Block Island Surf Break

Block Island 48 hour detailed Surf Forecast

Lat Long: 41.15° N 71.59° W

Issued: 1 am 17 Jun 2026 (local time)

Forecast update in  hr  min

Today's Block Island sea temperature is
15.9° C

Slightly cooler than normal

Block Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Surf Forecasts:

How big are the waves at Block Island today (17 Jun):

  • Morning surf: Morning surf (17 Jun, local time) - 2.5ft (0.8m), 7s period with S swell.
  • Afternoon surf: Afternoon surf (17 Jun, local time) - 2.5ft (0.7m), 7s period with S swell.
  • Evening surf: Evening surf (17 Jun, local time) - 2.5ft (0.7m), 7s period with S swell.

The current surf forecast for Block Island at 5AM is: 0.7m 7s primary swell from a South direction and 0.4m 4s secondary swell from a Southwest direction (forecast issued at 01:00am June 17). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (17 Jun)2.5ft (0.8m)7s
Afternoon (17 Jun)2.5ft (0.7m)7s
Evening (17 Jun)2.5ft (0.7m)7s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Mostly dry. Warm (max 24°C on Fri night, min 18°C on Wed morning). Winds increasing (light winds from the S on Wed morning, near gales from the SSW by Thu afternoon).

Wednesday
17
Thursday
18
Friday
19
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
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
1
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)
0.7
S
7
0.7
S
7
0.8
S
7
0.7
S
7
0.7
S
7
0.7
S
7
0.7
S
7
0.9
S
7
1.1
S
7
1.2
S
7
1.5
S
6
2.1
S
6
2.4
S
7
2.5
SSW
7
2.4
SSW
7
1.8
SW
7
1.8
SSW
7
1.6
SSW
7
1.1
S
7
1.5
SSW
7
1.6
SSW
8
1.9
SSW
8
2
SSW
8
1.7
SSW
8
Wave Graph
Metric surfscale
Energy kJ
52
51
64
47
47
45
44
78
114
128
170
335
508
605
620
318
344
258
116
242
291
465
524
402
Wind (km/h)
15
SW
10
SW
5
S
10
SSW
15
SSW
20
SSW
20
SSW
20
S
25
S
25
S
30
SSE
50
S
50
SSW
45
SSW
40
SW
30
W
20
WNW
30
W
30
W
30
WSW
35
SW
45
SW
30
W
30
WNW
Wind State
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-on
cross-off
cross-off
High Tide
10:19AM0.92m
10:42PM1.07m
11:16AM0.93m
11:35PM0.99m
12:15PM0.92m
Low Tide
4:34AM-0.07m
4:11PM-0.05m
5:27AM-0.05m
5:19PM0.01m
6:21AM-0.02m
6:31PM0.07m
part cloud
cloud
part cloud
clear
clear
clear
part cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
<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>
—
—
—
—
—
—
8:21
—
—
—
—
—
—
—
8:21
—
—
—
—
—
—
—
8:21
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
18
18
18
18
19
19
19
19
19
18
18
20
21
20
21
23
22
20
18
19
20
21
24
21
Feels °C
16
17
18
16
17
16
16
15
16
14
14
13
14
15
16
19
20
16
13
14
14
14
19
16
Swell 1
Height (m)
Direction
Period (s)
0.7
S
7
0.7
S
7
0.8
S
7
0.7
S
7
0.7
S
7
0.7
S
7
0.7
S
7
0.1
E
7
0.1
SE
15
0.1
SE
15
0.1
SE
15
0.1
SE
14
0.1
SE
14
0.1
SE
14
0.1
SE
14
1.4
SSE
7
1.8
SSW
7
1.6
SSW
7
1.1
S
7
0.2
ESE
6
0.1
SE
13
0.2
ESE
5
0.1
SE
13
1.7
SSW
8
Energy kJ
52
51
64
47
47
45
44
1
9
8
8
8
8
8
8
203
344
258
116
3
7
3
7
402
Swell 2
Height (m)
Direction
Period (s)
0.1
E
6
0.4
SW
4
0.1
E
6
0.1
E
6
0.1
E
6
0.1
SE
16
0.1
E
8
0.1
SE
16
0.1
SE
15
0.1
E
6
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
SE
14
0.1
SE
14
0.1
SE
14
0.4
SE
6
0.1
SE
13
0.1
SE
13
0.1
SE
13
—
0.1
SE
13
Energy kJ
1
5
1
1
1
10
1
10
9
1
1
1
1
1
1
8
8
8
9
