Sweeper Cove, Kuluk Bay, Adak Island Tide Chart & Fishing Times
Tide times, heights, and solunar bite windows for Sweeper Cove, Kuluk Bay, Adak Island, Alaska — August 2026 & September 2026. Every value is computed from NOAA harmonic constituents, the same offline engine that powers the Ebb app.
NOAA Station
9461380
Type
Harmonic (reference)
Coordinates
51.861, -176.638
Time Zone
Honolulu
Sun, moon & bite windows
Sunday, August 2
Sunday, August 2
Sunrise 6:11 AM · Sunset 9:33 PM · Moon Waning Gibbous (82% lit)
Low 1:31p · 0.5 ftHigh 9:23p · 2.9 ft
Major window ★★★
3:51a – 5:51a
Minor window ★★★
10:39a – 11:39a
Major window ★★★
4:02p – 6:02p
Minor window ★★★
10:20p – 11:20p
Best fishing days — August 2026
Top solunar bite days this month
Ranked by solunar quality — days when the major feeding windows stack up with sunrise, sunset, or a strong tide swing.
Thursday, Aug 6 ★★★
Major window overlaps dawn/dusk or a tide swing
Major windows: 7:03a–9:03a, 7:26p–9:26p
Friday, Aug 7 ★★★
Major window stacks with dawn/dusk and a tide swing
Major windows: 8:02a–10:02a, 8:30p–10:30p
Saturday, Aug 8 ★★★
Major window stacks with dawn/dusk and a tide swing
Major windows: 9:04a–11:04a, 9:38p–11:38p
Wednesday, Aug 19 ★★★
Major window overlaps dawn/dusk or a tide swing
Major windows: 6:09a–8:09a, 6:28p–8:28p
Friday, Aug 21 ★★★
Major window stacks with dawn/dusk and a tide swing
Major windows: 7:48a–9:48a, 8:13p–10:13p
Saturday, Aug 22 ★★★
Major window stacks with dawn/dusk and a tide swing
Major windows: 8:38a–10:38a, 9:06p–11:06p
Tide table — August 2026
Sweeper Cove, Kuluk Bay, Adak Island tides, August 2026
All high and low tides for Sweeper Cove, Kuluk Bay, Adak Island, in local time (Honolulu). Heights are feet above Mean Lower Low Water (MLLW).
| Day | Tides (height above MLLW) | Sunrise / Sunset | |
|---|---|---|---|
| 1 | Sat | L 1:06p 0.1 ftH 10:03p 3.0 ft | 6:09a / 9:35p |
| 2 | Sun | L 1:31p 0.5 ftH 9:23p 2.9 ft | 6:11a / 9:33p |
| 3 | Mon | L 3:52a 1.8 ftH 7:24a 2.0 ftL 1:40p 1.2 ftH 8:59p 3.1 ft | 6:12a / 9:31p |
| 4 | Tue | L 4:21a 1.1 ftH 10:12a 1.9 ftL 1:32p 1.7 ftH 8:59p 3.5 ft | 6:14a / 9:30p |
| 5 | Wed | L 4:58a 0.4 ftH 9:10p 3.9 ft | 6:15a / 9:28p |
| 6 | Thu | L 5:41a -0.2 ftH 9:33p 4.3 ft | 6:17a / 9:26p |
| 7 | Fri | L 6:28a -0.7 ftH 10:08p 4.6 ft | 6:18a / 9:24p |
| 8 | Sat | L 7:18a -1.1 ftH 10:53p 4.9 ft | 6:20a / 9:22p |
| 9 | Sun | L 8:10a -1.3 ftH 11:45p 4.9 ft | 6:22a / 9:20p |
