Weather
Japan has a useful early-week refresh lined up, and confidence is highest from Monday evening, March 9, through Wednesday afternoon, March 11. Central Honshu should do best in that first shot with widespread new snow and good ski quality, while Hokkaido stays colder but lighter at first before a stronger, less certain Thursday night into Friday storm shifts the better upside north again.
From Monday evening, March 9, through Tuesday night, March 10, the models are tightly grouped on a widespread shot of snow, with the best lift-served payoff in central Honshu. Timing is one of the cleaner parts of the forecast: snow fills in Monday night, peaks from late Tuesday morning into Tuesday evening, and dwindles into lighter leftovers on Wednesday. Snow levels stay near sea level to roughly 200 meters during the heart of the storm, so nearly all resorts stay cold enough for snow. The strongest first-round totals cluster in central Honshu, where Akakura Onsen looks good for 14 cm-19 cm, Okushiga for 13 cm-16 cm, and Gala Yuzawa for 12 cm-16 cm, while much of Hokkaido is closer to a 4 cm-6 cm refresh aside from a better 13 cm-17 cm signal around Kiroro. Snow quality should be solid rather than blower, with SLRs mostly 12-14 in central Honshu for moderate to fair snow and 14-15 in colder Hokkaido pockets for a lighter feel. Winds are mostly manageable in this round, generally 15-30 km/h with only occasional stronger ridgeline gusts.
Another storm is favored from Thursday afternoon, March 12, into Friday, March 13, but confidence drops a step because the models agree on the arrival window more than they agree on who gets the biggest payoff. They still converge on snow redeveloping Thursday afternoon or evening and peaking Thursday night into Friday morning, with western Hokkaido carrying the clearest upside and Tohoku lagging well behind. Intensity spread is wider than in the Tuesday system. A realistic middle-ground outcome is a 30 cm-60 cm type hit on favored western Hokkaido terrain, while many central Honshu resorts look more like a 5 cm-15 cm refresh if the current consensus holds. Snow levels should start low enough for snow at most ski areas, generally around 100-300 meters, then rise toward roughly 400-700 meters by Friday afternoon, so lower elevations get denser snow later in the storm. Snow quality also trends heavier with time, with SLRs mostly 11-13 early, then closer to 8-10 late. Winds look stronger than the early-week round, with exposed slopes frequently reaching 30-50 km/h and occasional higher gusts.
After Saturday, March 14, the forecast becomes much less locked in and reads more like periodic maintenance snow than a clearly defined next major cycle. Most guidance keeps at least some snow showers or minor refreshes in the mix over the weekend and early next week, but the placement, duration, and snow-level behavior spread out enough that broad expectations are safer than precise calls. Hokkaido still has the better background pattern for small follow-up top-offs, while central Honshu trends milder when precipitation is around and may see snow levels climb well above 700 meters at times. That should keep the best ski quality tied to colder overnight bursts and upper-mountain terrain, especially after any late-week dense snow settles in. Tohoku remains the least compelling part of the region for meaningful new snow through most of the back half of the period.
Resort Forecast Totals (Mon Mar 09 – Wed Mar 11)
- Akakura Onsen – 14 cm-19 cm
- Kiroro – 13 cm-17 cm
- Shiga Kogen Okushiga Kogen – 13 cm-16 cm
- Gala Yuzawa – 12 cm-16 cm
- Naeba – 11 cm-14 cm
- Madarao Kogen – 9 cm-11 cm
- Nozawa Onsen – 7 cm-9 cm
- Hakuba Happo-one – 6 cm-8 cm
- Furano – 5 cm-6 cm
- Niseko Grand Hirafu – 5 cm-6 cm
- Sapporo Teine – 4 cm-6 cm
- Zao Onsen – 4 cm-5 cm
- Hoshino Resort Tomamu – 3 cm-5 cm
- Appi Kogen – 2 cm
- Rusutsu – 2 cm
