Charlestown, Charles River entrance Tide Chart & Fishing Times
Tide times, heights, and solunar bite windows for Charlestown, Charles River entrance, Massachusetts — August 2026 & September 2026. Every value is computed from NOAA harmonic constituents, the same offline engine that powers the Ebb app.
NOAA Station
8443838
Type
Subordinate (offset)
Coordinates
42.372, -71.055
Time Zone
New York
Sun, moon & bite windows
Sunday, August 2
Sunday, August 2
Sunrise 5:37 AM · Sunset 8:02 PM · Moon Waning Gibbous (84% lit)
High 2:10a · 10.1 ftLow 8:27a · 0.2 ftHigh 2:38p · 9.7 ftLow 8:45p · 0.7 ft
Major window ★★★
2:35a – 4:35a
Minor window ★★★
9:13a – 10:13a
Major window ★★★
2:49p – 4:49p
Minor window ★★★
9:20p – 10:20p
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.
Wednesday, Aug 5 ★★★
Major window overlaps dawn/dusk or a tide swing
Major windows: 4:51a–6:51a, 5:10p–7:10p
Thursday, Aug 6 ★★★
Major window overlaps dawn/dusk or a tide swing
Major windows: 5:43a–7:43a, 6:07p–8:07p
Friday, Aug 7 ★★★
Major window overlaps dawn/dusk or a tide swing
Major windows: 6:41a–8:41a, 7:09p–9:09p
Thursday, Aug 20 ★★★
Major window stacks with dawn/dusk and a tide swing
Major windows: 5:40a–7:40a, 6:03p–8:03p
Friday, Aug 21 ★★★
Major window stacks with dawn/dusk and a tide swing
Major windows: 6:30a–8:30a, 6:55p–8:55p
Saturday, Aug 22 ★★★
Major window stacks with dawn/dusk and a tide swing
Major windows: 7:21a–9:21a, 7:48p–9:48p
Tide table — August 2026
Charlestown, Charles River entrance tides, August 2026
All high and low tides for Charlestown, Charles River entrance, in local time (New York). Heights are feet above Mean Lower Low Water (MLLW).
| Day | Tides (height above MLLW) | Sunrise / Sunset | |
|---|---|---|---|
| 1 | Sat | H 1:31a 10.2 ftL 7:50a 0.2 ftH 2:01p 9.5 ftL 8:03p 0.9 ft | 5:36a / 8:03p |
| 2 | Sun | H 2:10a 10.1 ftL 8:27a 0.2 ftH 2:38p 9.7 ftL 8:45p 0.7 ft | 5:37a / 8:02p |
| 3 | Mon | H 2:52a 10.0 ftL 9:07a 0.3 ftH 3:17p 10.0 ftL 9:31p 0.6 ft | 5:38a / 8:01p |
| 4 | Tue | H 3:36a 9.7 ftL 9:49a 0.5 ftH 4p 10.1 ftL 10:21p 0.6 ft | 5:39a / 8p |
| 5 | Wed | H 4:25a 9.4 ftL 10:36a 0.7 ftH 4:48p 10.3 ftL 11:15p 0.6 ft | 5:40a / 7:58p |
| 6 | Thu | H 5:20a 9.1 ftL 11:28a 0.9 ftH 5:41p 10.4 ft | 5:41a / 7:57p |
| 7 | Fri | L 12:13a 0.6 ftH 6:19a 8.8 ftL 12:25p 1.1 ftH 6:39p 10.4 ft | 5:43a / 7:56p |
| 8 | Sat | L 1:15a 0.5 ftH 7:22a 8.7 ftL 1:26p 1.1 ftH 7:41p 10.6 ft | 5:44a / 7:54p |
| 9 | Sun | L 2:19a 0.3 ftH 8:28a 8.8 ftL 2:29p 1.0 ftH 8:45p 10.8 ft | 5:45a / 7:53p |
