Sea temperature in Sapporo (Hokkaido) in Japan real-time sea temperature, 7-day forecast and historical data

Temperature of the sea in Sapporo (Hokkaido) today

Currently, the sea water temperature in Sapporo (Hokkaido) is at most:

45°F

(or 1° higher than the seasonal norm)

Other useful information about today's weather:

• Outside temperature: 20°F to 32°F
• Light snow
• The wind is blowing at 9.3mph
• Wave height is 3.6ft on average, and 2ft at most, with a frequency of a wave every 7.1 seconds.
• More details on the sea weather of Sapporo (Hokkaido) page

This report was generated on 13/01/2026

7 day sea water temperature forecast in Sapporo (Hokkaido)

Discover the weather forecast for the water temperature in Sapporo (Hokkaido) for the next 7 days below. You will also find the 7-day forecast for outside temperature and wave height. For more details, hour by hour, see the chart below the listing.

Tuesday 13 January 2026

sea temperature:
45°F

Wave height: 3.3ft to 6.9ft

Outside temperature: 20°F to 32°F

Wednesday 14 January 2026

sea temperature:
45°F

Wave height: 5.6ft to 7.9ft

Outside temperature: 16°F to 20°F

Thursday 15 January 2026

sea temperature:
45°F

Wave height: 3.6ft to 6.2ft

Outside temperature: 22°F to 27°F

Friday 16 January 2026

sea temperature:
45°F

Wave height: 1.6ft to 3ft

Outside temperature: 23°F to 27°F

Saturday 17 January 2026

sea temperature:
45°F

Wave height: 1.6ft to 3ft

Outside temperature: 23°F to 29°F

Sunday 18 January 2026

sea temperature:
45°F

Wave height: 2ft to 5.6ft

Outside temperature: 22°F to 29°F

Monday 19 January 2026

sea temperature:
45°F

Wave height: 2.3ft to 3.6ft

Outside temperature: 23°F to 32°F

Chart of water temperature variation over 7 days

History of water temperature in Sapporo (Hokkaido)

We record the water temperature daily in Sapporo (Hokkaido) In this way, we can provide you with the average sea temperature in Sapporo (Hokkaido) over the last 24 months and a more detailed chart for recent months.

Monthly sea temperature averages over 24 months

january 2026

Average water temperature: 46°F (45°F to 47°F)

december 2025

Average water temperature: 49°F (47°F to 50°F)

november 2025

Average water temperature: 56°F (52°F to 61°F)

october 2025

Average water temperature: 66°F (61°F to 70°F)

september 2025

Average water temperature: 74°F (70°F to 76°F)

august 2025

Average water temperature: 72°F (67°F to 77°F)

july 2025

Average water temperature: 65°F (61°F to 68°F)

june 2025

Average water temperature: 58°F (52°F to 63°F)

may 2025

Average water temperature: 49°F (43°F to 56°F)

april 2025

Average water temperature: 43°F (40°F to 47°F)

march 2025

Average water temperature: 44°F (40°F to 45°F)

february 2025

Average water temperature: 44°F (43°F to 45°F)

january 2025

Average water temperature: 46°F (45°F to 47°F)

december 2024

Average water temperature: 50°F (47°F to 52°F)

november 2024

Average water temperature: 56°F (54°F to 58°F)

october 2024

Average water temperature: 66°F (59°F to 70°F)

september 2024

Average water temperature: 73°F (70°F to 76°F)

august 2024

Average water temperature: 73°F (68°F to 76°F)

july 2024

Average water temperature: 65°F (59°F to 70°F)

june 2024

Average water temperature: 56°F (52°F to 63°F)

may 2024

Average water temperature: 50°F (45°F to 56°F)

april 2024

Average water temperature: 43°F (40°F to 47°F)

march 2024

Average water temperature: 41°F (38°F to 43°F)

february 2024

Average water temperature: 43°F (40°F to 45°F)

Variation of water temperature in Sapporo (Hokkaido) over the past 2 months