Surf Forecast Surf Report
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Mainside location map

Mainside surf Forecast / Okinawa / Japan

12 Day Weather and Surf, issued 8 pm Thursday 28 Mar 2024 JST
Forecast update in  hr  min  s 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 21.8°C (Statistics for 28 Mar 1981-2005 - mean: 22.9 °C max: 24.7 °C min: 21.9 °C)
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  • 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>
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 21.8°C (Statistics for 28 Mar 1981-2005 - mean: 22.9 °C max: 24.7 °C min: 21.9 °C)


Best Forecast Surf Conditions for Mainside this week:

The surf forecast for Mainside over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Apr 04) at 12PM. The primary swell is predicted to be 0.8m and 8s period. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Mainside in the next 12 days are 1.1m 10s and forecast to arrive on Friday (Apr 05) at 3AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Tuesday (Apr 02) at 9PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Thu 4th Apr)2.5ft (0.8m) 8s
Best Surf 9PM (Thu 4th Apr)3ft (0.9m) 8s
Most Powerful 3AM (Fri 5th Apr)3.5ft (1.1m) 10s

Table - best surf conditions forecast for Mainside over the next 12 days.

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Updates in  hr  min  s Update imminent
Friday
29
Saturday
30
Sunday
31
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tue
09
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
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
Swell
Height Map
Wave Height (m) & direction (?)
1
SSW
0.8
NNW
0.7
NNW
0.6
NNW
0.4
NNW
0.3
N
0.3
NNW
0.2
N
0.9
SSW
0.2
NNE
0.4
NE
0.5
E
0.1
W
0.1
N
1.4
SSW
1.5
SW
1.3
SW
1.3
SW
1.2
SW
0.8
W
0.7
W
1.1
N
0.9
N
0.6
N
0.6
E
0.5
E
0.8
SSW
0.3
ENE
0.6
E
0.6
E
0.4
NW
0.3
NNW
0.4
E
0.5
E
0.1
W
0.5
E
Period(s) (?)5466665553594656667888981010599956101069
Wave
Graph
(?)Metric surfscale
Energy (?)4623272113652421637011060000825516113450674632176464762944136
Wind
(km/h)
30
SSW
20
N
5
N
10
ENE
15
E
10
ESE
10
SE
10
SSW
40
SW
15
W
5
NNE
10
ESE
20
ESE
25
S
40
SSW
30
SSW
30
SSW
30
SW
10
NNW
15
NNE
5
N
5
SE
5
SW
5
WSW
15
S
20
SSW
20
SW
10
S
15
SSE
20
S
15
S
20
SSW
25
N
20
NE
40
NNE
40
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrossglasscross-
off
cross-
off
offoffcrosscrosscross-
on
glassoffoffcross-
off
crosscrosscrosscrosscross-
on
crosscross-
on
glasscross-
on
cross-
on
cross-
off
crosscross-
on
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
on
cross-
off
crosscross
High Tide
/ height (m)
9:06PM
1.75
8:53AM
1.85
9:44PM
1.67
9:21AM
1.81
10:29PM
1.55
9:53AM
1.74
11:29PM
1.41
10:34AM
1.63
1:05AM
1.31
11:38AM
1.50
3:20AM
1.35
1:41PM
1.42
4:34AM
1.48
3:40PM
1.51
5:17AM
1.62
4:53PM
1.69
5:51AM
1.75
5:48PM
1.86
6:23AM
1.86
6:34PM
2.00
6:54AM
1.94
7:17PM
2.07
7:23AM
2.00
Low Tide
/ height (m)
2:55AM
0.51
3:23PM
0.13
3:23AM
0.63
4:02PM
0.16
3:55AM
0.77
4:50PM
0.24
4:37AM
0.93
5:56PM
0.35
5:48AM
1.08
7:32PM
0.42
8:18AM
1.12
9:17PM
0.39
10:08AM
0.96
10:33PM
0.30
11:06AM
0.73
11:27PM
0.21
11:48AM
0.49
12:11AM
0.16
12:27PM
0.27
12:50AM
0.16
1:04PM
0.09
1:26AM
0.21
1:41PM
-0.04
Friday
29
Saturday
30
Sunday
31
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tue
09
Sunrise-6:22--6:22--6:20--6:20--6:18--6:16--6:16--6:15--6:13--6:13--6:11--6:11-
Sunset--6:44--6:45--6:45--6:45--6:45--6:46--6:46--6:47--6:47--6:49--6:49--6:50
rain showerslight rainlight rainpart cloudpart cloudpart cloudpart cloudrain showersmod rainrain showerspart cloudclearrain showersrain showersclearclearclearthunderstorm thunderstorm cloudpart cloudpart cloudpart cloudrain showersthunderstorm clearpart cloudclearclearpart cloudpart cloudlight raincloudlight raincloudlight rain
Rain (mm)
652----3624--11---26----15------1-1-2
Temp. °C221919192222222324212122222424242424232121212223232425242525232421201717
Feels °C (?)201921202324242520192323232321242424252223242526252426262626252420181110

Short Range Forecast: Heavy rain (total 22mm), heaviest during Thu night. Warm (max 24°C on Sun afternoon, min 18°C on Fri morning). Winds increasing (calm on Fri afternoon, strong winds from the SW by Sun afternoon).

Days 3-6 Weather Summary Heavy rain (total 28mm), heaviest during Sun night. Warm (max 24°C on Tue morning, min 21°C on Sun night). Winds increasing (calm on Mon morning, fresh winds from the SSW by Tue afternoon).

Days 6-9 Weather Summary Moderate rain (total 12mm), heaviest on Wed night. Warm (max 25°C on Sat afternoon, min 21°C on Wed night). Wind will be generally light.

Long Range Forecast: Light rain (total 5mm), mostly falling on Mon morning. Warm (max 25°C on Sun morning, min 15°C on Tue night). Winds increasing (light winds from the S on Sat night, strong winds from the NNE by Tue afternoon).

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.


Information about the Mainside Surf forecast

The above surf forecast table for Mainside provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Mainside can be found by selecting the local surf guide option on the grey menu. Our Mainside surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Mainside) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Mainside may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Mainside is 11 km (7 miles) from the city of Ishikawa. If you plan a holiday in Okinawa, look for hotels and other accommodation in Ishikawa. Ishikawa has rooms for a wide range of budgets as well as car hire and transport links.

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