Surf Break

Lat Long: 41.15° N 71.59° W

Block Island 48 hour detailed Surf Forecast

Issued: 7 am 25 Oct 2026 (local time)

Forecast update in  hr  min

Today's Block Island sea temperature is
15.5°C
0.8° 

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 (25 Oct):

  • Morning surf: Morning surf (25 Oct, local time) - 2.5ft (0.7m), 12s period with ESE swell.
  • Afternoon surf: Afternoon surf (25 Oct, local time) - 2ft (0.6m), 12s period with E swell.
  • Evening surf: Evening surf (25 Oct, local time) - 1.5ft (0.5m), 12s period with E swell.

The current surf forecast for Block Island at 4PM is: 0.6m 12s primary swell from a East direction and 0.1m 8s secondary swell from a Southeast direction (forecast issued at 07:00am October 25). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (25 Oct)2.5ft (0.7m)12s
Afternoon (25 Oct)2ft (0.6m)12s
Evening (25 Oct)1.5ft (0.5m)12s

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


Short Range Forecast

Mostly dry. Very mild (max 18°C on Mon night, min 8°C on Tue morning). Winds increasing (calm on Sun morning, fresh winds from the NNE by Mon night).

Sunday
25
Monday
26
Tuesday
27
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)
1
1
1
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)
0.7
ESE
12
0.7
ESE
12
0.7
ESE
12
0.6
E
12
0.6
E
12
0.6
E
12
0.5
E
12
0.5
E
11
0.4
ESE
11
0.4
ESE
11
0.3
ESE
11
0.3
E
10
0.4
ESE
10
0.8
WSW
4
0.3
ESE
9
0.3
ESE
8
0.3
SE
11
0.4
SE
11
0.4
SE
10
0.6
SE
10
0.6
SE
10
0.6
SE
9
0.6
SE
9
Wave Graph
Metric surfscale
Energy kJ
162
160
155
106
104
103
69
64
40
39
22
19
31
21
15
14
19
30
28
61
76
68
64
Wind (km/h)
10
NW
10
NNW
5
WNW
10
WSW
15
SW
15
SW
15
WSW
20
WSW
20
W
25
W
25
W
25
WSW
25
W
20
NW
20
NW
25
NNW
30
NNE
25
NNE
25
NNE
15
NE
10
E
5
NNE
10
ENE
Wind State
off
off
glassy
cross
cross-on
cross
cross
cross
cross-off
cross-off
cross-off
cross
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-on
glassy
cross
High Tide
7:29AM1.06m
7:50PM0.90m
8:09AM1.11m
8:34PM0.90m
8:53AM1.13m
9:20PM0.88m
Low Tide
1:57PM-0.04m
1:33AM-0.07m
2:39PM-0.06m
2:12AM-0.08m
3:26PM-0.05m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:07
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7:09
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7:09
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
5:51
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—
—
—
—
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5:50
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—
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5:47
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 mm
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—
—
—
—
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—
—
—
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Temp °C
12
11
12
13
13
13
13
14
12
12
12
14
17
18
15
13
10
8
9
10
11
11
10
Feels °C
9
7
9
9
9
9
9
9
7
7
6
8
11
13
10
8
3
1
3
6
8
9
6
  • 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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