| 10 | Mon | L 3:22a 0.0 ftH 9:33a 9.1 ftL 3:32p 0.7 ftH 9:48p 11.1 ft | 5:46a / 7:52p |
| 11 | Tue | L 4:21a -0.4 ftH 10:33a 9.5 ftL 4:32p 0.4 ftH 10:47p 11.3 ft | 5:47a / 7:50p |
| 12 | Wed | L 5:16a -0.7 ftH 11:28a 9.9 ftL 5:28p 0.0 ftH 11:42p 11.4 ft | 5:48a / 7:49p |
| 13 | Thu | L 6:07a -0.9 ftH 12:20p 10.3 ftL 6:21p -0.2 ft | 5:49a / 7:48p |
| 14 | Fri | H 12:36a 11.3 ftL 6:56a -0.8 ftH 1:10p 10.5 ftL 7:13p -0.3 ft | 5:50a / 7:46p |
| 15 | Sat | H 1:27a 11.1 ftL 7:43a -0.6 ftH 1:57p 10.5 ftL 8:03p -0.2 ft | 5:51a / 7:45p |
| 16 | Sun | H 2:17a 10.6 ftL 8:28a -0.2 ftH 2:43p 10.5 ftL 8:52p 0.0 ft | 5:52a / 7:43p |
| 17 | Mon | H 3:06a 10.1 ftL 9:13a 0.4 ftH 3:28p 10.2 ftL 9:42p 0.4 ft | 5:53a / 7:42p |
| 18 | Tue | H 3:55a 9.5 ftL 10a 0.9 ftH 4:15p 9.9 ftL 10:35p 0.8 ft | 5:54a / 7:40p |
| 19 | Wed | H 4:47a 8.9 ftL 10:49a 1.5 ftH 5:04p 9.6 ftL 11:29p 1.2 ft | 5:55a / 7:39p |
| 20 | Thu | H 5:42a 8.4 ftL 11:40a 2.0 ftH 5:57p 9.3 ft | 5:56a / 7:37p |
| 21 | Fri | L 12:26a 1.5 ftH 6:40a 8.1 ftL 12:34p 2.3 ftH 6:52p 9.1 ft | 5:57a / 7:36p |
| 22 | Sat | L 1:24a 1.7 ftH 7:39a 7.9 ftL 1:29p 2.4 ftH 7:49p 9.1 ft | 5:58a / 7:34p |
| 23 | Sun | L 2:22a 1.6 ftH 8:37a 7.9 ftL 2:25p 2.3 ftH 8:45p 9.2 ft | 5:59a / 7:32p |
| 24 | Mon | L 3:17a 1.5 ftH 9:31a 8.2 ftL 3:19p 2.1 ftH 9:37p 9.5 ft | 6:01a / 7:31p |
| 25 | Tue | L 4:04a 1.2 ftH 10:17a 8.5 ftL 4:07p 1.8 ftH 10:22p 9.8 ft | 6:02a / 7:29p |
| 26 | Wed | L 4:46a 0.8 ftH 10:58a 8.8 ftL 4:51p 1.4 ftH 11:04p 10.0 ft | 6:03a / 7:28p |
| 27 | Thu | L 5:24a 0.5 ftH 11:36a 9.2 ftL 5:33p 1.0 ftH 11:44p 10.2 ft | 6:04a / 7:26p |
| 28 | Fri | L 6:01a 0.3 ftH 12:12p 9.6 ftL 6:14p 0.6 ft | 6:05a / 7:24p |
| 29 | Sat | H 12:23a 10.3 ftL 6:38a 0.1 ftH 12:48p 9.9 ftL 6:55p 0.4 ft | 6:06a / 7:23p |
| 30 | Sun | H 1:03a 10.3 ftL 7:16a 0.1 ftH 1:25p 10.2 ftL 7:37p 0.1 ft | 6:07a / 7:21p |
| 31 | Mon | H 1:44a 10.2 ftL 7:55a 0.1 ftH 2:04p 10.4 ftL 8:20p 0.0 ft | 6:08a / 7:19p |
Last QuarterAug 5
New MoonAug 12
First QuarterAug 19
Full MoonAug 27
Tide table — September 2026
Charlestown, Charles River entrance tides, September 2026
| Day | Tides (height above MLLW) | Sunrise / Sunset | |
|---|---|---|---|
| 1 | Tue | H 2:27a 10.0 ftL 8:36a 0.3 ftH 2:45p 10.6 ftL 9:07p 0.0 ft | 6:09a / 7:18p |
| 2 | Wed | H 3:13a 9.7 ftL 9:21a 0.5 ftH 3:30p 10.6 ftL 9:58p 0.1 ft | 6:10a / 7:16p |
| 3 | Thu | H 4:05a 9.3 ftL 10:11a 0.8 ftH 4:22p 10.5 ftL 10:54p 0.3 ft | 6:11a / 7:14p |
| 4 | Fri | H 5:02a 9.0 ftL 11:07a 1.1 ftH 5:19p 10.4 ftL 11:56p 0.5 ft | 6:12a / 7:12p |
