Surf Forecast Surf Report
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Surf Forecasts

Mainside surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 2 am Saturday 10 May 2025 JST
Forecast update in hr  min  s Forecast update imminent
Mainside surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mainside sea temperature is
23.1° C
 (Which is 2.1°C colder than average for this time of year)

How big are the waves at Mainside today?

The current surf forecast for Mainside at 4AM is: 0.9m 4s primary swell from a South-southwest direction and 0.1m 13s secondary swell from a East direction (forecast issued at 02:00am May 10). An open ocean swell of 0.5m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (10 May)3ft (0.9m)6s
Afternoon (10 May)2.5ft (0.7m)6s
Evening (10 May)1.5ft (0.5m)6s

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

Hourly12 Days
Okinawa Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
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
0
0
1
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
See all maps
Wave Height (m) & direction (?)
0.1
E
0.9
SSW
0.8
W
0.9
W
0.8
W
0.7
W
0.6
W
0.5
W
0.5
N
1.1
N
1.3
N
1.5
N
1.5
N
1.4
N
1.2
N
1.1
N
0.8
E
0.8
NNW
0.8
NNW
0.6
NNW
0.6
NNW
0.5
NNW
0.5
NNW
0.5
NNW
0.4
NNW
0.4
NNW
0.4
NNW
0.3
NNW
0.5
E
0.4
E
0.4
E
0.8
E
0.2
E
0.4
E
0.4
E
0.3
E
0.3
E
0.3
E
0.3
E
0.3
E
0.3
E
0.3
E
0.2
E
0.2
E
0.3
E
0.2
E
0.2
E
0.2
E
0.2
E
0.2
E
0.2
E
0.2
E
0.2
E
0.5
E
0.1
E
0.5
E
0.4
E
0.2
E
0.2
E
0.3
E
Period(s) (?)1346666665456666686677777777699101012991111111110101110101010109910101010715610101010
Wave
Graph
(?)Metric surfscale
Energy (?)3304057463222151144921361461321121009148473537272727191815841272911711252421202020161620981787777788040318717
Wind
(km/h)
20
S
20
SSW
25
WSW
25
W
10
SSW
15
SSW
15
SSW
15
S
15
SE
5
ESE
25
NE
30
NNE
25
NE
35
N
40
N
35
N
25
NNE
15
NNE
15
NNE
10
ENE
15
ENE
15
ENE
20
ENE
10
E
25
ESE
10
E
10
NE
10
ENE
15
NE
20
ENE
15
ENE
20
E
15
E
15
E
15
E
15
ESE
15
ESE
15
ESE
20
ESE
20
E
15
E
15
E
15
ENE
10
ENE
5
NE
10
E
20
ESE
25
ESE
25
ESE
20
ESE
20
ESE
25
ESE
25
SE
20
SE
20
SSE
15
S
20
SSE
20
S
20
S
20
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crosscross-
on		oncrosscrosscrosscross-
off		cross-
off		offcross-
off		crosscross-
off		crosscrosscrosscrosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		offoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffoffoffoffoffoffoffoffcross-
off		cross-
off		cross-
off		cross-
off		offoffoffoffoffoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross
High Tide
/ height (m)
5:48AM
1.82
6:33PM
1.70
6:11AM
1.86
7:04PM
1.74
6:33AM
1.89
7:34PM
1.76
6:55AM
1.91
8:04PM
1.77
7:19AM
1.93
8:36PM
1.76
7:46AM
1.94
9:11PM
1.74
8:17AM
1.91
9:52PM
1.70
8:53AM
1.86
Low Tide
/ height (m)
11:48PM
0.68
12:19PM
0.37
12:18AM
0.72
12:45PM
0.28
12:43AM
0.76
1:10PM
0.21
1:08AM
0.80
1:36PM
0.16
1:33AM
0.84
2:03PM
0.12
2:01AM
0.88
2:35PM
0.12
2:32AM
0.93
3:11PM
0.14
3:10AM
0.99
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunrise--5:45-------5:45-------5:43-------5:43-------5:43-------5:41-------5:41-------5:41-
Sunset------7:05-------7:06-------7:06-------7:07-------7:07-------7:07-------7:07-----
part cloudthunderstorm thunderstorm heavy rainheavy rainheavy rainlight rainlight rainlight rainlight rainmod rainmod rainmod rainmod rainlight rainlight rainlight rainlight rainlight rainlight raincloudlight rainlight rainlight rainlight raincloudclearpart cloudpart cloudpart cloudcloudclearpart cloudpart cloudpart cloudpart cloudclearclearpart cloudpart cloudpart cloudpart cloudclearclearclearclearpart cloudpart cloudclearcloudcloudrain showerslight rainthunderstorm thunderstorm thunderstorm cloudpart cloudpart cloudpart cloud
Rain (mm)
-41122615212261067534311-1221--------------------------11221----
Temp. °C252525222221222120201919181818181718171718181718191919192021222121212122232322212121212123242323232324242425262525252526
Feels °C (?)262626222522232220221716151312131417161617161518151919192020222120212222232221202121212225252323232425242425272727272728
  • 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>

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 Mainside 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 Mainside at:
surf-forecast.com

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