Surf Break

Lat Long: 41.15° N 71.59° W

Block Island 48 hour detailed Surf Forecast

Issued: 1 am 05 Oct 2026 (local time)

Forecast update in  hr  min

Today's Block Island sea temperature is
17.8°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 (05 Oct):

  • Morning surf: Morning surf (05 Oct, local time) - 3ft (0.9m), 7s period with ESE swell.
  • Afternoon surf: Afternoon surf (05 Oct, local time) - 2.5ft (0.7m), 8s period with ESE swell.
  • Evening surf: Evening surf (05 Oct, local time) - 2ft (0.6m), 8s period with E swell.

The current surf forecast for Block Island at 6AM is: 1.0m 7s primary swell from a East-southeast direction (forecast issued at 01:00am October 05). The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (05 Oct)3ft (0.9m)7s
Afternoon (05 Oct)2.5ft (0.7m)8s
Evening (05 Oct)2ft (0.6m)8s

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


Short Range Forecast

Mostly dry. Very mild (max 19°C on Mon afternoon, min 8°C on Tue morning). Winds increasing (light winds from the WSW on Wed morning, strong winds from the SW by Wed night).

Monday
5
Tuesday
6
Wednesday
7
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
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
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
E
7
1
ESE
7
1
ESE
7
0.9
ESE
8
0.8
ESE
8
0.7
E
8
0.6
E
8
0.5
E
8
0.4
E
8
0.4
E
8
0.4
E
8
0.3
E
8
0.3
E
8
0.3
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.4
SW
3
0.8
SW
4
1.1
SW
5
1.4
SW
5
Wave Graph
Metric surfscale
Energy kJ
89
111
114
94
77
57
43
30
19
19
19
10
10
10
5
4
5
5
5
5
3
17
54
107
Wind (km/h)
15
N
15
NNW
20
WNW
30
W
30
WNW
35
NW
35
NW
35
NW
35
WNW
35
NW
40
NW
30
NW
30
WNW
30
NW
25
NW
25
NW
15
NNW
15
NW
5
WSW
20
SW
25
SW
30
SW
35
SW
40
SW
Wind State
cross-off
off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
3:49AM0.78m
4:20PM0.91m
4:55AM0.86m
5:21PM0.91m
5:51AM0.94m
6:14PM0.92m
Low Tide
10:08AM0.13m
11:10PM0.07m
11:17AM0.09m
11:57PM0.03m
12:13PM0.04m
rain showers
clear
clear
clear
part cloud
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>
—
6:46
—
—
—
—
—
—
—
6:47
—
—
—
—
—
—
—
6:48
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:22
—
—
—
—
—
—
—
6:20
—
—
—
—
—
—
—
6:19
—
—
 mm
1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
15
14
14
16
19
18
16
14
12
10
8
9
13
15
14
13
11
11
11
14
15
16
16
17
Feels °C
13
12
10
11
14
10
8
6
4
2
-1
1
5
7
7
7
6
6
8
9
9
9
9
10
  • 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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