Block Island
Charts
16-Day Marine Weather Forecast Print

Sunday 9/20

Morning

Breezy SE winds with moderate choppy seas. Small short period waves.

Winds: SE 11 knots.

Seas: ESE 2 feet at 7 seconds.

Afternoon

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

Winds: SSE 15 to 20 knots.

Seas: SE 3 feet at 4 seconds.

Monday 9/21

Morning

Strong NNE winds with very choppy seas. Small Craft Advisory. Moderate very short period waves.

Winds: NNE 21 to 23 knots.

Seas: ESE 3 feet at 4 seconds.

Afternoon

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

Winds: NE 19 to 20 knots.

Seas: E 4 feet at 5 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
Sunday 9/20
12am
11
11

ESE
2
3

ESE
8
3am
9
9

SE
2
3

ESE
7
6am
11
11

SE
2
3

ESE
7
9am
14
15

SE
2
3

ESE
7
12pm
14
17

SSE
3
3

SE
4
3pm
14
18

S
3
4

SE
4
6pm
15
20

SSE
3
4

SE
4
9pm
11
16

S
3
4

SE
4
Monday 9/21
12am
10
14

SW
3
3

SE
4
3am
5
11

NNW
3
3

SE
6
6am
21
23

NNE
3
4

ESE
4
9am
21
24

NNE
4
5

ENE
4
12pm
20
22

NE
4
5

ENE
5
3pm
19
21

NE
4
5

ENE
5
6pm
19
20

NE
4
5

E
5
9pm
19
22

ENE
4
5

E
5

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

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

Sunday 9/20
12am
NIGHT_CLOUDY
0
63
1022
3am
NIGHT_OVERCAST
0
63
1021
6am
NIGHT_OVERCAST
0
64
1020
9am
OVERCAST
0
66
1019
12pm
OVERCAST
0
68
1018
3pm
LIGHT_RAIN
0
68
1016
6pm
LIGHT_SHOWERS
0
68
1015
-
9pm
NIGHT_LIGHT_RAIN
0
68
1015
  • Sunrise: 6:31AM
  • Sunset: 6:50PM
  • Moonrise: 3:48PM
  • Moonset: 12:00AM
  • 62% Waxing Gibbouswaxing gibbous
Monday 9/21
12am
NIGHT_LIGHT_RAIN
0
67
1014
-
3am
NIGHT_RAIN_AND_FOG
0.2
68
1014
6am
NIGHT_OVERCAST
0
62
1015
9am
LIGHT_SHOWERS
0
61
1018
12pm
CLEAR
0
62
1019
-
3pm
CLEAR
0
64
1019
6pm
CLEAR
0
64
1020
9pm
NIGHT_CLEAR
0
64
1022
-
  • Sunrise: 6:32AM
  • Sunset: 6:49PM
  • Moonrise: 4:21PM
  • Moonset: 1:01AM
  • 71% Waxing Gibbouswaxing gibbous

Swell - Model Run: 19th Sep, 08:00:PM EDT / Last Updated: 20th Sep, 05:10:AM EDTWeather - Model Run: 19th Sep, 08:00:PM EDT / Last Updated: 20th Sep, 02:21:AM 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.