PM 9.9 ft | 2:10 AM 4.4 ft1:53 PM -1.5 ft | 11.4 ft |
| Sun, Nov 1Range 11.0 ft | 7:06 AM 7.3 ft9:03 PM 9.8 ft | 2:08 AM 3.9 ft1:53 PM -1.2 ft | 11.0 ft |
| Mon, Nov 2Range 10.2 ft | 8:21 AM 7.2 ft9:52 PM 9.6 ft | 3:06 AM 3.3 ft2:52 PM -0.6 ft | 10.2 ft |
| Tue, Nov 3Range 9.1 ft | 9:37 AM 7.1 ft10:39 PM 9.3 ft | 4:05 AM 2.5 ft3:53 PM 0.2 ft | 9.1 ft |
| Wed, Nov 4Range 7.8 ft | 10:53 AM 7.2 ft11:23 PM 8.9 ft | 5:02 AM 1.8 ft4:53 PM 1.1 ft | 7.8 ft |
| Thu, Nov 5Range 6.3 ft | 12:07 PM 7.4 ft | 5:56 AM 1.1 ft5:54 PM 2.1 ft | 6.3 ft |
| Fri, Nov 6Range 7.9 ft | 12:04 AM 8.4 ft1:18 PM 7.7 ft | 6:47 AM 0.5 ft6:55 PM 3.0 ft | 7.9 ft |
| Sat, Nov 7Range 7.9 ft | 12:43 AM 7.9 ft2:27 PM 8.0 ft | 7:35 AM 0.1 ft7:57 PM 3.8 ft | 7.9 ft |
| Sun, Nov 8Range 8.6 ft | 1:19 AM 7.3 ft3:30 PM 8.5 ft | 8:21 AM -0.1 ft8:59 PM 4.4 ft | 8.6 ft |
| Mon, Nov 9Range 8.9 ft | 1:53 AM 6.8 ft4:26 PM 8.8 ft | 9:04 AM -0.1 ft10:01 PM 4.8 ft | 8.9 ft |
| Tue, Nov 10Range 9.1 ft | 2:29 AM 6.3 ft5:16 PM 9.1 ft | 9:46 AM 0.0 ft11:00 PM 5.0 ft | 9.1 ft |
| Wed, Nov 11Range 9.2 ft | 3:07 AM 6.0 ft6:02 PM 9.3 ft | 10:27 AM 0.1 ft11:56 PM 5.0 ft | 9.2 ft |
| Thu, Nov 12Range 9.2 ft | 3:51 AM 5.8 ft6:45 PM 9.4 ft | 11:08 AM 0.2 ft | 9.2 ft |
Show days 15 to 30Hide days 15 to 30 | |||
| Fri, Nov 13Range 8.9 ft | 4:40 AM 5.7 ft7:25 PM 9.3 ft | 12:47 AM 4.9 ft11:50 AM 0.4 ft | 8.9 ft |
| Sat, Nov 14Range 8.7 ft | 5:34 AM 5.6 ft8:04 PM 9.2 ft | 1:34 AM 4.7 ft12:33 PM 0.5 ft | 8.7 ft |
| Sun, Nov 15Range 8.4 ft | 6:31 AM 5.5 ft8:41 PM 9.1 ft | 2:17 AM 4.4 ft1:15 PM 0.7 ft | 8.4 ft |
| Mon, Nov 16Range 7.8 ft | 7:30 AM 5.5 ft9:16 PM 8.8 ft | 2:59 AM 4.1 ft1:57 PM 1.0 ft | 7.8 ft |
| Tue, Nov 17Range 7.1 ft | 8:31 AM 5.5 ft9:47 PM 8.6 ft | 3:39 AM 3.7 ft2:39 PM 1.5 ft | 7.1 ft |
| Wed, Nov 18Range 6.3 ft | 9:32 AM 5.6 ft10:14 PM 8.3 ft | 4:16 AM 3.2 ft3:21 PM 2.0 ft | 6.3 ft |
| Thu, Nov 19Range 5.4 ft | 10:35 AM 5.9 ft10:36 PM 8.0 ft | 4:51 AM 2.6 ft4:06 PM 2.8 ft | 5.4 ft |
| Fri, Nov 20Range 6.0 ft | 11:36 AM 6.3 ft10:54 PM 7.9 ft | 5:23 AM 1.9 ft4:55 PM 3.5 ft | 6.0 ft |
| Sat, Nov 21Range 6.7 ft | 12:34 PM 6.9 ft11:13 PM 7.8 ft | 5:54 AM 1.1 ft5:48 PM 4.2 ft | 6.7 ft |
| Sun, Nov 22Range 7.7 ft | 1:32 PM 7.6 ft11:39 PM 7.9 ft | 6:28 AM 0.2 ft6:45 PM 4.9 ft | 7.7 ft |
| Mon, Nov 23Range 8.9 ft | 2:30 PM 8.3 ft | 7:06 AM -0.6 ft7:45 PM 5.4 ft | 8.9 ft |
| Tue, Nov 24Range 10.1 ft | 12:16 AM 8.0 ft3:27 PM 8.9 ft | 7:51 AM -1.2 ft8:47 PM 5.6 ft | 10.1 ft |
| Wed, Nov 25Range 11.2 ft | 1:03 AM 7.9 ft4:21 PM 9.4 ft | 8:42 AM -1.8 ft9:49 PM 5.6 ft | 11.2 ft |
| Thu, Nov 26Range 11.8 ft | 2:01 AM 7.9 ft5:15 PM 9.8 ft | 9:37 AM -2.0 ft10:51 PM 5.3 ft | 11.8 ft |
| Fri, Nov 27Range 12.1 ft | 3:09 AM 7.7 ft6:07 PM 10.0 ft | 10:35 AM -2.1 ft11:53 PM 4.8 ft | 12.1 ft |
| Sat, Nov 28Range 12.1 ft | 4:25 AM 7.5 ft6:58 PM 10.2 ft | 11:34 AM -1.9 ft | 12.1 ft |
Conditions at Black Rock, Walrus Islands
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About Black Rock, Walrus Islands tides
Black Rock, Walrus Islands is a NOAA subordinate station (9465182): NOAA predicts its times and heights from Port Moller (9463502) 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, Black Rock, Walrus Islands has two highs and two lows on 26 days and three turns on 4 days, and the daily range runs from 5.4 to 12.1 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 Black Rock, Walrus Islands today?+
Today (Friday, October 30), high tide at Black Rock, Walrus Islands is at 5:41 AM (7.4 ft), 8:21 PM (9.9 ft). Heights are referenced to MLLW (Mean Lower Low Water).
What time is low tide in Black Rock, Walrus Islands today?+
Today, low tide at Black Rock, Walrus Islands is at 1:11 AM (4.7 ft), 12:54 PM (-1.6 ft).
What tidal datum do these Black Rock, Walrus 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?+
Black Rock, Walrus Islands is a NOAA subordinate station (9465182). NOAA predicts its times and heights from Port Moller (9463502) 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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