Surf Break

Lat Long: 41.15° N 71.59° W

Block Island 48 hour detailed Surf Forecast

Issued: 7 pm 30 Oct 2026 (local time)

Forecast update in  hr  min

Today's Block Island sea temperature is
15.3°C
1.1° 

Block Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Block Island today (30 Oct):

  • Afternoon surf: Afternoon surf (30 Oct, local time) - 2.5ft (0.8m), 5s period with WSW swell.
  • Evening surf: Evening surf (30 Oct, local time) - 1.5ft (0.4m), 8s period with SE swell.

The current surf forecast for Block Island at 10PM is: 0.4m 8s primary swell from a Southeast direction and 0.3m 5s secondary swell from a Southwest direction (forecast issued at 07:00pm October 30). An open ocean swell of 1.3m 5s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (30 Oct)--
Afternoon (30 Oct)2.5ft (0.8m)5s
Evening (30 Oct)1.5ft (0.4m)8s

Table - waves today at Block Island. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 14°C on Mon afternoon, min 6°C on Sat morning). Winds decreasing (strong winds from the NNW on Fri night, light winds from the NNW by Sun morning).

Fri
30
Saturday
31
Sunday
1
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.5
SE
8
0.5
SE
8
0.5
SE
8
0.5
SE
8
0.5
SE
9
0.4
SE
9
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
Wave Graph
Metric surfscale
Energy kJ
18
16
16
17
17
23
30
32
33
35
37
26
25
24
24
24
24
17
17
Wind (km/h)
45
NW
40
NNW
30
NNW
30
NNW
30
NNW
30
NNW
25
N
10
NNW
10
NW
15
NNW
15
NNW
15
NNW
10
N
10
NNW
10
WNW
15
W
20
W
25
W
20
W
Wind State
off
off
off
off
off
off
off
off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
00:04AM0.78m
12:30PM0.96m
1:13AM0.77m
1:39PM0.89m
Low Tide
6:30PM0.06m
5:37AM0.06m
7:43PM0.08m
7:08AM0.12m
8:50PM0.08m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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7:15
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6:16
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
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5:43
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4:42
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 mm
—
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Temp °C
16
11
11
10
8
6
7
10
12
12
10
9
8
8
8
10
12
12
12
Feels °C
7
2
3
3
1
-2
0
6
8
7
5
4
4
4
4
5
7
6
7
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Block Island surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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