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Cow Island, NE of

Cow Island, NE of Currents

A marine warning is in force for this area. The current is ebbing at 0.8 kt. Next slack water at 3:02 AM. Current predictions are astronomical, so the weather in that warning can strengthen or weaken the actual flow.

Last Current - Ebb

12:15 AM

EDT

1.0 kt

1 hour, 11 minutes ago

Next Current - Slack

3:02 AM

EDT

1 hour, 35 minutes from now

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Following Current - Flood

4:48 AM

EDT

0.5 kt

3 hours, 21 minutes from now

Today

🌊 Currents

Ebb

12:15 AM

1.0 kt

Slack

3:02 AM

Flood

4:48 AM

0.5 kt

Flood

8:22 AM

0.1 kt

Flood

9:30 AM

0.2 kt

Slack

10:30 AM

Ebb

12:50 PM

0.9 kt

Slack

3:50 PM

Flood

5:29 PM

0.3 kt

Slack

10:45 PM

🌤️ Marine Weather

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Tomorrow

🌊 Currents

Ebb

1:06 AM

1.0 kt

Slack

3:48 AM

Flood

5:34 AM

0.6 kt

Flood

10:13 AM

0.2 kt

Slack

11:14 AM

Ebb

1:44 PM

1.0 kt

Slack

4:39 PM

Flood

6:11 PM

0.4 kt

Slack

11:31 PM

🌤️ Marine Weather

Saturday - October 10, 2026

🌊 Currents

Ebb

1:58 AM

0.9 kt

Slack

4:32 AM

Flood

6:19 AM

0.6 kt

Slack

11:54 AM

Ebb

2:34 PM

1.0 kt

Slack

5:27 PM

Flood

7:00 PM

0.3 kt

🌤️ Marine Weather

Sunday - October 11, 2026

🌊 Currents

Slack

12:21 AM

Ebb

2:46 AM

0.9 kt

Slack

5:14 AM

Flood

7:07 AM

0.6 kt

Slack

12:24 PM

Ebb

3:18 PM

1.0 kt

Slack

6:17 PM

Flood

7:58 PM

0.3 kt

🌤️ Marine Weather

Monday - October 12, 2026

🌊 Currents

Slack

1:14 AM

Ebb

3:30 AM

0.8 kt

Slack

5:56 AM

Flood

7:56 AM

0.6 kt

Slack

11:18 AM

Ebb

3:58 PM

0.9 kt

Slack

7:07 PM

Flood

8:46 PM

0.3 kt

🌤️ Marine Weather

Tuesday - October 13, 2026

🌊 Currents

Slack

12:16 AM

Flood

1:21 AM

0.1 kt

Slack

2:08 AM

Ebb

4:14 AM

0.7 kt

Slack

6:42 AM

Flood

8:40 AM

0.5 kt

Slack

11:46 AM

Ebb

12:59 PM

0.1 kt

Ebb

4:40 PM

0.9 kt

Slack

7:55 PM

Flood

9:25 PM

0.3 kt

🌤️ Marine Weather

Wednesday - October 14, 2026

🌊 Currents

Flood

2:07 AM

0.1 kt

Slack

3:02 AM

Ebb

5:02 AM

0.6 kt

Slack

7:29 AM

Flood

9:20 AM

0.4 kt

Slack

12:23 PM

Ebb

5:26 PM

0.8 kt

Slack

8:42 PM

Flood

10:05 PM

0.2 kt

Flood

11:11 PM

0.2 kt

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Fri, Oct 9

0.6 kt at 5:34 AM

Unusually fast

Fastest Ebb

Thu, Oct 8

1.0 kt at 12:15 AM

Unusually fast

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Peak Daily Currents

Fastest

Thu, Oct 8

1.0 kt max current

Unusually fast

Slowest

Wed, Oct 14

0.8 kt max current

Slower than usual

Nautical Charts for Cow Island, NE of

Portland Harbor and Vicinity

Casco Bay

Monhegan Island to Cape Elizabeth