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Portland Harbor Entrance

Portland Harbor Entrance Currents

The current is ebbing at 0.8 kt. Next slack water at 3:26 AM. Slight seas, NNE wind at 7 kt with gusts to 11 kt. Fog right now.

Last Current - Ebb

11:23 PM

EDT

0.8 kt

49 minutes ago

Next Current - Slack

3:26 AM

EDT

3 hours, 13 minutes from now

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Following Current - Flood

5:14 AM

EDT

0.3 kt

5 hours, 1 minute from now

Today

🌊 Currents

Slack

3:26 AM

Flood

5:14 AM

0.3 kt

Slack

8:34 AM

Ebb

11:36 AM

0.7 kt

Slack

3:16 PM

Flood

5:23 PM

0.5 kt

Slack

8:54 PM

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Tomorrow

🌊 Currents

Ebb

12:18 AM

0.9 kt

Slack

4:20 AM

Flood

6:14 AM

0.4 kt

Slack

9:37 AM

Ebb

12:29 PM

0.7 kt

Slack

4:05 PM

Flood

6:18 PM

0.5 kt

Slack

9:45 PM

🌤️ Marine Weather

Tuesday - August 25, 2026

🌊 Currents

Ebb

1:07 AM

1.0 kt

Slack

5:06 AM

Flood

7:09 AM

0.5 kt

Slack

10:30 AM

Ebb

1:19 PM

0.8 kt

Slack

4:52 PM

Flood

7:10 PM

0.6 kt

Slack

10:27 PM

🌤️ Marine Weather

Wednesday - August 26, 2026

🌊 Currents

Ebb

1:50 AM

1.1 kt

Slack

5:44 AM

Flood

7:55 AM

0.6 kt

Slack

11:14 AM

Ebb

2:05 PM

0.9 kt

Slack

5:36 PM

Flood

7:57 PM

0.6 kt

Slack

11:05 PM

🌤️ Marine Weather

Thursday - August 27, 2026

🌊 Currents

Ebb

2:31 AM

1.2 kt

Slack

6:18 AM

Flood

8:36 AM

0.7 kt

Slack

11:52 AM

Ebb

2:49 PM

1.0 kt

Slack

6:17 PM

Flood

8:41 PM

0.7 kt

Slack

11:43 PM

🌤️ Marine Weather

Friday - August 28, 2026

🌊 Currents

Ebb

3:11 AM

1.2 kt

Slack

6:49 AM

Flood

9:14 AM

0.8 kt

Slack

12:25 PM

Ebb

3:31 PM

1.1 kt

Slack

6:56 PM

Flood

9:24 PM

0.7 kt

🌤️ Marine Weather

Saturday - August 29, 2026

🌊 Currents

Slack

12:22 AM

Ebb

3:51 AM

1.2 kt

Slack

7:20 AM

Flood

9:52 AM

0.8 kt

Slack

12:55 PM

Ebb

4:11 PM

1.2 kt

Slack

7:33 PM

Flood

10:09 PM

0.8 kt

🌤️ Marine Weather

7-Day Insights

Current Extremes

Fastest Flood

Fri, Aug 28

0.8 kt at 9:14 AM

Unusually fast

Fastest Ebb

Thu, Aug 27

1.2 kt at 2:31 AM

Faster than usual

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Peak Daily Currents

Fastest

Thu, Aug 27

1.2 kt max current

Faster than usual

Slowest

Sun, Aug 23

0.7 kt max current

Slower than usual