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Boston Harbor (Deer Island Light)

Boston Harbor (Deer Island Light) Currents

The current is ebbing at 1.4 kt. Peaking at 1.4 kt at 1:30 AM. Smooth water, SSW wind at 17 kt with gusts to 26 kt.

Last Current - Slack

8:58 PM

EDT

4 hours, 30 minutes ago

Next Current - Ebb

1:30 AM

EDT

ESE

1.4 kt

1 minute from now

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Following Current - Slack

3:51 AM

EDT

2 hours, 22 minutes from now

Today

🌊 Currents

Ebb

1:30 AM

ESE

1.4 kt

Slack

3:51 AM

Flood

6:46 AM

1.4 kt

Slack

9:39 AM

Ebb

1:52 PM

ESE

1.4 kt

Slack

4:15 PM

Flood

7:05 PM

1.4 kt

Slack

10:00 PM

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Tomorrow

🌊 Currents

Ebb

2:21 AM

ESE

1.4 kt

Slack

4:44 AM

Flood

7:34 AM

1.4 kt

Slack

10:33 AM

Ebb

2:47 PM

ESE

1.4 kt

Slack

5:12 PM

Flood

7:58 PM

1.4 kt

Slack

10:57 PM

🌤️ Marine Weather

Saturday - October 10, 2026

🌊 Currents

Ebb

3:14 AM

ESE

1.4 kt

Slack

5:33 AM

Flood

8:23 AM

1.5 kt

Slack

11:22 AM

Ebb

3:43 PM

ESE

1.5 kt

Slack

6:04 PM

Flood

8:52 PM

1.4 kt

Slack

11:46 PM

🌤️ Marine Weather

Sunday - October 11, 2026

🌊 Currents

Ebb

4:05 AM

ESE

1.4 kt

Slack

6:19 AM

Flood

9:13 AM

1.5 kt

Slack

12:05 PM

Ebb

4:33 PM

ESE

1.5 kt

Slack

6:53 PM

Flood

9:46 PM

1.4 kt

🌤️ Marine Weather

Monday - October 12, 2026

🌊 Currents

Slack

12:30 AM

Ebb

4:48 AM

ESE

1.3 kt

Slack

7:03 AM

Flood

10:01 AM

1.4 kt

Slack

12:47 PM

Ebb

5:17 PM

ESE

1.5 kt

Slack

7:42 PM

Flood

10:33 PM

1.4 kt

🌤️ Marine Weather

Tuesday - October 13, 2026

🌊 Currents

Slack

1:13 AM

Ebb

5:25 AM

ESE

1.2 kt

Slack

7:46 AM

Flood

10:40 AM

1.4 kt

Slack

1:28 PM

Ebb

5:59 PM

ESE

1.4 kt

Slack

8:29 PM

Flood

11:14 PM

1.3 kt

🌤️ Marine Weather

Wednesday - October 14, 2026

🌊 Currents

Slack

1:57 AM

Ebb

5:56 AM

ESE

1.1 kt

Slack

8:28 AM

Flood

11:11 AM

1.3 kt

Slack

2:11 PM

Ebb

6:43 PM

ESE

1.2 kt

Slack

9:15 PM

Flood

11:55 PM

1.2 kt

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Sat, Oct 10

1.5 kt at 8:23 AM

Unusually fast

Fastest Ebb

Sat, Oct 10

1.5 kt at 3:43 PM

Unusually fast

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Peak Daily Currents

Fastest

Sat, Oct 10

1.5 kt max current

Faster than usual

Slowest

Wed, Oct 14

1.3 kt max current

Typical

Nautical Charts for Boston Harbor (Deer Island Light)

Boston Inner Harbor

Boston Harbor

Portsmouth Harbor to Boston Harbor