›

Flat Island

Flat Island Tides

A marine warning is in force for this area. The tide is 4.2' and rising: next high 9.2' at 7:37 AM. Tide predictions are astronomical, so the weather in that warning can raise or lower the actual level.

Last Tide - Low

3.9'

1:18 AM

ADT

52 minutes ago

Next Tide - High

9.2'

7:37 AM

ADT

5 hours, 26 minutes from now

Download the free app. It's faster 🙂

☀️

Sunrise

6:38 AM

ADT

4 hours, 27 minutes from now

🌓

Moonrise

6:03 PM

ADT

First Quarter · 83%

15 hours, 52 minutes from now

Today

🌊 Tides

Low

1:18 AM

3.9'

High

7:37 AM

9.2'

Low

1:11 PM

4.8'

High

7:46 PM

10.5'

🌤️ Marine Weather

☀️ Sun

Rise

6:38 AM

Set

8:14 PM

🌓 Moon

Set

1:34 AM

78%

Rise

6:03 PM

83%

Download the free app. It's faster 🙂

Tomorrow

🌊 Tides

Low

2:12 AM

3.7'

High

8:31 AM

9.3'

Low

2:05 PM

4.5'

High

8:38 PM

10.6'

🌤️ Marine Weather

☀️ Sun

Rise

6:39 AM

Set

8:12 PM

🌔 Moon

Set

2:35 AM

85%

Rise

6:40 PM

90%

Tuesday - August 25, 2026

🌊 Tides

Low

2:58 AM

3.3'

High

9:18 AM

9.5'

Low

2:53 PM

4.0'

High

9:26 PM

10.7'

🌤️ Marine Weather

☀️ Sun

Rise

6:40 AM

Set

8:11 PM

🌔 Moon

Set

3:40 AM

92%

Rise

7:09 PM

95%

Wednesday - August 26, 2026

🌊 Tides

Low

3:38 AM

3.0'

High

10:00 AM

9.8'

Low

3:37 PM

3.5'

High

10:09 PM

10.9'

🌤️ Marine Weather

☀️ Sun

Rise

6:41 AM

Set

8:09 PM

🌔 Moon

Set

4:47 AM

97%

Rise

7:34 PM

98%

Thursday - August 27, 2026

🌊 Tides

Low

4:14 AM

2.6'

High

10:39 AM

10.1'

Low

4:19 PM

2.9'

High

10:50 PM

11.0'

🌤️ Marine Weather

☀️ Sun

Rise

6:42 AM

Set

8:07 PM

🌔 Moon

Set

5:55 AM

99%

Rise

7:56 PM

100%

Friday - August 28, 2026

🌊 Tides

Low

4:49 AM

2.2'

High

11:16 AM

10.5'

Low

4:59 PM

2.4'

High

11:31 PM

11.2'

🌤️ Marine Weather

☀️ Sun

Rise

6:43 AM

Set

8:06 PM

🌕 Moon

Set

7:04 AM

100%

Rise

8:16 PM

99%

Saturday - August 29, 2026

🌊 Tides

Low

5:25 AM

1.9'

High

11:54 AM

11.0'

Low

5:41 PM

2.0'

🌤️ Marine Weather

☀️ Sun

Rise

6:44 AM

Set

8:04 PM

🌕 Moon

Set

8:12 AM

98%

Rise

8:35 PM

96%

7-Day Insights

Tidal Extremes

Highest Tide

Fri, Aug 28

11.2' at 11:31 PM

Typical

Lowest Tide

Sat, Aug 29

1.9' at 5:25 AM

Lower than usual

Download the free app. It's faster 🙂

The same tide and current predictions, on your phone.

Biggest Tidal Ranges

Largest

Sat, Aug 29

9.0' tidal range

Typical

Smallest

Sun, Aug 23

6.6' tidal range

Smaller than usual