Surf Forecast Surf Report
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Rock Island location map

Rock Island surf Forecast / Kanagawa / Japan

48hr Weather and Surf, issued 8 am Wednesday 01 May 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 01 May 1981-2005 - mean: 19.3 °C max: 21.8 °C min: 17.5 °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 01 May 1981-2005 - mean: 19.3 °C max: 21.8 °C min: 17.5 °C)


How big are the waves at Rock Island today?

The current surf forecast for Rock Island at 10AM is: 0.7m 6s primary swell from a South direction and 0.1m 10s secondary swell from a East direction (forecast issued at 08:00am May 01). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (01 May)2.5ft (0.7m)6s
Afternoon (01 May)1.5ft (0.5m)7s
Evening (01 May)1ft (0.3m)7s

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

Updates in  hr  min  s Update imminent
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Tuesday
07
Wednesday
08
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM
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
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
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
S
0.7
S
0.7
S
0.5
S
0.4
SSW
0.3
SSW
0.3
SSW
0.2
ESE
0.2
ESE
0.2
ESE
0.1
SW
0.2
SSW
0.2
SSW
0.2
SSW
0.2
SSW
0.2
SSW
0.2
SSW
0.2
SSW
0.1
SW
0.1
E
0.5
S
0.4
SSW
0.1
E
0.1
SE
0.1
SE
0.1
SE
0.2
ESE
0.2
ESE
0.2
E
0.2
ESE
0.2
E
0.4
SW
0.1
E
0.1
E
0.6
S
0.7
S
0.7
S
0.7
SSW
0.6
SSW
0.5
SSW
0.1
E
0.5
S
0.6
S
0.7
S
0.7
S
0.4
SE
0.4
SE
0.5
S
0.5
SSE
0.5
SSE
0.6
SSE
0.6
SSE
0.6
SSE
1
SSE
1.3
SSE
0.8
SSE
0.6
SE
0.6
SE
0.6
SSE
0.7
SSE
Period(s) (?)6677777999999988777103310101010101098831011344444133444666666666666666
Wave
Graph
(?)Metric surfscale
Energy (?)38384323159988838876655224324449106653227131415107459131499202121272525721245032312641
Wind
(km/h)
10
NNE
20
NNE
30
NE
30
NE
35
NE
35
NE
40
NE
35
NNE
30
NNE
30
NNE
25
NNE
15
NE
20
E
15
E
10
NE
10
NNE
5
NE
5
E
10
S
25
SSW
25
SSW
25
SSW
20
SSW
10
SW
5
W
5
S
15
S
25
SSW
30
SSW
20
SSW
15
SSW
10
SSW
10
SSW
15
SSW
30
S
35
S
35
SSW
30
SSW
25
SSW
25
SSW
25
SSW
30
SSW
35
S
40
SSW
35
SSW
35
SSW
35
SSW
30
SSW
25
SSW
25
SSW
35
SSW
40
SSW
35
SSW
30
SSW
30
SSW
20
SSW
20
SSW
25
SSW
35
SSW
45
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffcross-
off
offoffoffoffoffoffoffcross-
off
cross-
off
cross-
off
cross-
off
offoffglassonononononcross-
on
glassononononononononononononononononononononononononononononononononononon
High Tide
/ height (m)
8:25AM
1.17
12:47AM
1.17
9:58AM
1.07
1:38AM
1.19
12:08PM
1.04
2:15AM
1.22
1:48PM
1.10
2:45AM
1.25
2:59PM
1.18
3:12AM
1.28
3:56PM
1.27
3:39AM
1.31
4:45PM
1.34
4:05AM
1.35
Low Tide
/ height (m)
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
8:10PM
0.44
8:59AM
0.53
9:02PM
0.49
9:35AM
0.37
9:46PM
0.55
10:11AM
0.22
10:25PM
0.62
10:46AM
0.09
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Tuesday
07
Wednesday
08
Sunrise4:50-------4:48-------4:48-------4:47-------4:46-------4:45-------4:43-------4:43---
Sunset----6:27-------6:28-------6:29-------6:30-------6:30-------6:30-------6:31-------
part cloudcloudlight rainmod rainmod rainmod rainlight rainlight rainlight raincloudclearpart cloudpart cloudclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearpart cloudclearclearclearclearclearclearpart cloudcloudcloudcloudcloudpart cloudcloudcloudcloudpart cloudcloudlight rainlight rainrain showerspart cloudclearclearclear
Rain (mm)
--48107212--------------------------------------------121----
Temp. °C202016151413121110121517161414131314151616161616161819191919191818192121202019181819202020201920202021201919201919212222
Feels °C (?)21171210864435912101011101112121111121315161817151517171717171614141515141514151415151416171716141416171718191716

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.


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