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Islesboro Harbor, NE of, Penobscot Bay

Islesboro Harbor, NE of, Penobscot Bay Currents

A marine warning is in force for this area. The current is ebbing at 0.2 kt. Next slack water at 3:24 AM. Current predictions are astronomical, so the weather in that warning can strengthen or weaken the actual flow.

Last Current - Ebb

11:57 PM

EDT

SSE

0.3 kt

2 hours, 14 minutes ago

Next Current - Slack

3:24 AM

EDT

1 hour, 12 minutes from now

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Following Current - Flood

6:29 AM

EDT

0.3 kt

4 hours, 17 minutes from now

Today

🌊 Currents

Slack

3:24 AM

Flood

6:29 AM

0.3 kt

Slack

9:14 AM

Ebb

12:25 PM

SSE

0.3 kt

Slack

3:47 PM

Flood

6:50 PM

0.3 kt

Slack

9:36 PM

🌤️ Marine Weather

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Tomorrow

🌊 Currents

Ebb

12:50 AM

SSE

0.3 kt

Slack

4:12 AM

Flood

7:18 AM

0.3 kt

Slack

10:03 AM

Ebb

1:16 PM

SSE

0.4 kt

Slack

4:38 PM

Flood

7:43 PM

0.3 kt

Slack

10:28 PM

🌤️ Marine Weather

Saturday - October 10, 2026

🌊 Currents

Ebb

1:39 AM

SSE

0.3 kt

Slack

4:57 AM

Flood

7:59 AM

0.3 kt

Slack

10:45 AM

Ebb

2:03 PM

SSE

0.4 kt

Slack

5:24 PM

Flood

8:27 PM

0.3 kt

Slack

11:16 PM

🌤️ Marine Weather

Sunday - October 11, 2026

🌊 Currents

Ebb

2:24 AM

SSE

0.3 kt

Slack

5:40 AM

Flood

8:38 AM

0.3 kt

Slack

11:24 AM

Ebb

2:46 PM

SSE

0.4 kt

Slack

6:07 PM

Flood

9:08 PM

0.3 kt

Slack

11:59 PM

🌤️ Marine Weather

Monday - October 12, 2026

🌊 Currents

Ebb

3:07 AM

SSE

0.3 kt

Slack

6:23 AM

Flood

9:17 AM

0.2 kt

Slack

12:01 PM

Ebb

3:28 PM

SSE

0.3 kt

Slack

6:50 PM

Flood

9:50 PM

0.3 kt

🌤️ Marine Weather

Tuesday - October 13, 2026

🌊 Currents

Slack

12:41 AM

Ebb

3:50 AM

SSE

0.3 kt

Slack

7:07 AM

Flood

9:59 AM

0.2 kt

Slack

12:37 PM

Ebb

4:11 PM

SSE

0.3 kt

Slack

7:36 PM

Flood

10:34 PM

0.2 kt

🌤️ Marine Weather

Wednesday - October 14, 2026

🌊 Currents

Slack

1:20 AM

Ebb

4:33 AM

SSE

0.3 kt

Slack

7:53 AM

Flood

10:45 AM

0.2 kt

Slack

1:16 PM

Ebb

4:56 PM

SSE

0.3 kt

Slack

8:29 PM

Flood

11:23 PM

0.2 kt

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Thu, Oct 8

0.3 kt at 6:29 AM

Unusually fast

Fastest Ebb

Fri, Oct 9

0.4 kt at 1:16 PM

Unusually fast

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Peak Daily Currents

Fastest

Fri, Oct 9

0.4 kt max current

Unusually fast

Slowest

Thu, Oct 8

0.3 kt max current

Slower than usual

Nautical Charts for Islesboro Harbor, NE of, Penobscot Bay

Penobscot River

Penobscot Bay and Approaches

Bay of Fundy to Cape Cod