7
7
7
—
7
Swell 3
Height (m)
Direction
Period (s)
0.1
E
8
0.1
E
6
0.1
E
8
0.1
S
16
0.1
SE
16
0.1
E
6
0.1
SE
16
0.1
SE
16
—
0.1
E
12
0.1
E
6
—
—
—
—
—
—
—
0.1
SE
14
0.1
SE
13
0.1
E
7
0.1
E
7
—
—
Energy kJ
1
1
1
5
10
1
10
9
—
3
1
—
—
—
—
—
—
—
7
7
1
1
—
—
Wind waves
Height (m)
Direction
Period (s)
0.6
SW
4
—
—
—
—
—
—
0.9
S
7
1.1
S
7
1.2
S
7
1.5
S
6
2.1
S
6
2.4
S
7
2.5
SSW
7
2.4
SSW
7
1.8
SW
7
—
1.2
WSW
7
1
SW
7
1.5
SSW
7
1.6
SSW
8
1.9
SSW
8
2
SSW
8
—
Energy kJ
14
—
—
—
—
—
—
78
114
128
170
335
508
605
620
318
—
129
102
242
291
465
524
—
Nearest Offshore or Glassy
Turtle Cove
Long Island NY
Turtle Cove
Long Island NY
Turtle Cove
Long Island NY
Avon Pier
Carolina North
Topsail Island
Carolina North
Ingonish Beach
Cape Breton Island
Ormond Beach Pier
Florida - North
Kennington Cove
Cape Breton Island
Panic Point (Weekapaug)
Rhode Island
White Point Beach
Nova Scotia
Matanzas Inlet
Florida - North
Peanuts
Florida - North
Jax Beach Pier
Florida - North
Rehoboth Main
Delaware
Winthrop Jetty
Massachusetts
Pilgrim Avenue
Rhode Island
Turtle Cove
Long Island NY
Lighthouse
Rhode Island
Pilgrim Avenue
Rhode Island
Lecount Hollow
Massachusetts
Sands
New Jersey
Sumner Avenue (Strathmere)
New Jersey
Lighthouse
Rhode Island
Lighthouse
Rhode Island
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
1
2
1
2
2
Distance (km)
24
24
24
729
906
1084
1577
1067
24
642
1541
1541
1493
402
144
26
24
25
26
159
219
340
25
25
Best forecast wave conditions in Rhode Island
Scarborough State Beach
Matunuck-The point
Panic Point (Weekapaug)
Bonnet Shores Point
Elbow Ledge
Lighthouse
Scarborough State Beach
Monahans Dock
Scarborough State Beach
Rating
(10 max)
1
1
1
2
2
2
2
2
2
Best forecast wave conditions in United States
Super Tubes
CAL - Ventura
Trestles (Lowers)
CAL - Orange County
Trestles (Lowers)
CAL - Orange County
The Wedge
CAL - Orange County
Topsail Island
Carolina North
The Strait
Washington
Elwha
Washington
Super Tubes
CAL - Ventura
Trestles (Uppers)
CAL - Orange County
Trestles (Lowers)
CAL - Orange County
The Wedge
CAL - Orange County
Three Arch Bay
CAL - Orange County
Fluidgroove Reef
Florida - North
Fluidgroove Reef
Florida - North
Fox Hill Point
New Hampshire
Super Tubes
CAL - Ventura
Super Tubes
CAL - Ventura
Cape Elizabeth
Washington
Trestles (Uppers)
CAL - Orange County
Malibu
CAL - LA County
Shit Pipe
Carolina North
Chincoteague
Virginia
Fire Island
Long Island NY
Westport-The Cove
Washington
Rating
(10 max)
3
4
4
3
1
2
1
3
4
4
3
3
1
1
4
2
2
3
3
3
2
1
3
3
Header Global
Papatowai
New Zealand
Papatowai
New Zealand
Ahijedero
Mexico
Ahijedero
Mexico
Otago Peninsula - Allans Beach
New Zealand
Dunedin - Cob Cottage
New Zealand
Cobblestones
Australia
Papatowai
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Otago Peninsula - Allans Beach
New Zealand
Dinner Plates
New Zealand
Seconds (White Rock)
New Zealand
Tora Point
New Zealand
Trial Harbour
Australia
Trial Harbour
Australia
Trial Harbour
Australia
Mata Veri
Chile
Cathedral Rock
Australia
Mata Veri
Chile
Mata Veri
Chile
Mata Veri
Chile
Mata Veri
Chile
Rating
(10 max)
8
8
4
4
4
5
5
9
9
9
7
5
5
6
5
6
6
6
5
5
8
7
7
6
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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