Surf Break

Lat Long: 41.15° N 71.59° W

Block Island 48 hour detailed Surf Forecast

Issued: 7 am 08 Oct 2026 (local time)

Forecast update in  hr  min

Today's Block Island sea temperature is
17.3°C
0.7° 

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 (08 Oct):

  • Morning surf: Morning surf (08 Oct, local time) - 4.5ft (1.4m), 6s period with SW swell.
  • Afternoon surf: Afternoon surf (08 Oct, local time) - 4.5ft (1.4m), 6s period with SW swell.
  • Evening surf: Evening surf (08 Oct, local time) - 4.5ft (1.3m), 6s period with SW swell.

The current surf forecast for Block Island at 12PM is: 1.4m 6s primary swell from a Southwest direction and 0.1m 9s secondary swell from a Southeast direction, 0.1m 8s secondary swell from a East direction (forecast issued at 07:00am October 08). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (08 Oct)4.5ft (1.4m)6s
Afternoon (08 Oct)4.5ft (1.4m)6s
Evening (08 Oct)4.5ft (1.3m)6s

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


Short Range Forecast

Mostly dry. Warm (max 21°C on Thu afternoon, min 14°C on Sat morning). Winds decreasing (fresh winds from the WSW on Thu morning, calm by Sat night).

Thursday
8
Friday
9
Saturday
10
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
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
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
SW
5
1.3
SW
6
1.5
SW
6
1.4
SW
6
1.3
SW
6
1.1
SW
6
0.9
SW
6
0.8
SW
6
0.7
SW
6
0.7
SW
5
0.8
WSW
5
0.8
WSW
4
0.3
SE
8
0.6
SW
4
0.5
SW
5
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
7
Wave Graph
Metric surfscale
Energy kJ
100
107
136
141
132
93
49
39
31
27
28
18
11
16
10
10
10
10
10
23
21
20
18
Wind (km/h)
35
SW
35
SW
35
WSW
30
WSW
25
WSW
20
NW
15
NW
10
WNW
15
W
25
W
25
W
30
W
25
W
25
NW
20
NNW
15
NW
15
NW
15
NW
10
NW
10
WSW
10
WSW
5
W
5
SW
Wind State
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
glassy
cross
High Tide
6:41AM1.01m
7:01PM0.92m
7:27AM1.06m
7:45PM0.91m
8:09AM1.08m
8:27PM0.89m
Low Tide
1:03PM0.01m
1:18AM-0.01m
1:49PM-0.01m
1:51AM-0.00m
2:31PM-0.01m
clear
clear
clear
clear
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>
6:48
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6:50
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6:52
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
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6:16
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6:15
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6:14
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 mm
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Temp °C
17
17
18
18
21
20
18
16
16
16
17
18
19
17
16
15
15
14
14
16
17
17
17
Feels °C
12
11
13
13
16
15
14
13
12
11
12
12
13
11
11
11
11
10
12
13
14
15
15
  • 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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