Block Island
16-Day Marine Weather Forecast Print

Tuesday 7/21

Morning

Breezy S winds with moderate choppy seas. Moderate short period waves.

Winds: S 12 to 16 knots.

Seas: S 3 feet at 7 seconds.

Afternoon

Moderate to strong SSW winds with choppy seas. Moderate very short period waves.

Winds: SSW 14 to 27 knots.

Seas: S 5 feet at 6 seconds.

Wednesday 7/22

Morning

Strong SW winds. Small Craft Advisory. Hazardous Seas Warning. Large short period waves.

Winds: SW 19 to 28 knots.

Seas: S 8 feet at 8 seconds.

Afternoon

Moderate to strong SW winds with choppy seas. Large short period waves.

Winds: SW 16 to 26 knots.

Seas: S 7 feet at 9 seconds.

Want to see 14 more days of marine forecasts?

Premium Members receive 16-day marine forecasts.

16-Day Wind, Waves & Tide Print
Wind
Avg. (kts)
Gust (kts)
Direction
Waves
Avg. (ft)
Peak (ft)
Direction
Per. (sec)
Weather
Precip. (in)
Temp (f)
Pressure (mb)

Tides

4ft
2ft
Sea Level
-2ft
-4ft
Tuesday 7/21
12am
11
15

SSE
3
4

SSW
7
3am
11
15

S
3
4

S
7
6am
12
16

S
3
4

S
7
9am
16
22

SSE
4
5

S
8
12pm
15
25

SSE
4
5

S
7
3pm
20
33

SSE
5
6

S
6
6pm
14
27

SSW
5
7

S
6
9pm
22
37

SSW
6
8

SSW
7
Wednesday 7/22
12am
23
37

S
8
10

SSW
7
3am
22
31

SW
9
11

SSW
8
6am
19
28

SW
8
10

S
8
9am
23
33

SW
8
10

SSW
8
12pm
18
27

SW
8
10

S
8
3pm
17
25

SW
8
10

S
9
6pm
16
26

SW
7
9

S
9
9pm
8
9

SW
7
9

S
9

Want to see 14 more days of wind, wave and tides?

Premium Members receive 16-day wind, wave, and tide forecasts.

Tuesday 7/21
12am
NIGHT_CLEAR
0
70
1016
3am
NIGHT_CLEAR
0
70
1015
-
6am
CLEAR
0
70
1015
9am
CLEAR
0
71
1014
12pm
CLEAR
0
71
1013
3pm
RAIN
0.1
71
1011
6pm
LIGHT_SHOWERS
0.1
71
1008
9pm
NIGHT_LIGHT_RAIN
0.1
73
1007
  • Sunrise: 5:31AM
  • Sunset: 8:15PM
  • Moonrise: 1:37PM
  • Moonset: 11:31PM
  • 47% First Quarterfirst quarter
Wednesday 7/22
12am
NIGHT_LIGHT_SHOWERS
0
72
1005
3am
NIGHT_CLEAR
0
72
1004
6am
CLEAR
0
71
1005
9am
CLEAR
0
71
1007
12pm
CLEAR
0
72
1008
3pm
CLEAR
0
72
1009
-
6pm
CLEAR
0
73
1009
9pm
NIGHT_CLEAR
0
73
1012
-
  • Sunrise: 5:32AM
  • Sunset: 8:14PM
  • Moonrise: 2:42PM
  • Moonset: 11:56PM
  • 57% First Quarterfirst quarter

Swell - Model Run: 21st Jul, 08:00:AM EDT / Last Updated: 21st Jul, 04:26:PM EDTWeather - Model Run: 21st Jul, 08:00:AM EDT / Last Updated: 21st Jul, 01:58:PM EDT

WARNING: Buoyweather services are not intended for use as safety assessment tool or for making decisions that involve the safety of people or property. Use of Buoyweather for such purposes or similar uses is not recommended by Buoyweather and done at the sole risk of the user. Before heading out on the water, and while out, we strongly recommend monitoring safety alert services, so that you can stay up to date on time sensitive weather and safety information.