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Rock Island location map

Rock Island surf Forecast / Kanagawa / Japan

48hr Weather and Surf, issued 2 am Saturday 27 Apr 2024 JST
Forecast update in  hr  min  s Update imminent 
Rock Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rock Island sea temperature is 19.1°C (Statistics for 27 Apr 1981-2005 - mean: 18.8 °C max: 21.2 °C min: 16.7 °C)
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
Rock Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rock Island sea temperature is 19.1°C (Statistics for 27 Apr 1981-2005 - mean: 18.8 °C max: 21.2 °C min: 16.7 °C)

How big are the waves at Rock Island today?

The current surf forecast for Rock Island at 6AM is: 0.1m 10s primary swell from a Southeast direction and 0.2m 6s secondary swell from a South direction, 0.2m 4s secondary swell from a South direction (forecast issued at 02:00am April 27). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (27 Apr)2.5ft (0.7m)5s
Afternoon (27 Apr)1.5ft (0.5m)5s
Evening (27 Apr)1.5ft (0.4m)6s

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

Hourly12 Days
Kanagawa Surf
Print Surf Table
Updates in  hr  min  s Update imminent 
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
01
Thursday
02
Friday
03
Saturday
04
0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 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
0
0
0
0
0
2
2
0
0
1
0
1
2
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
See all maps
Wave Height (m) & direction (?)
0.3
SSE
0.3
SSE
0.2
S
0.7
S
0.6
S
0.5
S
0.4
SSE
0.4
SE
0.4
SE
0.5
SSE
0.6
S
0.6
S
0.5
S
0.6
S
0.6
S
0.3
S
0.5
S
0.5
S
0.5
S
0.4
S
0.6
S
0.8
S
0.9
S
0.8
S
0.7
S
0.7
S
0.7
S
1.2
SSE
0.8
SSE
1
SSE
1.2
S
1.1
S
0.8
S
1
S
0.6
SSE
0.9
SSW
0.8
SE
0.6
S
0.6
SSW
0.5
SSW
0.4
SSW
0.4
SSW
0.3
SSW
0.2
ESE
0.2
SSW
0.1
SE
0.2
SSW
0.3
S
0.3
S
0.2
S
0.3
S
0.2
S
0.5
S
0.7
S
0.9
SSW
0.8
SSW
0.8
SSW
0.2
ESE
0.4
SSW
0.3
S
Period(s) (?)6665555678877778887774444456667777878777777879888777344441044
Wave
Graph
(?)Metric surfscale
Energy (?)664252013891836423724323211312825153418282015162387489015913459106396282334031211810653712114844122822171053
Wind
(km/h)
15
S
15
S
25
SSW
20
S
0
ESE
10
NE
5
ENE
10
NNW
5
N
5
SW
5
SW
5
S
15
S
25
S
30
S
25
S
15
SSW
10
SSW
15
SSW
15
SSW
25
S
30
S
35
S
30
S
25
S
25
S
20
SSE
25
SE
10
NNE
20
NNE
5
ENE
15
S
15
SSW
10
W
15
N
30
N
25
NNE
15
E
25
E
25
ENE
20
NE
20
NE
20
NE
10
NE
5
ESE
15
S
25
S
20
S
20
SSW
15
SSW
20
SSW
20
SSW
25
S
30
S
30
S
25
SSW
20
SW
10
WSW
5
NW
0
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		ononglassoffcross-
off		cross-
off		glassonononononononononononononononononcross-
on		crossoffoffcross-
off		ononcross-
on		offoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		glassononononononononononononcross-
on		glassglass
High Tide
/ height (m)
5:58AM
1.39
8:15PM
1.29
6:26AM
1.37
9:11PM
1.23
6:57AM
1.33
10:17PM
1.19
7:34AM
1.26
11:35PM
1.16
8:25AM
1.17
12:47AM
1.17
9:58AM
1.07
1:38AM
1.19
12:08PM
1.04
2:15AM
1.22
Low Tide
/ height (m)
12:37AM
0.80
1:06PM
-0.04
1:10AM
0.88
1:48PM
-0.00
1:47AM
0.95
2:35PM
0.06
2:36AM
1.01
3:30PM
0.16
3:57AM
1.03
4:36PM
0.25
5:58AM
0.98
5:53PM
0.34
7:26AM
0.86
7:07PM
0.40
8:18AM
0.70
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunrise--4:54-------4:52-------4:52-------4:50-------4:50-------4:48-------4:48-------4:47-
Sunset------6:23-------6:24-------6:25-------6:25-------6:27-------6:28-------6:29-----
cloudcloudcloudcloudcloudcloudcloudcloudclearclearclearclearclearclearclearclearclearclearclearcloudcloudcloudcloudcloudcloudcloudlight rainlight rainlight rainclearclearpart cloudclearpart cloudcloudlight rainlight rainlight rainlight rainlight rainlight rainpart cloudclearclearclearclearclearclearpart cloudpart cloudpart cloudpart cloudcloudcloudcloudcloudpart cloudclearclearclear
Rain (mm)
--------------------------551------132311-------------------
Temp. °C191918171718191818181819202020191919191920202019191917171819201919191917161614141413131415161616161616171818181818171718
Feels °C (?)19181615181819171818181918171715171818181716161616161514181721181919191212159810881113121112121313131312121415151718

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 Rock 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.

View detailed surf forecast for Rock Island at:
surf-forecast.com

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