Surf Break

Lat Long: 41.15° N 71.59° W

Block Island 48 hour detailed Surf Forecast

Issued: 7 pm 28 Oct 2026 (local time)

Forecast update in  hr  min

Today's Block Island sea temperature is
15.4°C
1.0° 

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 (29 Oct):

  • Morning surf: Morning surf (29 Oct, local time) - 1.5ft (0.4m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (29 Oct, local time) - 1.5ft (0.4m), 8s period with SE swell.
  • Evening surf: Evening surf (29 Oct, local time) - 2.5ft (0.8m), 4s period with SW swell.

The current surf forecast for Block Island at 1AM is: 0.4m 8s primary swell from a East-southeast direction and 0.1m 7s secondary swell from a South direction (forecast issued at 07:00pm October 28). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (29 Oct)1.5ft (0.4m)8s
Afternoon (29 Oct)1.5ft (0.4m)8s
Evening (29 Oct)2.5ft (0.8m)4s

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


Short Range Forecast

Mostly dry. Very mild (max 19°C on Fri afternoon, min 6°C on Sat morning). Winds decreasing (strong winds from the NW on Fri afternoon, light winds from the N by Sat afternoon).

Wed
28
Thursday
29
Friday
30
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
ESE
8
0.4
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
0.8
SW
4
1
SW
4
1.2
SW
5
1.3
SW
5
1.2
SW
5
1.1
SW
5
1.1
SW
5
0.8
SW
5
0.4
SSE
8
0.4
SSE
8
Wave Graph
Metric surfscale
Energy kJ
45
26
31
23
23
15
14
14
14
17
34
63
84
79
64
67
34
25
25
Wind (km/h)
15
SSW
15
SW
15
SSW
20
SW
20
SW
20
SW
20
SW
25
SW
30
SW
30
SW
30
SW
35
SW
30
WSW
30
WSW
25
W
20
W
45
NW
40
NNW
30
NW
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross
cross-on
cross
cross
cross
cross
cross-off
cross-off
off
off
off
High Tide
10:09PM0.85m
10:31AM1.09m
11:03PM0.82m
11:27AM1.03m
Low Tide
4:17PM-0.02m
3:42AM-0.05m
5:18PM0.02m
4:34AM0.00m
6:30PM0.06m
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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7:13
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7:13
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:46
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5:45
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5:45
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 mm
—
—
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—
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—
—
—
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—
—
—
—
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Temp °C
11
12
12
13
13
14
14
15
15
15
15
16
16
15
16
19
13
9
9
Feels °C
8
9
8
9
9
10
10
10
10
10
10
11
11
10
12
15
3
0
2
  • 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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