Halfmoon Shoal, 1.9 mi northeast of, Nantucket Sound, Massachusetts Current Predictions (Legacy)

Local time: 2025-11-22 Sat 6:49 PM EST

Warning: tidal prediction constants for this station are very old and predictions may be wildly incorrect. See https://tides.mobilegeographics.com for newer data. 

Halfmoon Shoal, 1.9 mi northeast of, Nantucket Sound, Massachusetts Current
41.4842° N, 70.1925° W
Flood direction 110° true
Ebb direction 265° true

2025-11-22 Sat  9:43 PM EST    0.8 knots  Max Flood
2025-11-23 Sun 12:36 AM EST   -0.0 knots  Slack, Ebb Begins
                3:32 AM EST   -0.5 knots  Max Ebb
                6:36 AM EST    0.0 knots  Slack, Flood Begins
                6:38 AM EST   Sunrise
                9:56 AM EST    0.6 knots  Max Flood
                9:57 AM EST   Moonrise
               12:36 PM EST   -0.0 knots  Slack, Ebb Begins
                3:38 PM EST   -0.5 knots  Max Ebb
                4:14 PM EST   Sunset
                6:34 PM EST   Moonset
                6:43 PM EST    0.0 knots  Slack, Flood Begins
               10:19 PM EST    0.8 knots  Max Flood
2025-11-24 Mon  1:18 AM EST   -0.0 knots  Slack, Ebb Begins
                4:12 AM EST   -0.4 knots  Max Ebb
                6:40 AM EST   Sunrise
                7:18 AM EST    0.0 knots  Slack, Flood Begins
               10:34 AM EST    0.6 knots  Max Flood
               10:38 AM EST   Moonrise
                1:19 PM EST   -0.0 knots  Slack, Ebb Begins
                4:14 PM EST   Sunset
                4:20 PM EST   -0.5 knots  Max Ebb
                7:24 PM EST    0.0 knots  Slack, Flood Begins
                7:37 PM EST   Moonset
               10:59 PM EST    0.8 knots  Max Flood
2025-11-25 Tue  2:03 AM EST   -0.0 knots  Slack, Ebb Begins
                4:57 AM EST   -0.4 knots  Max Ebb
                6:41 AM EST   Sunrise
                8:03 AM EST    0.0 knots  Slack, Flood Begins
               11:13 AM EST   Moonrise
               11:18 AM EST    0.6 knots  Max Flood
                2:06 PM EST   -0.0 knots  Slack, Ebb Begins
                4:13 PM EST   Sunset
                5:06 PM EST   -0.5 knots  Max Ebb
                8:09 PM EST    0.0 knots  Slack, Flood Begins
                8:44 PM EST   Moonset
               11:44 PM EST    0.8 knots  Max Flood
2025-11-26 Wed  2:50 AM EST   -0.0 knots  Slack, Ebb Begins
                5:44 AM EST   -0.4 knots  Max Ebb
                6:42 AM EST   Sunrise
                8:51 AM EST    0.0 knots  Slack, Flood Begins
               11:42 AM EST   Moonrise
               12:06 PM EST    0.6 knots  Max Flood
                2:56 PM EST   -0.0 knots  Slack, Ebb Begins
                4:13 PM EST   Sunset
                5:56 PM EST   -0.5 knots  Max Ebb

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