Surf Break

Lat Long: 41.15° N 71.59° W

Block Island 48 hour detailed Surf Forecast

Issued: 7 am 23 Oct 2026 (local time)

Forecast update in  hr  min

Today's Block Island sea temperature is
16.0°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 (23 Oct):

  • Morning surf: Morning surf (23 Oct, local time) - 2.5ft (0.7m), 10s period with E swell.
  • Afternoon surf: Afternoon surf (23 Oct, local time) - 2.5ft (0.8m), 11s period with E swell.
  • Evening surf: Evening surf (23 Oct, local time) - 2.5ft (0.8m), 12s period with E swell.

The current surf forecast for Block Island at 3PM is: 0.8m 11s primary swell from a East direction (forecast issued at 07:00am October 23). An open ocean swell of 1.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (23 Oct)2.5ft (0.7m)10s
Afternoon (23 Oct)2.5ft (0.8m)11s
Evening (23 Oct)2.5ft (0.8m)12s

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


Short Range Forecast

Mostly dry. Very mild (max 13°C on Sat night, min 8°C on Sat morning). Winds decreasing (fresh winds from the NNE on Fri morning, calm by Sun morning).

Friday
23
Saturday
24
Sunday
25
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
1
2
1
0
0
0
0
2
2
2
2
1
1
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)
0.8
E
9
0.8
E
10
0.7
E
10
0.8
E
10
0.8
E
12
0.8
E
12
0.8
E
12
0.7
E
12
0.9
E
11
0.8
E
11
0.7
E
12
0.8
E
12
0.8
E
12
0.8
ESE
12
0.8
ESE
12
0.8
ESE
13
0.8
ESE
13
0.8
ESE
13
0.7
ESE
12
0.7
ESE
12
0.6
E
12
0.6
E
12
0.6
ESE
12
Wave Graph
Metric surfscale
Energy kJ
110
117
94
133
174
177
174
132
203
155
129
177
180
195
205
215
218
215
160
155
106
103
109
Wind (km/h)
35
NNE
30
NNE
30
NNE
25
NNE
20
NE
20
ENE
15
NE
15
NNE
10
N
10
NNW
10
WNW
15
W
20
W
15
W
10
WNW
10
NW
10
NW
10
NW
5
NNW
5
SW
10
SW
10
SW
10
WSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
glassy
glassy
cross
cross
cross
High Tide
6:16AM0.92m
6:26PM0.84m
6:51AM1.00m
7:07PM0.87m
7:29AM1.06m
7:50PM0.90m
Low Tide
12:38PM0.07m
00:23AM0.00m
1:17PM0.01m
00:56AM-0.04m
1:57PM-0.04m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:05
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7:07
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7:07
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
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5:53
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—
—
—
—
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5:52
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—
—
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5:51
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 mm
—
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—
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—
—
—
—
—
—
—
—
—
—
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Temp °C
10
9
9
11
12
10
10
9
9
8
8
10
12
12
13
12
11
11
11
12
12
12
12
Feels °C
2
1
1
4
6
4
5
5
5
4
5
6
7
8
10
8
8
7
8
9
9
9
9
  • 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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