Sumner Island Tide Chart & Fishing Times
Tide times, heights, and solunar bite windows for Sumner 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
9451163
Type
Subordinate (offset)
Coordinates
56.410, -133.793
Time Zone
Anchorage
Sun, moon & bite windows
Sunday, August 2
Sunday, August 2
Sunrise 4:59 AM · Sunset 9:01 PM · Moon Waning Gibbous (83% lit)
High 3:05a · 11.8 ftLow 9:37a · -0.4 ftHigh 3:56p · 11.9 ftLow 10:02p · 1.6 ft
Major window ★★★
2:55a – 4:55a
Minor window ★★★
9:40a – 10:40a
Major window ★★★
3:05p – 5:05p
Minor window ★★★
9:23p – 10:23p
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.
Saturday, Aug 1 ★★★
Major window stacks with dawn/dusk and a tide swing
Major windows: 2:13a–4:13a, 2:22p–4:22p
Sunday, Aug 2 ★★★
Major window stacks with dawn/dusk and a tide swing
Major windows: 2:55a–4:55a, 3:05p–5:05p
Monday, Aug 3 ★★★
Major window stacks with dawn/dusk and a tide swing
Major windows: 3:39a–5:39a, 3:49p–5:49p
Thursday, Aug 6 ★★★
Major window stacks with dawn/dusk and a tide swing
Major windows: 6:05a–8:05a, 6:27p–8:27p
Wednesday, Aug 19 ★★★
Major window stacks with dawn/dusk and a tide swing
Major windows: 5:13a–7:13a, 5:30p–7:30p
Thursday, Aug 20 ★★★
Major window stacks with dawn/dusk and a tide swing
Major windows: 6:01a–8:01a, 6:22p–8:22p
Tide table — August 2026
Sumner Island tides, August 2026
All high and low tides for Sumner Island, in local time (Anchorage). Heights are feet above Mean Lower Low Water (MLLW).
| Day | Tides (height above MLLW) | Sunrise / Sunset | |
|---|---|---|---|
| 1 | Sat | H 2:26a 12.3 ftL 9:08a -1.0 ftH 3:27p 11.6 ftL 9:20p 1.9 ft | 4:57a / 9:04p |
| 2 | Sun | H 3:05a 11.8 ftL 9:37a -0.4 ftH 3:56p 11.9 ftL 10:02p 1.6 ft | 4:59a / 9:01p |
| 3 | Mon | H 3:49a 11.1 ftL 10:06a 0.4 ftH 4:26p 12.1 ftL 10:49p 1.3 ft | 5:01a / 8:59p |
| 4 | Tue | H 4:38a 10.4 ftL 10:40a 1.3 ftH 5:02p 12.3 ftL 11:44p 1.2 ft | 5:03a / 8:57p |
| 5 | Wed | H 5:38a 9.6 ftL 11:18a 2.4 ftH 5:46p 12.3 ft | 5:05a / 8:55p |
| 6 | Thu | L 12:50a 1.0 ftH 6:55a 9.0 ftL 12:08p 3.4 ftH 6:41p 12.3 ft | 5:07a / 8:53p |
| 7 | Fri | L 2:09a 0.8 ftH 8:34a 8.8 ftL 1:20p 4.2 ftH 7:49p 12.3 ft | 5:09a / 8:51p |
| 8 | Sat | L 3:29a 0.2 ftH 10:10a 9.2 ftL 2:54p 4.5 ftH 9:05p 12.5 ft | 5:11a / 8:48p |
| 9 | Sun | L 4:38a -0.6 ftH 11:18a 9.9 ftL 4:19p 4.2 ftH 10:17p 13.0 ft | 5:13a / 8:46p |
| 10 | Mon | L 5:35a -1.4 ftH 12:09p 10.7 ftL 5:26p 3.5 ftH 11:20p 13.5 ft | 5:15a / 8:44p |
