Block Island Surf Break

Lat Long: 41.15° N 71.59° W

Issued: 7 am 30 Jun 2026 (local time)

Forecast update in  hr  min

Today's Block Island sea temperature is
17.6° C

1.4°C colder than average for this time of year

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 (30 Jun):

  • Morning surf: Morning surf (30 Jun, local time) - 1.5ft (0.4m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (30 Jun, local time) - 2ft (0.6m), 6s period with SSW swell.
  • Evening surf: Evening surf (30 Jun, local time) - 1.5ft (0.5m), 9s period with SE swell.

The current surf forecast for Block Island at 2PM is: 0.4m 8s primary swell from a Southeast direction and 0.2m 10s secondary swell from a East-southeast direction, 0.6m 6s secondary swell from a South-southwest direction (forecast issued at 07:00am June 30). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (30 Jun)1.5ft (0.4m)8s
Afternoon (30 Jun)2ft (0.6m)6s
Evening (30 Jun)1.5ft (0.5m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Wed night. Warm (max 30°C on Thu night, min 21°C on Tue night). Winds increasing (light winds from the SW on Tue morning, strong winds from the SW by Wed afternoon).

Tuesday
30
Wednesday
1
Thursday
2
Fri
3
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
2 AM
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SE
9
0.4
SE
9
0.4
SE
8
0.6
SSW
6
0.5
SE
8
0.5
SE
9
0.5
SE
9
1.2
SW
5
1.4
SW
5
1.3
SW
6
1.6
SW
6
1.6
SW
6
1.8
SW
6
1.9
SW
6
2.1
SW
7
2.1
SW
7
2.2
SW
7
1.9
SW
7
1.6
SW
7
1.4
SW
6
1.4
SW
6
1.5
SW
6
1.4
SW
6
1.2
SSW
6
Wave Graph
Metric surfscale
Energy kJ
49
26
25
25
35
39
39
67
114
111
149
169
248
287
374
410
449
331
230
157
147
148
122
93
Wind (km/h)
10
SW
15
SW
15
SSW
25
SSW
30
SSW
20
SW
25
SSW
35
SW
35
SW
40
SW
30
SW
35
SW
40
SW
35
SW
35
SW
35
SW
30
WSW
30
SW
25
WSW
30
SW
35
SW
30
SW
25
WSW
15
W
Wind State
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross
cross-off
High Tide
9:05AM0.73m
9:19PM0.92m
9:43AM0.74m
9:50PM0.91m
10:19AM0.75m
10:21PM0.89m
Low Tide
3:13AM0.09m
2:30PM0.12m
3:49AM0.08m
3:09PM0.13m
4:21AM0.07m
3:48PM0.15m
clear
clear
clear
clear
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
rain showers
rain showers
clear
clear
clear
clear
clear
rain showers
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:16
5:16
5:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:22
8:22
8:22
 mm
1
2
1
Temp °C
22
22
23
23
23
22
22
21
21
21
22
22
22
22
21
21
21
22
25
28
27
25
29
30
Feels °C
23
22
22
20
19
20
19
17
17
16
18
18
18
18
17
17
19
20
24
26
25
23
28
31
Swell 1
Height (m)
Direction
Period (s)
0.6
SE
9
0.4
SE
9
0.4
SE
8
0.4
SE
8
0.5
SE
8
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
10
0.4
SE
10
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
1.2
SSW
6
Energy kJ
49
26
25
25
35
39
39
36
25
25
25
23
23
23
22
22
22
22
22
21
21
21
21
93
Swell 2
Height (m)
Direction
Period (s)
0.4
SSW
6
0.4
SSW
6
0.3
SSW
6
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.1
SE
11
0.1
E
11
0.4
SE
9
Energy kJ
12
12
7
10
10
10
5
2
21
Swell 3
Height (m)
Direction
Period (s)
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
Energy kJ
10
10
10
Wind waves
Height (m)
Direction
Period (s)
0.2
WSW
2
0.6
SSW
6
0.7
SW
4
0.9
SW
4
0.9
SSW
4
1.2
SW
5
1.4
SW
5
1.3
SW
6
1.6
SW
6
1.6
SW
6
1.8
SW
6
1.9
SW
6
2.1
SW
7
2.1
SW
7
2.2
SW
7
1.9
SW
7
1.6
SW
7
1.4
SW
6
1.4
SW
6
1.5
SW
6
1.4
SW
6
Energy kJ
1
22
14
26
35
67
114
111
149
169
248
287
374
410
449
331
230
157
147
148
122
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
Distance (km)
24
24
221
767
767
642
195
608
249
195
249
204
195
24
249
204
24
201
178
844
1095
29
24
24
Best forecast wave conditions in Rhode Island
Rating
(10 max)
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
2
2
3
1
2
1
2
2
3
2
1
1
2
2
2
2
2
2
2
2
2
2
2
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
5
5
5
4
5
5
8
5
7
6
6
5
7
8
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 

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