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Nantucket Harbor entrance channel

Nantucket Harbor entrance channel Currents

A marine warning is in force for this area. The current is ebbing at 1.3 kt. Peaking at 1.5 kt at 2:43 AM. Current predictions are astronomical, so the weather in that warning can strengthen or weaken the actual flow.

Last Current - Slack

10:30 PM

EDT

2 hours, 55 minutes ago

Next Current - Ebb

2:43 AM

EDT

1.5 kt

1 hour, 17 minutes from now

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Following Current - Slack

5:07 AM

EDT

3 hours, 41 minutes from now

Today

🌊 Currents

Ebb

2:43 AM

1.5 kt

Slack

5:07 AM

Flood

7:18 AM

1.3 kt

Slack

11:07 AM

Ebb

3:19 PM

1.5 kt

Slack

5:42 PM

Flood

7:43 PM

1.2 kt

Slack

11:25 PM

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Tomorrow

🌊 Currents

Ebb

3:38 AM

1.6 kt

Slack

6:02 AM

Flood

8:08 AM

1.3 kt

Slack

11:55 AM

Ebb

4:07 PM

1.6 kt

Slack

6:30 PM

Flood

8:31 PM

1.3 kt

🌤️ Marine Weather

Saturday - October 10, 2026

🌊 Currents

Slack

12:15 AM

Ebb

4:27 AM

1.6 kt

Slack

6:51 AM

Flood

8:53 AM

1.3 kt

Slack

12:39 PM

Ebb

4:49 PM

1.6 kt

Slack

7:13 PM

Flood

9:15 PM

1.3 kt

🌤️ Marine Weather

Sunday - October 11, 2026

🌊 Currents

Slack

1:01 AM

Ebb

5:10 AM

1.6 kt

Slack

7:35 AM

Flood

9:35 AM

1.3 kt

Slack

1:21 PM

Ebb

5:28 PM

1.6 kt

Slack

7:53 PM

Flood

9:56 PM

1.3 kt

🌤️ Marine Weather

Monday - October 12, 2026

🌊 Currents

Slack

1:45 AM

Ebb

5:50 AM

1.6 kt

Slack

8:17 AM

Flood

10:15 AM

1.2 kt

Slack

2:01 PM

Ebb

6:04 PM

1.6 kt

Slack

8:32 PM

Flood

10:36 PM

1.3 kt

🌤️ Marine Weather

Tuesday - October 13, 2026

🌊 Currents

Slack

2:29 AM

Ebb

6:29 AM

1.5 kt

Slack

8:57 AM

Flood

10:53 AM

1.1 kt

Slack

2:40 PM

Ebb

6:40 PM

1.5 kt

Slack

9:10 PM

Flood

11:15 PM

1.2 kt

🌤️ Marine Weather

Wednesday - October 14, 2026

🌊 Currents

Slack

3:13 AM

Ebb

7:08 AM

1.4 kt

Slack

9:38 AM

Flood

11:32 AM

1.0 kt

Slack

3:22 PM

Ebb

7:19 PM

1.5 kt

Slack

9:51 PM

Flood

11:56 PM

1.2 kt

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Thu, Oct 8

1.3 kt at 7:18 AM

Unusually fast

Fastest Ebb

Fri, Oct 9

1.6 kt at 3:38 AM

Faster than usual

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Peak Daily Currents

Fastest

Fri, Oct 9

1.6 kt max current

Faster than usual

Slowest

Thu, Oct 8

1.5 kt max current

Typical

Nautical Charts for Nantucket Harbor entrance channel

Nantucket Harbor

Nantucket Island

Nantucket Sound and Approaches