| 10 | Mon | L 9:03a -1.3 ft | 6:23a / 9:18p |
| 11 | Tue | H 12:42a 4.7 ftL 9:56a -1.2 ft | 6:25a / 9:17p |
| 12 | Wed | H 1:45a 4.4 ftL 10:47a -1.0 ft | 6:26a / 9:15p |
| 13 | Thu | H 2:57a 3.9 ftL 11:35a -0.6 ftH 8:10p 2.8 ftL 11:18p 2.7 ft | 6:28a / 9:13p |
| 14 | Fri | H 4:21a 3.3 ftL 12:21p -0.1 ftH 8:03p 2.8 ft | 6:30a / 9:11p |
| 15 | Sat | L 1:08a 2.1 ftH 5:59a 2.8 ftL 1:04p 0.5 ftH 8:10p 3.0 ft | 6:31a / 9:09p |
| 16 | Sun | L 2:25a 1.4 ftH 7:49a 2.4 ftL 1:45p 1.1 ftH 8:24p 3.1 ft | 6:33a / 9:07p |
| 17 | Mon | L 3:25a 0.8 ftH 9:46a 2.3 ftL 2:24p 1.7 ftH 8:40p 3.3 ft | 6:34a / 9:05p |
| 18 | Tue | L 4:16a 0.4 ftH 11:42a 2.5 ftL 2:59p 2.3 ftH 8:58p 3.4 ft | 6:36a / 9:02p |
| 19 | Wed | L 5:04a 0.0 ftH 1:33p 2.7 ftL 3:24p 2.7 ftH 9:17p 3.6 ft | 6:38a / 9p |
| 20 | Thu | L 5:50a -0.2 ftH 9:37p 3.7 ft | 6:39a / 8:58p |
| 21 | Fri | L 6:35a -0.3 ftH 10p 3.8 ft | 6:41a / 8:56p |
| 22 | Sat | L 7:20a -0.3 ftH 10:27p 3.9 ft | 6:43a / 8:54p |
| 23 | Sun | L 8:05a -0.3 ftH 10:58p 3.9 ft | 6:44a / 8:52p |
| 24 | Mon | L 8:49a -0.3 ftH 11:31p 3.8 ft | 6:46a / 8:50p |
| 25 | Tue | L 9:31a -0.2 ft | 6:47a / 8:48p |
| 26 | Wed | H 12:07a 3.7 ftL 10:09a -0.1 ft | 6:49a / 8:45p |
| 27 | Thu | H 12:47a 3.4 ftL 10:44a 0.1 ft | 6:51a / 8:43p |
| 28 | Fri | H 1:41a 3.1 ftL 11:17a 0.4 ftH 8:20p 2.6 ftL 11:15p 2.5 ft | 6:52a / 8:41p |
| 29 | Sat | H 3:17a 2.6 ftL 11:47a 0.8 ftH 7:21p 2.5 ft | 6:54a / 8:39p |
| 30 | Sun | L 12:49a 1.9 ftH 5:33a 2.3 ftL 12:15p 1.3 ftH 7:01p 2.7 ft | 6:55a / 8:36p |
| 31 | Mon | L 1:46a 1.3 ftH 7:56a 2.2 ftL 12:37p 1.9 ftH 6:59p 3.0 ft | 6:57a / 8:34p |
Last QuarterAug 5
New MoonAug 12
First QuarterAug 19
Full MoonAug 27
Tide table — September 2026
Sweeper Cove, Kuluk Bay, Adak Island tides, September 2026
| Day | Tides (height above MLLW) | Sunrise / Sunset | |
|---|---|---|---|
| 1 | Tue | L 2:34a 0.7 ftH 10:54a 2.4 ftL 12:40p 2.4 ftH 7:09p 3.3 ft | 6:59a / 8:32p |
| 2 | Wed | L 3:21a 0.1 ftH 7:32p 3.7 ft | 7a / 8:30p |
| 3 | Thu | L 4:10a -0.4 ftH 8:07p 4.1 ft | 7:02a / 8:27p |
| 4 | Fri | L 5:01a -0.8 ftH 8:53p 4.3 ft | 7:04a / 8:25p |
| 5 | Sat | L 5:54a -1.0 ftH 9:47p 4.5 ft | 7:05a / 8:23p |
| 6 | Sun | L 6:48a -1.0 ftH 10:46p 4.4 ft | 7:07a / 8:21p |
| 7 | Mon | L 7:41a -0.9 ftH 11:50p 4.2 ft | 7:08a / 8:18p |
| 8 | Tue | L 8:33a -0.7 ft | 7:10a / 8:16p |
| 9 | Wed | H 12:59a 3.8 ftL 9:23a -0.3 ftH 5:44p 2.6 ftL 8:33p 2.5 ft | 7:12a / 8:14p |
