The Surf Window

Ishikari

Hokkaido, Japan

Beach breakIntermediate

On Hokkaido's west coast near Sapporo, Ishikari Bay catches Sea of Japan swells and winter storms to create surprisingly powerful beach break, and the proximity to Japan's most famous ski resort region means you can combine world-class powder skiing with cold-water surfing in the same trip.

Typical Conditions

The Surf Window

Swell Window

N
OptimalW (270°)
WindowSSW–NNW (210°–330°)
Size–W 1.5–3m at 10–14s

Wind

SE

Light to E under 15 knots

Tide

Mid tide

LowMidHigh

Season

Oct–Mar

JFMAMJJASOND

The Wave

Type

Beach break

Bottom

Sand

Shape

Multiple peaks along the bay

Length

60–120m

Skill Level

  • •Who it's for: Advanced surfers
  • •Why: Cold Hokkaido winter water and Sea of Japan storms demand cold-water experience

Hazards

  • •Very cold water, 2–8°C in winter requires drysuit or 6mm suit with hood and gloves
  • •Sea of Japan winter storms arrive rapidly and powerfully
  • •Snow on the beach and icy conditions on access roads

Local Tips

  • •Surfing under snowfall in Hokkaido is one of Japan's most extraordinary outdoor experiences
  • •Sapporo is 40 minutes by train, world-class ramen, beer, and après-surf culture
  • •Niseko ski resort is 2 hours away, the ultimate powder and surf dual mission

Location

Map showing the location of Ishikari in Hokkaido, Japan

43.1833, 141.3667