| 5 | Sat | H 6:05a 8.7 ftL 12:09p 1.3 ftH 6:23p 10.3 ft | 6:13a / 7:11p |
| 6 | Sun | L 1a 0.5 ftH 7:12a 8.7 ftL 1:13p 1.3 ftH 7:30p 10.3 ft | 6:14a / 7:09p |
| 7 | Mon | L 2:05a 0.4 ftH 8:20a 8.9 ftL 2:19p 1.2 ftH 8:37p 10.4 ft | 6:15a / 7:07p |
| 8 | Tue | L 3:09a 0.2 ftH 9:24a 9.3 ftL 3:23p 0.8 ftH 9:41p 10.7 ft | 6:16a / 7:06p |
| 9 | Wed | L 4:07a -0.1 ftH 10:21a 9.8 ftL 4:22p 0.3 ftH 10:38p 10.9 ft | 6:17a / 7:04p |
| 10 | Thu | L 4:58a -0.4 ftH 11:12a 10.2 ftL 5:15p -0.1 ftH 11:30p 10.9 ft | 6:18a / 7:02p |
| 11 | Fri | L 5:46a -0.4 ftH 11:59a 10.5 ftL 6:05p -0.3 ft | 6:19a / 7p |
| 12 | Sat | H 12:20a 10.8 ftL 6:31a -0.3 ftH 12:43p 10.7 ftL 6:53p -0.4 ft | 6:21a / 6:59p |
| 13 | Sun | H 1:07a 10.6 ftL 7:14a 0.0 ftH 1:26p 10.6 ftL 7:39p -0.3 ft | 6:22a / 6:57p |
| 14 | Mon | H 1:53a 10.2 ftL 7:56a 0.4 ftH 2:08p 10.5 ftL 8:25p 0.0 ft | 6:23a / 6:55p |
| 15 | Tue | H 2:38a 9.7 ftL 8:39a 0.9 ftH 2:50p 10.2 ftL 9:10p 0.4 ft | 6:24a / 6:53p |
| 16 | Wed | H 3:23a 9.2 ftL 9:23a 1.4 ftH 3:34p 9.8 ftL 9:59p 0.9 ft | 6:25a / 6:51p |
| 17 | Thu | H 4:12a 8.6 ftL 10:10a 1.9 ftH 4:22p 9.5 ftL 10:51p 1.3 ft | 6:26a / 6:50p |
| 18 | Fri | H 5:05a 8.2 ftL 11:01a 2.2 ftH 5:15p 9.2 ftL 11:46p 1.6 ft | 6:27a / 6:48p |
| 19 | Sat | H 6:01a 8.0 ftL 11:56a 2.5 ftH 6:11p 9.0 ft | 6:28a / 6:46p |
| 20 | Sun | L 12:43a 1.8 ftH 6:59a 7.9 ftL 12:52p 2.5 ftH 7:09p 8.9 ft | 6:29a / 6:44p |
| 21 | Mon | L 1:39a 1.8 ftH 7:57a 8.0 ftL 1:49p 2.4 ftH 8:06p 9.1 ft | 6:30a / 6:43p |
| 22 | Tue | L 2:33a 1.6 ftH 8:50a 8.3 ftL 2:43p 2.1 ftH 9p 9.3 ft | 6:31a / 6:41p |
| 23 | Wed | L 3:22a 1.3 ftH 9:37a 8.7 ftL 3:34p 1.6 ftH 9:47p 9.6 ft | 6:32a / 6:39p |
| 24 | Thu | L 4:05a 0.9 ftH 10:18a 9.2 ftL 4:19p 1.1 ftH 10:31p 9.9 ft | 6:33a / 6:37p |
| 25 | Fri | L 4:45a 0.6 ftH 10:56a 9.7 ftL 5:02p 0.5 ftH 11:12p 10.2 ft | 6:34a / 6:36p |
| 26 | Sat | L 5:24a 0.3 ftH 11:33a 10.2 ftL 5:45p 0.1 ftH 11:53p 10.3 ft | 6:35a / 6:34p |
| 27 | Sun | L 6:03a 0.1 ftH 12:10p 10.6 ftL 6:27p -0.3 ft | 6:37a / 6:32p |
| 28 | Mon | H 12:35a 10.3 ftL 6:43a 0.0 ftH 12:50p 10.9 ftL 7:12p -0.5 ft | 6:38a / 6:30p |
| 29 | Tue | H 1:19a 10.2 ftL 7:25a 0.1 ftH 1:32p 11.1 ftL 7:58p -0.6 ft | 6:39a / 6:29p |
| 30 | Wed | H 2:06a 10.0 ftL 8:10a 0.3 ftH 2:18p 11.1 ftL 8:47p -0.5 ft | 6:40a / 6:27p |
Last QuarterSep 3
New MoonSep 10
First QuarterSep 18
Full MoonSep 26
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Tide charts near Charlestown, Charles River entrance
About this data
Predictions for Charlestown, Charles River entrance 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.