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Old Man Shoal, Nantucket Shoals

Old Man Shoal, Nantucket Shoals Currents

A marine warning is in force for this area. The current is ebbing at 0.7 kt. Next slack water at 3:08 AM. Current predictions are astronomical, so the weather in that warning can strengthen or weaken the actual flow.

Last Current - Ebb

11:59 PM

EDT

SW

1.5 kt

2 hours, 12 minutes ago

Next Current - Slack

3:08 AM

EDT

56 minutes from now

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Following Current - Flood

6:26 AM

EDT

E

1.9 kt

4 hours, 14 minutes from now

Today

🌊 Currents

Slack

3:08 AM

Flood

6:26 AM

E

1.9 kt

Slack

9:40 AM

Ebb

12:35 PM

SW

1.5 kt

Slack

3:43 PM

Flood

6:51 PM

E

1.8 kt

Slack

9:58 PM

🌤️ Marine Weather

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Tomorrow

🌊 Currents

Ebb

12:54 AM

SW

1.6 kt

Slack

4:03 AM

Flood

7:16 AM

E

2.0 kt

Slack

10:28 AM

Ebb

1:23 PM

SW

1.6 kt

Slack

4:31 PM

Flood

7:39 PM

E

1.9 kt

Slack

10:48 PM

🌤️ Marine Weather

Saturday - October 10, 2026

🌊 Currents

Ebb

1:43 AM

SW

1.6 kt

Slack

4:52 AM

Flood

8:01 AM

E

2.0 kt

Slack

11:12 AM

Ebb

2:05 PM

SW

1.6 kt

Slack

5:14 PM

Flood

8:23 PM

E

2.0 kt

Slack

11:34 PM

🌤️ Marine Weather

Sunday - October 11, 2026

🌊 Currents

Ebb

2:26 AM

SW

1.6 kt

Slack

5:36 AM

Flood

8:43 AM

E

1.9 kt

Slack

11:54 AM

Ebb

2:44 PM

SW

1.6 kt

Slack

5:54 PM

Flood

9:04 PM

E

1.9 kt

🌤️ Marine Weather

Monday - October 12, 2026

🌊 Currents

Slack

12:18 AM

Ebb

3:06 AM

SW

1.6 kt

Slack

6:18 AM

Flood

9:23 AM

E

1.8 kt

Slack

12:34 PM

Ebb

3:20 PM

SW

1.6 kt

Slack

6:33 PM

Flood

9:44 PM

E

1.9 kt

🌤️ Marine Weather

Tuesday - October 13, 2026

🌊 Currents

Slack

1:02 AM

Ebb

3:45 AM

SW

1.5 kt

Slack

6:58 AM

Flood

10:01 AM

E

1.7 kt

Slack

1:13 PM

Ebb

3:56 PM

SW

1.5 kt

Slack

7:11 PM

Flood

10:23 PM

E

1.8 kt

🌤️ Marine Weather

Wednesday - October 14, 2026

🌊 Currents

Slack

1:46 AM

Ebb

4:24 AM

SW

1.4 kt

Slack

7:39 AM

Flood

10:40 AM

E

1.6 kt

Slack

1:55 PM

Ebb

4:35 PM

SW

1.5 kt

Slack

7:52 PM

Flood

11:04 PM

E

1.8 kt

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Fri, Oct 9

2.0 kt at 7:16 AM

Unusually fast

Fastest Ebb

Fri, Oct 9

1.6 kt at 12:54 AM

Faster than usual

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Peak Daily Currents

Fastest

Fri, Oct 9

2.0 kt max current

Unusually fast

Slowest

Tue, Oct 13

1.8 kt max current

Typical