| 11 | Tue | L 6:24a -1.9 ftH 12:51p 11.4 ftL 6:22p 2.6 ft | 5:17a / 8:42p |
| 12 | Wed | H 12:15a 13.8 ftL 7:08a -2.2 ftH 1:30p 12.0 ftL 7:12p 1.8 ft | 5:19a / 8:39p |
| 13 | Thu | H 1:05a 13.8 ftL 7:49a -2.2 ftH 2:06p 12.4 ftL 7:59p 1.1 ft | 5:21a / 8:37p |
| 14 | Fri | H 1:52a 13.5 ftL 8:27a -1.8 ftH 2:41p 12.7 ftL 8:45p 0.6 ft | 5:23a / 8:34p |
| 15 | Sat | H 2:38a 12.9 ftL 9:03a -1.0 ftH 3:16p 12.8 ftL 9:29p 0.5 ft | 5:25a / 8:32p |
| 16 | Sun | H 3:23a 12.1 ftL 9:37a 0.0 ftH 3:49p 12.7 ftL 10:13p 0.5 ft | 5:27a / 8:30p |
| 17 | Mon | H 4:10a 11.1 ftL 10:11a 1.2 ftH 4:23p 12.4 ftL 11p 0.8 ft | 5:29a / 8:27p |
| 18 | Tue | H 5a 10.2 ftL 10:44a 2.3 ftH 4:59p 12.0 ftL 11:51p 1.3 ft | 5:31a / 8:25p |
| 19 | Wed | H 5:59a 9.3 ftL 11:20a 3.5 ftH 5:39p 11.5 ft | 5:33a / 8:22p |
| 20 | Thu | L 12:54a 1.7 ftH 7:17a 8.7 ftL 12:06p 4.4 ftH 6:31p 11.0 ft | 5:35a / 8:20p |
| 21 | Fri | L 2:14a 1.9 ftH 9:03a 8.6 ftL 1:22p 5.1 ftH 7:40p 10.7 ft | 5:37a / 8:17p |
| 22 | Sat | L 3:35a 1.7 ftH 10:35a 9.0 ftL 3:08p 5.2 ftH 9p 10.7 ft | 5:39a / 8:15p |
| 23 | Sun | L 4:38a 1.3 ftH 11:27a 9.5 ftL 4:24p 4.9 ftH 10:08p 11.1 ft | 5:41a / 8:12p |
| 24 | Mon | L 5:25a 0.7 ftH 12:01p 10.0 ftL 5:16p 4.2 ftH 11p 11.6 ft | 5:43a / 8:10p |
| 25 | Tue | L 6:02a 0.1 ftH 12:30p 10.5 ftL 5:57p 3.5 ftH 11:43p 12.0 ft | 5:45a / 8:07p |
| 26 | Wed | L 6:35a -0.4 ftH 12:56p 11.0 ftL 6:33p 2.8 ft | 5:47a / 8:05p |
| 27 | Thu | H 12:22a 12.4 ftL 7:05a -0.6 ftH 1:21p 11.5 ftL 7:09p 2.1 ft | 5:49a / 8:02p |
| 28 | Fri | H 12:59a 12.5 ftL 7:34a -0.7 ftH 1:47p 12.0 ftL 7:44p 1.4 ft | 5:51a / 8p |
| 29 | Sat | H 1:36a 12.5 ftL 8:03a -0.5 ftH 2:13p 12.4 ftL 8:20p 0.8 ft | 5:53a / 7:57p |
| 30 | Sun | H 2:14a 12.3 ftL 8:32a 0.0 ftH 2:40p 12.8 ftL 8:58p 0.3 ft | 5:55a / 7:54p |
| 31 | Mon | H 2:55a 11.9 ftL 9:02a 0.7 ftH 3:09p 13.0 ftL 9:39p 0.1 ft | 5:57a / 7:52p |
Last QuarterAug 5
New MoonAug 12
First QuarterAug 19
Full MoonAug 27
Tide table — September 2026
Sumner Island tides, September 2026
| Day | Tides (height above MLLW) | Sunrise / Sunset | |
|---|---|---|---|
| 1 | Tue | H 3:39a 11.4 ftL 9:34a 1.5 ftH 3:42p 13.0 ftL 10:24p 0.1 ft | 5:59a / 7:49p |
| 2 | Wed | H 4:29a 10.6 ftL 10:09a 2.5 ftH 4:20p 12.9 ftL 11:18p 0.4 ft | 6:01a / 7:46p |
| 3 | Thu | H 5:31a 9.8 ftL 10:51a 3.5 ftH 5:08p 12.6 ft | 6:03a / 7:44p |
| 4 | Fri | L 12:26a 0.7 ftH 6:54a 9.3 ftL 11:48a 4.4 ftH 6:12p 12.2 ft | 6:05a / 7:41p |
| 5 | Sat | L 1:50a 0.8 ftH 8:37a 9.2 ftL 1:20p 4.9 ftH 7:35p 11.9 ft | 6:07a / 7:39p |
