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Plum Island, Merrimack River Entrance

Plum Island, Merrimack River Entrance Tides

Marine warnings are in force for this area. The tide is 3.2' and falling: next low 0.0' at 4:05 AM. Tide predictions are astronomical, so the weather in those warnings can raise or lower the actual level.

Last Tide - High

8.7'

9:46 PM

EDT

3 hours, 41 minutes ago

Next Tide - Low

0.0'

4:05 AM

EDT

2 hours, 37 minutes from now

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☀️

Sunrise

6:48 AM

EDT

5 hours, 21 minutes from now

🌘

Moonrise

4:30 AM

EDT

Waning Crescent · 6%

3 hours, 3 minutes from now

Today

🌊 Tides

Low

4:05 AM

0.0'

High

10:16 AM

8.5'

Low

4:29 PM

0.1'

High

10:39 PM

8.7'

☀️ 6:48 AM ↑☀️ 6:12 PM ↓8.7'4.3'0.0'1236912369124:0510:164:2910:39

🌤️ Marine Weather

☀️ Sun

Rise

6:48 AM

Set

6:12 PM

🌘 Moon

Rise

4:30 AM

6%

Set

5:08 PM

4%

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Tomorrow

🌊 Tides

Low

4:53 AM

0.0'

High

11:03 AM

8.8'

Low

5:19 PM

-0.2'

High

11:28 PM

8.6'

☀️ 6:49 AM ↑☀️ 6:10 PM ↓8.8'4.3'-0.2'1236912369124:5311:035:1911:28

🌤️ Marine Weather

☀️ Sun

Rise

6:49 AM

Set

6:10 PM

🌘 Moon

Rise

5:41 AM

2%

Set

5:28 PM

1%

Saturday - October 10, 2026

🌊 Tides

Low

5:38 AM

0.1'

High

11:47 AM

9.0'

Low

6:05 PM

-0.3'

☀️ 6:50 AM ↑☀️ 6:08 PM ↓9.0'4.4'-0.3'1236912369125:3811:476:05

🌤️ Marine Weather

☀️ Sun

Rise

6:50 AM

Set

6:08 PM

🌘 Moon

Rise

6:50 AM

0%

Set

5:50 PM

0%

Sunday - October 11, 2026

🌊 Tides

High

12:13 AM

8.5'

Low

6:19 AM

0.2'

High

12:29 PM

9.0'

Low

6:48 PM

-0.3'

☀️ 6:52 AM ↑☀️ 6:07 PM ↓9.0'4.4'-0.3'12369123691212:136:1912:296:48

🌤️ Marine Weather

☀️ Sun

Rise

6:52 AM

Set

6:07 PM

🌑 Moon

Rise

7:59 AM

1%

Set

6:13 PM

2%

Monday - October 12, 2026

🌊 Tides

High

12:56 AM

8.3'

Low

6:59 AM

0.5'

High

1:08 PM

9.0'

Low

7:30 PM

-0.2'

☀️ 6:53 AM ↑☀️ 6:05 PM ↓9.0'4.4'-0.2'12369123691212:566:591:087:30

🌤️ Marine Weather

☀️ Sun

Rise

6:53 AM

Set

6:05 PM

🌑 Moon

Rise

9:07 AM

4%

Set

6:40 PM

6%

Tuesday - October 13, 2026

🌊 Tides

High

1:37 AM

8.0'

Low

7:39 AM

0.7'

High

1:48 PM

8.8'

Low

8:11 PM

0.0'

☀️ 6:54 AM ↑☀️ 6:03 PM ↓8.8'4.4'0.0'1236912369121:377:391:488:11

🌤️ Marine Weather

☀️ Sun

Rise

6:54 AM

Set

6:03 PM

🌑 Moon

Rise

10:15 AM

9%

Set

7:13 PM

11%

Wednesday - October 14, 2026

🌊 Tides

High

2:19 AM

7.7'

Low

8:19 AM

1.0'

High

2:28 PM

8.6'

Low

8:53 PM

0.3'

☀️ 6:55 AM ↑☀️ 6:02 PM ↓8.6'4.4'0.3'1236912369122:198:192:288:53

🌤️ Marine Weather

☀️ Sun

Rise

6:55 AM

Set

6:02 PM

🌒 Moon

Rise

11:19 AM

15%

Set

7:52 PM

18%

7-Day Insights

Tidal Extremes

Highest Tide

Sun, Oct 11

9.0' at 12:29 PM

Higher than usual

Lowest Tide

Sat, Oct 10

-0.3' at 6:05 PM

Lower than usual

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Biggest Tidal Ranges

Largest

Sun, Oct 11

9.3' tidal range

Larger than usual

Smallest

Wed, Oct 14

8.3' tidal range

Typical