JP Hokkaido Sea Urchin Supply Chain — Golden Week Impact Analysis v3 (Global Mirror)

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0 words10 min readJPB2BSea Urchin

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JP_datatable: Hokkaido Uni Supply Chain — Golden Week Impact Analysis v3

Source: WebSearch Research | Date: 2026-05-11 | Purpose: B2B Procurement Decision
Supply gap warning for Macau B2B procurement businesses (e.g., Inari Global Foods) during Golden Week


Golden Week Supply Impact Summary

  1. During Golden Week (4/29-5/5), most Hokkaido fishing grounds have not yet opened for fishing. The main fishing season is from June to August. Procurement merchants need not worry about "Golden Week fishing suspension," but should pay attention to the supply gap caused by market/logistics shutdowns.
  2. Exception: Eastern Hokkaido winter-spring fishing areas (Rausu, Otake, Rebun Island) have fishing operations in April-May, but wholesale markets (such as Toyosu) are closed for 4-6 days during Golden Week, causing delays in arrival times.
  3. 2025 Hokkaido sea urchin fishing crisis: Ezo-bafun uni catch on Rebun Island decreased by 50% compared to the same period last year, with auction prices at ¥29,000 per 100g (4 times higher than 5 years ago). The supply gap is severe and not a one-time Golden Week issue.
  4. Areas with earliest supply recovery after Golden Week: Rausu in Eastern Hokkaido (Rausu kelp zone) and Rebun Island. Market trading typically resumes normal operations on May 7-8 after Golden Week ends.
  5. Recommended strategies for Macau importers: It is recommended to secure late-April inventory 2-3 weeks in advance or shift to alternative sources (Chile, Canada) to bridge the supply gap period.

Key Data Table

Aspect Details
Golden Week Period (4/29-5/5) Toyosu Market: market opens 5/3, closed 5/4-5/6 (2025); wholesale markets suspended 3-4 days
Main Affected Varieties Ezo-bafun uni (Ezo horse manure sea urchin), Kitamurasaki uni (Northern purple sea urchin)
Fishery Season Start Dates by Region Rausu: mid-January - end of June; Rebun Island/Okuma: April-June; Shakotan: 6/1-8/31; Rishiri Island: June-August; Otaru/Iwanai: May-July
Order Deadline (Before Golden Week) Recommended to complete orders by April 22-25 to ensure shipment by April 28 (allowing 3 days buffer)
Market Recovery Time Toyosu and other central wholesale markets resume normal trading on May 7 (first trading day after Golden Week)
Supply Recovery Order by Region #1: Hokkaido East Rausu/Nemuro (earliest, approx. from 5/7) → #2: Rebun Island/Okuma → #3: Shakotan/Otaru (fishing begins after June)
2025 Supply Gap Estimate<

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