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Mainside ratings
Quality on a good day: 2.0
Consistency of Surf: 4.0
Difficulty Level: 4.0
Crowds: 3.0

Overall: 3.2

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Surf Report Feed

Mainside Spot ID

Surf default break image

Type: reef

Reliability: consistent

Best: Swell N | Wind ESE

Sea Temperature Today is: 27.1 °C

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Tuesday, 17 September 2019, 01:40 Local time
Tuesday 17
Wave (m) 1.5
Period (s) 6 7 7 7
Wind (km/h) 30
NNE 30
NNE 25
NNE 25
Wind State cross cross cross cross-

View detailed 48hrs and full 7 days forecasts

Mainside in Okinawa is an exposed reef break that has reliable surf. Winter is the best time of year for surfing here. Offshore winds are from the east southeast. Usually gets local windswells, but groundswells do happen and the ideal wave direction is from the north. The right hand reef break is better than the left.. When it's working here, it can get crowded. Watch out for rips, coral and sharks.

Japan wave energy surf 12 hr forecast

Forecast Wave Energy (Power): 12hrs

Tide Times:

For Toya, Okinawa, Japan, 7 km from Mainside.

IS AT (local time)

Mainside Tide Times and Tide Chart

Live Weather:

At Yomitan, 4 km from Mainside.

Air temperature

Current weather near Mainside

Overall Mainside Surf Consistency and Wind Distribution in September

The graph shows the range of swells directed at Mainside through an average September, ... (show all text)

The rose diagram illustrates how commonly and how strongly the wind blows from differen... (show all text)

The two graphs above are also combined in the single Mainside surf consistency graph.

Also see Mainside surf quality by season and Mainside surf quality by month.

Compare Mainside with another surf break.

Mainside Location Maps

Mainside Location Map

Contours: Roads & Rivers: Select a surf spot from the menu
Surf spots located close to MainsideShoreline around MainsideRoads and rivers around Mainside

Use this relief map to navigate to Okinawa surf spots and tide stations that are in the area of Mainside

Other Nearby Surf Breaks closest to Mainside:

 (click location name for more details)

Wave buoys nearest to Mainside:

Tide stations nearest to Mainside:

  • Closest tide station
    4 mi
  • Second closest tide station
    9 mi
  • Third closest tide station
    10 mi
  • Fourth closest tide station
    12 mi
  • Fifth closest tide station
    13 mi
snow forecast website

Ski Resorts closest to Mainside:

city weather forecast website

Town and city forecasts close to Mainside:

  • Closest city location
    10 mi
  • Second closest city location
    11 mi
  • Third closest city location
    12 mi
  • Fourth closest city location
    13 mi
  • Fifth closest city location
    18 mi


  • The closest passenger airport to Mainside is Kadena Ab Airport (DNA) in Japan, 11 km (7 miles) away (directly).
  • The second nearest airport to Mainside is Naha Airport (OKA), also in Japan, 28 km (17 miles) away.
  • Third is Yoron Airport (RNJ) in Japan, 96 km (60 miles) away.
  • Kumejima Airport (UEO) in Japan is 100 km (62 miles) away.
  • Tokunoshima Airport (TKN), also in Japan is the fifth nearest airport to Mainside and is 194 km (120 miles) away.
Mainside break location map and break info

This is the Surf-Forecast page for Mainside, Okinawa. Use the tab navigation above to view Mainside sea temperature, Mainside photographs, Mainside detailed swell predictions, wind and weather forecasts, Mainside webcams, current wind from Okinawa live weather stations and Mainside tide predictions. The Japan swell maps link will open up the big picture showing Japan and the surrounding seas. These swell maps can be animated to show the different swell components, wave energy, wave period, wave heights, together with wind and weather forecasts, current weather and sea state observations from Japan wave-buoys, passing ships and coastal weather stations. Each of the forecast pages for this surf break feature a global and regional wavefinder tool to locate the best surf conditions in the area around Mainside.