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Boston Harbor (Deer Island Light)

Boston Harbor (Deer Island Light) Currents

Last Current - Slack

5:20 PM

3 hours, 47 minutes ago

Next Current - Ebb

9:47 PM

ESE

1.1 kts

39 minutes from now

Following Current - Slack

12:19 AM

3 hours, 11 minutes from now

Today

🌊 Currents

Flood

2:12 AM

W

1.1 kts

Slack

4:54 AM

Ebb

9:12 AM

ESE

1.0 kts

Slack

11:33 AM

Flood

2:35 PM

W

1.1 kts

Slack

5:20 PM

Ebb

9:47 PM

ESE

1.1 kts

Tomorrow

🌊 Currents

Slack

12:19 AM

Flood

3:17 AM

W

1.0 kts

Slack

5:54 AM

Ebb

10:00 AM

ESE

0.9 kts

Slack

12:29 PM

Flood

3:32 PM

W

1.0 kts

Slack

6:18 PM

Ebb

10:53 PM

ESE

1.1 kts

Thursday - July 23, 2026

🌊 Currents

Slack

1:22 AM

Flood

4:18 AM

W

0.9 kts

Slack

6:54 AM

Ebb

11:08 AM

ESE

0.8 kts

Slack

1:25 PM

Flood

4:33 PM

W

0.9 kts

Slack

7:15 PM

Ebb

11:59 PM

ESE

1.1 kts

Friday - July 24, 2026

🌊 Currents

Slack

2:20 AM

Flood

5:21 AM

W

0.9 kts

Slack

7:50 AM

Ebb

12:11 PM

ESE

0.8 kts

Slack

2:16 PM

Flood

5:36 PM

W

0.9 kts

Slack

8:06 PM

Saturday - July 25, 2026

🌊 Currents

Ebb

12:51 AM

ESE

1.1 kts

Slack

3:13 AM

Flood

6:16 AM

W

1.0 kts

Slack

8:42 AM

Ebb

12:56 PM

ESE

0.8 kts

Slack

3:06 PM

Flood

6:28 PM

W

1.0 kts

Slack

8:56 PM

Sunday - July 26, 2026

🌊 Currents

Ebb

1:34 AM

ESE

1.1 kts

Slack

4:03 AM

Flood

7:04 AM

W

1.1 kts

Slack

9:34 AM

Ebb

1:32 PM

ESE

0.9 kts

Slack

3:56 PM

Flood

7:11 PM

W

1.0 kts

Slack

9:45 PM

Monday - July 27, 2026

🌊 Currents

Ebb

2:14 AM

ESE

1.1 kts

Slack

4:48 AM

Flood

7:48 AM

W

1.1 kts

Slack

10:25 AM

Ebb

2:06 PM

ESE

0.9 kts

Slack

4:44 PM

Flood

7:51 PM

W

1.0 kts

Slack

10:33 PM

7-Day Insights

Current Extremes

Fastest Flood

Tue, Jul 21

1.1 kts at 2:12 AM

Slower than usual

Fastest Ebb

Tue, Jul 21

1.1 kts at 9:47 PM

Slower than usual

Peak Daily Currents

Fastest

Tue, Jul 21

1.1 kts max current

Slower than usual

Slowest

Fri, Jul 24

0.9 kts max current

Slower than usual