| 6 | Sun | L 3:15a 0.5 ftH 10:05a 9.8 ftL 3:09p 4.7 ftH 9:03p 12.0 ft | 6:09a / 7:36p |
| 7 | Mon | L 4:24a -0.1 ftH 11:03a 10.5 ftL 4:28p 3.8 ftH 10:18p 12.5 ft | 6:11a / 7:33p |
| 8 | Tue | L 5:18a -0.7 ftH 11:46a 11.3 ftL 5:27p 2.7 ftH 11:19p 12.9 ft | 6:13a / 7:31p |
| 9 | Wed | L 6:04a -1.0 ftH 12:23p 12.1 ftL 6:16p 1.6 ft | 6:15a / 7:28p |
| 10 | Thu | H 12:11a 13.2 ftL 6:44a -1.0 ftH 12:57p 12.7 ftL 7:01p 0.7 ft | 6:17a / 7:25p |
| 11 | Fri | H 12:58a 13.2 ftL 7:20a -0.8 ftH 1:29p 13.1 ftL 7:42p 0.0 ft | 6:19a / 7:23p |
| 12 | Sat | H 1:41a 13.0 ftL 7:55a -0.2 ftH 2p 13.3 ftL 8:22p -0.3 ft | 6:21a / 7:20p |
| 13 | Sun | H 2:24a 12.5 ftL 8:28a 0.6 ftH 2:30p 13.3 ftL 9p -0.4 ft | 6:23a / 7:17p |
| 14 | Mon | H 3:06a 11.9 ftL 9a 1.5 ftH 3p 13.0 ftL 9:39p -0.1 ft | 6:24a / 7:14p |
| 15 | Tue | H 3:48a 11.2 ftL 9:31a 2.5 ftH 3:30p 12.6 ftL 10:19p 0.4 ft | 6:26a / 7:12p |
| 16 | Wed | H 4:34a 10.4 ftL 10:03a 3.5 ftH 4:02p 12.1 ftL 11:04p 1.1 ft | 6:28a / 7:09p |
| 17 | Thu | H 5:28a 9.7 ftL 10:37a 4.3 ftH 4:40p 11.5 ft | 6:30a / 7:06p |
| 18 | Fri | L 12a 1.7 ftH 6:42a 9.1 ftL 11:23a 5.1 ftH 5:32p 10.8 ft | 6:32a / 7:04p |
| 19 | Sat | L 1:16a 2.2 ftH 8:24a 9.0 ftL 12:47p 5.5 ftH 6:50p 10.4 ft | 6:34a / 7:01p |
| 20 | Sun | L 2:45a 2.2 ftH 9:53a 9.3 ftL 2:49p 5.4 ftH 8:24p 10.3 ft | 6:36a / 6:58p |
| 21 | Mon | L 3:54a 1.8 ftH 10:42a 9.9 ftL 4:05p 4.7 ftH 9:40p 10.7 ft | 6:38a / 6:56p |
| 22 | Tue | L 4:43a 1.3 ftH 11:15a 10.4 ftL 4:54p 3.8 ftH 10:35p 11.2 ft | 6:40a / 6:53p |
| 23 | Wed | L 5:20a 0.8 ftH 11:42a 11.1 ftL 5:33p 2.9 ftH 11:21p 11.7 ft | 6:42a / 6:50p |
| 24 | Thu | L 5:53a 0.5 ftH 12:08p 11.7 ftL 6:09p 1.9 ft | 6:44a / 6:48p |
| 25 | Fri | H 12:02a 12.1 ftL 6:24a 0.3 ftH 12:33p 12.4 ftL 6:44p 0.9 ft | 6:46a / 6:45p |
| 26 | Sat | H 12:42a 12.4 ftL 6:55a 0.4 ftH 12:59p 13.0 ftL 7:20p 0.0 ft | 6:48a / 6:42p |
| 27 | Sun | H 1:22a 12.5 ftL 7:26a 0.8 ftH 1:27p 13.5 ftL 7:57p -0.6 ft | 6:50a / 6:39p |
| 28 | Mon | H 2:03a 12.4 ftL 7:58a 1.3 ftH 1:58p 13.8 ftL 8:36p -1.0 ft | 6:52a / 6:37p |
| 29 | Tue | H 2:46a 12.1 ftL 8:32a 2.0 ftH 2:31p 13.9 ftL 9:19p -1.0 ft | 6:54a / 6:34p |
| 30 | Wed | H 3:33a 11.6 ftL 9:09a 2.8 ftH 3:08p 13.8 ftL 10:06p -0.7 ft | 6:56a / 6:31p |
Last QuarterSep 3
New MoonSep 10
First QuarterSep 18
Full MoonSep 26
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Nearby stations
Tide charts near Sumner Island
About this data
Predictions for Sumner 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.