Block Island Surf Break
Lat Long: 41.15° N 71.59° W

Block Island 48 hour detailed Surf Forecast

Weather Forecast for Block Island

Issued: 1 pm 04 Jun 2026 (local time)

Forecast update in  hr  min

Today's Block Island sea temperature is
11.9° C

2.3°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 (04 Jun):

  • Morning surf: Morning surf (04 Jun, local time) - 0.5ft (0.2m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (04 Jun, local time) - 1ft (0.3m), 8s period with SE swell.
  • Evening surf: Evening surf (04 Jun, local time) - 1.5ft (0.5m), 9s period with SE swell.

The current surf forecast for Block Island at 6PM is: 0.3m 10s primary swell from a Southeast direction and 0.3m 7s secondary swell from a South-southeast direction, 0.6m 4s secondary swell from a Southwest direction (forecast issued at 01:00pm June 04). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (04 Jun)0.5ft (0.2m)8s
Afternoon (04 Jun)1ft (0.3m)8s
Evening (04 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

Moderate rain (total 13mm), heaviest on Sun morning. Warm (max 25°C on Fri afternoon, min 16°C on Sun morning). Winds increasing (light winds from the W on Fri morning, fresh winds from the SSW by Sat night).

Thu
4
Friday
5
Saturday
6
Sun
7
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
5 AM
8 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
Wave
Height (m)
Direction
Period (s)
0.3
SSE
7
0.3
SE
8
0.3
SE
10
0.5
SE
9
0.6
SE
9
0.7
SE
8
0.7
SE
8
0.7
SE
8
0.6
SSE
8
0.6
SSE
8
0.6
SE
8
0.8
SE
8
0.9
SE
8
0.9
SE
8
0.9
SE
8
0.8
SE
8
0.6
ESE
8
0.9
SW
5
1.1
SW
5
1.2
SW
5
1.5
SW
6
1.5
SW
6
1.6
SW
6
1.3
SSW
6
Wave Graph
Metric surfscale
Energy kJ
9
10
16
43
64
74
69
65
41
40
42
69
104
112
112
90
40
37
59
76
133
148
188
136
Wind (km/h)
20
SW
25
SSW
25
SSW
20
SW
20
SW
20
SW
15
WSW
10
W
15
WSW
25
WSW
25
SW
20
SW
20
WSW
15
SW
15
SW
20
SW
25
SW
30
SW
30
SSW
35
SSW
30
WSW
30
SW
25
SW
25
SW
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross
High Tide
11:17AM0.69m
11:20PM0.82m
11:57AM0.69m
11:58PM0.79m
12:40PM0.71m
00:42AM0.77m
Low Tide
4:40PM0.18m
5:54AM0.12m
5:29PM0.20m
6:26AM0.13m
6:26PM0.22m
7:04AM0.12m
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:13
5:13
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:14
8:15
8:15
8:15
 mm
1
4
3
5
Temp °C
20
20
17
17
17
17
17
19
23
25
25
23
22
19
21
21
21
19
19
18
18
18
19
16
Feels °C
16
15
12
12
13
13
14
17
21
21
20
19
19
17
19
18
18
15
14
12
14
15
17
13
Swell 1
Height (m)
Direction
Period (s)
0.3
SSE
7
0.3
SSE
7
0.3
SSE
7
0.5
SE
9
0.6
SE
9
0.7
SE
8
0.7
SE
8
0.7
SE
8
0.6
SSE
8
0.6
SSE
8
0.6
SE
8
0.8
SE
8
0.9
SE
8
0.9
SE
8
0.9
SE
8
0.8
SE
8
0.6
ESE
8
0.5
SE
8
0.4
SSE
8
0.4
SSE
8
0.5
SE
9
0.5
SE
9
0.5
SE
8
0.5
SE
8
Energy kJ
9
10
9
43
64
74
69
65
41
40
42
69
104
112
112
90
40
28
23
22
39
38
35
35
Swell 2
Height (m)
Direction
Period (s)
0.2
ESE
8
0.3
SE
8
0.3
SE
10
0.3
SSE
7
0.3
SSE
7
0.1
E
5
0.1
E
5
0.1
E
6
0.1
E
6
0.4
SE
9
0.4
SSE
7
0.1
E
6
0.1
E
6
0.1
E
6
0.1
SE
9
0.4
SSE
9
0.4
SSE
8
0.4
ESE
7
0.4
SE
7
0.3
SSE
8
0.1
E
8
0.6
ESE
9
0.1
E
8
Energy kJ
7
10
16
9
9
1
1
1
1
20
18
1
1
1
3
30
26
21
13
11
1
49
1
Swell 3
Height (m)
Direction
Period (s)
0.1
E
6
0.1
SE
11
0.3
SE
8
0.1
E
6
0.1
E
5
0.1
E
6
0.2
SSE
9
0.3
SE
10
0.3
SE
10
0.4
SE
10
0.4
SE
9
0.1
E
8
0.6
ESE
9
Energy kJ
1
5
9
1
1
1
8
16
16
23
22
1
49
Wind waves
Height (m)
Direction
Period (s)
0.4
SW
3
0.5
SW
3
0.6
SW
4
0.6
SW
4
0.6
SW
4
0.6
SW
4
0.6
SW
4
0.5
SW
4
0.5
SW
4
0.6
WSW
4
0.9
SW
4
0.8
SW
4
0.8
SW
4
0.8
SW
4
0.8
SW
5
0.8
SW
5
0.8
SW
5
0.9
SW
5
1.1
SW
5
1.2
SW
5
1.5
SW
6
1.5
SW
6
1.6
SW
6
1.3
SSW
6
Energy kJ
2
5
10
12
9
12
12
8
9
11
24
25
25
27
25
31
31
37
59
76
133
148
188
136
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
844
1095
1095
195
195
102
24
26
24
54
670
221
25
24
24
26
26
195
152
152
195
198
26
29
Best forecast wave conditions in Rhode Island
Rating
(10 max)
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
2
2
2
1
4
4
4
4
2
2
2
3
3
3
3
2
2
2
2
3
2
3
3
Header Global
Rating
(10 max)
5
5
5
5
5
5
9
9
9
9
8
8
8
8
9
9
9
9
9
6
6
8
8
8
  • 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
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