| 10 | Thu | H 2:17a 3.4 ftL 10:12a 0.2 ftH 5:42p 2.6 ftL 10:18p 2.0 ft | 7:13a / 8:11p |
| 11 | Fri | H 3:50a 2.9 ftL 10:59a 0.7 ftH 5:49p 2.6 ftL 11:44p 1.5 ft | 7:15a / 8:09p |
| 12 | Sat | H 5:38a 2.6 ftL 11:46a 1.3 ftH 6:02p 2.7 ft | 7:17a / 8:07p |
| 13 | Sun | L 12:52a 0.9 ftH 7:36a 2.6 ftL 12:36p 1.9 ftH 6:17p 2.9 ft | 7:18a / 8:04p |
| 14 | Mon | L 1:48a 0.5 ftH 9:27a 2.8 ftL 1:29p 2.4 ftH 6:35p 3.1 ft | 7:20a / 8:02p |
| 15 | Tue | L 2:36a 0.1 ftH 10:57a 3.0 ftL 2:25p 2.8 ftH 6:54p 3.2 ft | 7:21a / 8p |
| 16 | Wed | L 3:22a -0.1 ftH 12:10p 3.2 ftL 3:18p 3.1 ftH 7:16p 3.3 ft | 7:23a / 7:57p |
| 17 | Thu | L 4:06a -0.2 ftH 1:15p 3.4 ftL 4p 3.3 ftH 7:44p 3.5 ft | 7:25a / 7:55p |
| 18 | Fri | L 4:51a -0.2 ftH 2:19p 3.4 ftL 4:26p 3.3 ftH 8:18p 3.5 ft | 7:26a / 7:53p |
| 19 | Sat | L 5:37a -0.2 ftH 3:35p 3.3 ftL 4:29p 3.3 ftH 8:59p 3.6 ft | 7:28a / 7:50p |
| 20 | Sun | L 6:21a -0.1 ftH 9:42p 3.5 ft | 7:29a / 7:48p |
| 21 | Mon | L 7:05a 0.0 ftH 10:27p 3.4 ft | 7:31a / 7:46p |
| 22 | Tue | L 7:45a 0.1 ftH 11:15p 3.2 ft | 7:33a / 7:43p |
| 23 | Wed | L 8:22a 0.4 ftH 6:01p 2.6 ftL 6:56p 2.6 ft | 7:34a / 7:41p |
| 24 | Thu | H 12:14a 3.0 ftL 8:55a 0.7 ftH 5:04p 2.4 ftL 8:45p 2.3 ft | 7:36a / 7:39p |
| 25 | Fri | H 1:38a 2.6 ftL 9:26a 1.1 ftH 4:33p 2.4 ftL 10:07p 1.8 ft | 7:38a / 7:36p |
| 26 | Sat | H 3:38a 2.3 ftL 9:53a 1.6 ftH 4:19p 2.6 ftL 11:12p 1.3 ft | 7:39a / 7:34p |
| 27 | Sun | H 6:13a 2.3 ftL 10:14a 2.1 ftH 4:16p 2.8 ft | 7:41a / 7:32p |
| 28 | Mon | L 12:08a 0.7 ftH 4:24p 3.2 ft | 7:43a / 7:29p |
| 29 | Tue | L 1a 0.1 ftH 4:45p 3.6 ft | 7:44a / 7:27p |
| 30 | Wed | L 1:51a -0.4 ftH 5:23p 3.9 ft | 7:46a / 7:25p |
Last QuarterSep 3
New MoonSep 10
First QuarterSep 17
Full MoonSep 25
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Nearby stations
Tide charts near Sweeper Cove, Kuluk Bay, Adak Island
About this data
Predictions for Sweeper Cove, Kuluk Bay, Adak Island are computed from NOAA CO-OPS harmonic constituents using Ebb's on-device engine (a Schureman/pytides harmonic model). They are astronomical tide predictions and do not account for weather, wind, or barometric pressure, which can shift real water levels. Solunar bite windows are a fishing-planning heuristic, not a guarantee. Ebb is a fishing- and trip-planning tool, not a navigation product — always consult NOAA Tides & Currents and official sources for navigation-critical decisions.