Block Island Surf Break

Lat Long: 41.15° N 71.59° W

Issued: 7 pm 05 Jul 2026 (local time)

Forecast update in  hr  min

Today's Block Island sea temperature is
19.4° C

Normal 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 (05 Jul):

  • Afternoon surf: Afternoon surf (05 Jul, local time) - 1.5ft (0.4m), 8s period with SE swell.
  • Evening surf: Evening surf (05 Jul, local time) - 1.5ft (0.4m), 8s period with SE swell.

The current surf forecast for Block Island at 10PM is: 0.4m 8s primary swell from a Southeast direction and 0.3m 5s secondary swell from a South-southwest direction, 0.3m 2s secondary swell from a East-southeast direction (forecast issued at 07:00pm July 05). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (05 Jul)--
Afternoon (05 Jul)1.5ft (0.4m)8s
Evening (05 Jul)1.5ft (0.4m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 67mm), heaviest during Mon afternoon. Warm (max 21°C on Sun night, min 17°C on Mon afternoon). Winds decreasing (strong winds from the E on Mon night, light winds from the SSE by Wed afternoon).

Sun
5
Monday
6
Tuesday
7
Wed
8
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
11 AM
2 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)
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
9
0.8
ESE
4
1.3
ESE
5
1.6
ESE
6
1.7
ESE
6
1.8
ESE
6
2
ESE
6
2
ESE
7
1.8
ESE
7
1.8
ESE
7
1.7
ESE
6
1.6
ESE
6
1.7
E
6
1.7
E
6
1.7
ENE
6
1.5
ENE
6
1.1
E
7
1
E
7
1
E
7
1.2
ENE
6
1
E
6
Wave Graph
Metric surfscale
Energy kJ
18
18
18
20
17
85
160
175
223
309
346
297
273
235
225
239
225
205
167
104
91
91
113
86
Wind (km/h)
15
ESE
15
ESE
15
ESE
20
ENE
35
E
40
ESE
30
ESE
40
E
45
E
45
E
50
E
40
E
30
E
25
E
30
NE
35
NE
40
ENE
35
NE
30
NE
30
NNE
30
NNE
30
NNE
20
NNE
5
SSE
Wind State
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
on
High Tide
00:15AM0.81m
12:49PM0.84m
1:03AM0.77m
1:38PM0.88m
1:59AM0.74m
Low Tide
6:04PM0.18m
6:18AM0.08m
7:02PM0.18m
7:00AM0.08m
8:12PM0.16m
7:50AM0.07m
cloud
cloud
cloud
light rain
light rain
light rain
light rain
mod rain
heavy rain
mod rain
mod rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:20
5:20
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:21
8:21
8:21
 mm
4
4
1
3
8
13
9
10
5
3
2
1
1
3
Temp °C
21
21
21
19
18
19
18
17
18
18
17
19
19
19
19
18
18
18
18
17
17
17
19
21
Feels °C
21
20
20
18
14
14
14
12
12
12
10
14
16
17
16
14
13
13
14
13
13
13
17
22
Swell 1
Height (m)
Direction
Period (s)
0.4
SSW
5
0.4
SW
5
0.4
SE
8
0.4
SE
9
0.2
SSW
5
0.2
SSW
5
0.1
SW
5
0.1
SE
10
0.2
SSW
5
0.2
SSW
5
0.2
SSW
5
0.4
SSW
5
0.3
SSW
5
0.3
S
5
0.4
S
5
1.1
E
7
1
E
7
1
E
7
0.3
SE
9
1
E
6
Energy kJ
9
6
18
20
2
2
1
4
3
3
3
9
5
5
9
104
91
91
13
86
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
8
0.4
SE
8
0.3
SSW
5
0.3
SSW
5
0.1
SW
5
0.1
SE
10
0.1
SE
10
0.1
SE
10
0.1
S
6
0.1
S
6
0.2
SSE
6
0.3
SE
9
0.3
S
5
0.3
SE
9
0.3
SE
9
0.2
SSW
6
0.3
SE
9
Energy kJ
18
18
4
4
1
4
4
4
1
1
4
14
5
13
13
3
13
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
10
0.1
S
6
0.1
S
6
0.3
SE
9
0.3
S
5
0.3
S
5
0.1
E
11
0.2
SSW
5
Energy kJ
4
1
1
14
5
5
2
3
Wind waves
Height (m)
Direction
Period (s)
0.3
ESE
2
0.3
ESE
3
0.4
ESE
3
0.8
ESE
4
1.3
ESE
5
1.6
ESE
6
1.7
ESE
6
1.8
ESE
6
2
ESE
6
2
ESE
7
1.8
ESE
7
1.8
ESE
7
1.7
ESE
6
1.6
ESE
6
1.7
E
6
1.7
E
6
1.7
ENE
6
1.5
ENE
6
0.8
NNE
4
0.8
NNE
4
0.7
NNE
4
1.2
ENE
6
Energy kJ
1
1
3
17
85
160
175
223
309
346
297
273
235
225
239
225
205
167
26
19
17
113
Nearest Offshore or Glassy
Rating
(10 max)
1
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)
1541
645
1827
1223
445
308
1067
445
228
256
339
709
846
285
608
870
693
157
157
157
24
24
24
24
Best forecast wave conditions in Rhode Island
Rating
(10 max)
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
2
1
1
1
2
3
3
3
2
1
1
2
3
3
3
3
2
2
3
2
3
3
4
Header Global
Rating
(10 max)
7
6
6
6
5
5
5
5
8
8
8
8
7
8
7
5
5
7
9
9
9
8
7
7
  • 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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