Surf Break

Lat Long: 41.15° N 71.59° W

Block Island 48 hour detailed Surf Forecast

Issued: 1 pm 27 Oct 2026 (local time)

Forecast update in  hr  min

Today's Block Island sea temperature is
15.2°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 (27 Oct):

  • Morning surf: Morning surf (27 Oct, local time) - 1.5ft (0.4m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (27 Oct, local time) - 2ft (0.6m), 10s period with SE swell.
  • Evening surf: Evening surf (27 Oct, local time) - 2ft (0.6m), 9s period with SE swell.

The current surf forecast for Block Island at 5PM is: 0.6m 10s primary swell from a Southeast direction and 0.6m 5s secondary swell from a East-northeast direction (forecast issued at 01:00pm October 27). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (27 Oct)1.5ft (0.4m)8s
Afternoon (27 Oct)2ft (0.6m)10s
Evening (27 Oct)2ft (0.6m)9s

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


Short Range Forecast

Mostly dry. Very mild (max 16°C on Thu night, min 10°C on Tue night). Winds increasing (light winds from the SE on Tue afternoon, fresh winds from the SW by Thu night).

Tue
27
Wednesday
28
Thursday
29
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SE
10
0.6
SE
10
0.6
SE
10
0.6
SE
9
0.6
SE
9
0.6
SE
9
0.6
ESE
9
0.6
ESE
8
0.6
ESE
8
0.6
ESE
8
0.6
ESE
8
0.6
ESE
8
0.5
SE
8
0.4
ESE
8
0.4
ESE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
7
0.7
SW
4
0.9
SW
4
Wave Graph
Metric surfscale
Energy kJ
28
79
76
68
64
62
50
48
47
45
45
44
31
23
23
15
14
14
14
13
29
Wind (km/h)
25
NNE
10
NE
5
SE
5
SE
10
ESE
10
SSE
10
SE
10
SE
10
SSE
15
S
15
SSW
15
SSW
20
SSW
20
SW
20
SW
20
SW
20
SW
25
SW
30
SW
30
SW
35
SW
Wind State
cross-off
cross-off
on
on
cross-on
on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross
cross
High Tide
8:53AM1.13m
9:20PM0.88m
9:40AM1.13m
10:09PM0.85m
10:31AM1.09m
Low Tide
3:26PM-0.05m
2:55AM-0.08m
4:17PM-0.02m
3:42AM-0.05m
5:18PM0.02m
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
—
7:11
—
—
—
—
—
—
—
7:13
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
5:47
—
—
—
—
—
—
—
5:46
—
—
—
—
—
—
—
5:45
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
9
11
11
11
10
10
10
10
10
11
11
12
12
13
13
14
14
15
15
15
15
Feels °C
3
8
8
8
7
7
7
7
7
7
7
8
7
9
9
11
10
11
10
11
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.


Nearest locationNearest