Surf Forecast Surf Report
  • Country flag icon
  • Country flag icon
  • Country flag icon
  • Country flag icon
  • Country flag icon
  • Country flag icon
app storeplay store
Reef
Rock Island location map

Rock Island surf Forecast / Kanagawa / Japan

48hr Weather and Surf, issued 2 pm Friday 29 Mar 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 14.3°C (Statistics for 29 Mar 1981-2005 - mean: 17.2 °C max: 18.5 °C min: 15.6 °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 14.3°C (Statistics for 29 Mar 1981-2005 - mean: 17.2 °C max: 18.5 °C min: 15.6 °C)


How big are the waves at Rock Island today?

The current surf forecast for Rock Island at 5PM is: 4.0m 11s primary swell from a South direction and 3.0m 11s secondary swell from a South direction (forecast issued at 02:00pm March 29). The wind direction is predicted to be cross-onshore and the swell rating is 3.

Time (JST) & DateWave HeightWave Period
Morning (29 Mar)--
Afternoon (29 Mar)15ft (4.5m)11s
Evening (29 Mar)7.5ft (2.3m)10s

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

Updates in  hr  min  s Update imminent
Friday
29
Saturday
30
Sunday
31
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM
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
Swell
Height Map
Wave Height (m) & direction (?)
4.5
S
4.5
SSW
3.5
S
2.3
S
1.8
S
1.6
S
1.6
SSW
1.2
S
1.4
SW
1
SSW
1.5
SSW
1.8
SSW
1.3
SSW
1.3
SSW
1.2
SSW
1.5
SW
1
SSW
1.5
SSW
1.1
SSW
1
SW
0.6
SSW
0.4
SSW
0.3
SE
0.3
SSW
0.3
SE
0.3
SE
0.5
SW
0.5
SSW
0.3
SE
0.3
SSW
0.1
SE
0.2
SSW
0.2
ESE
0.3
SE
0.3
SE
0.2
SSE
0.2
SSW
0.7
SSE
0.4
SSE
0.7
S
0.5
S
0.4
SSW
0.4
SSE
0.5
SSE
0.7
SSE
0.9
SSE
1
SSE
0.9
SSE
0.7
SE
0.6
SE
0.5
SE
0.6
SE
0.5
SE
0.5
SE
0.4
SSE
0.4
SSE
0.8
SE
0.8
SE
0.5
SSE
0.9
SE
Period(s) (?)101111101099988776677756555751098812512611111111745554567888888888766666
Wave
Graph
(?)Metric surfscale
Energy (?)43464333275410606124414132202441192282821401261251958513382432397614132938225551218181242172513481947113140116695331393030181645452066
Wind
(km/h)
60
SW
25
SW
20
SW
10
WNW
10
WSW
30
WSW
35
WSW
15
W
5
NNE
10
SE
20
SSW
40
SW
35
SW
35
SW
30
SW
20
WSW
20
SSW
40
SW
30
SW
10
WNW
25
NNE
20
NE
15
NE
15
ENE
10
SSE
15
ESE
0
SSE
35
NE
25
NE
20
NNE
15
NNE
5
ESE
15
S
20
S
25
SSE
25
S
20
S
20
SSW
20
SW
20
SSW
15
S
5
SSE
5
SW
15
SSW
5
S
10
NE
35
NNE
25
NNE
15
NE
10
SE
25
ESE
5
ESE
10
E
15
ENE
15
NE
10
ENE
5
S
15
SE
20
SE
15
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononcrosscross-
on
cross-
on
cross-
on
cross-
on
glasscross-
on
oncross-
on
oncross-
on
cross-
on
cross-
on
onononcrossoffoffoffcross-
off
cross-
on
crossglassoffoffoffoffcross-
off
oncross-
on
cross-
on
onononononcross-
on
glassglassonglasscross-
off
offoffcross-
off
crosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glasscross-
on
crosscross
High Tide
/ height (m)
8:13PM
1.27
7:08AM
1.33
9:09PM
1.18
7:34AM
1.31
10:22PM
1.10
8:04AM
1.26
12:08AM
1.07
8:44AM
1.19
1:58AM
1.11
9:57AM
1.11
2:52AM
1.16
12:11PM
1.07
3:23AM
1.20
1:55PM
1.12
Low Tide
/ height (m)
1:28PM
0.09
1:33AM
0.71
2:10PM
0.09
2:03AM
0.83
2:58PM
0.13
2:38AM
0.93
3:58PM
0.19
3:33AM
1.01
5:13PM
0.24
5:54AM
1.04
6:38PM
0.27
8:01AM
0.96
7:54PM
0.26
8:54AM
0.82
8:53PM
0.26
Friday
29
Saturday
30
Sunday
31
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Sunrise------5:31-------5:28-------5:28-------5:26-------5:24-------5:24-------5:22-----
Sunset--6:00-------6:00-------6:01-------6:02-------6:04-------6:04-------6:05-------6:06-
mod rainrain showersclearclearclearclearclearclearclearclearpart cloudcloudclearclearclearclearclearcloudcloudcloudpart cloudpart cloudpart cloudpart cloudclearclearclearclearclearclearpart cloudpart cloudcloudcloudcloudcloudcloudcloudcloudcloudcloudcloudcloudcloudclearclearclearpart cloudpart cloudcloudcloudcloudcloudpart cloudpart cloudpart cloudpart cloudcloudcloudcloud
Rain (mm)
73----------------------------------------------------------
Temp. °C181819171617171719202019171818192122201815141414151618151210101011131415151615141314141415141214161714141414141416161615
Feels °C (?)91517161511913181715101011111517151516101010111313177545668810111311101113131215124913158121110101114131212

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.


Nearest
Nearest