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Norwegian Sea

ERA5 reanalysis 2015-2024, 10 years

Roughest in Jan

96%

Week 4 · 4.5 m

Calmest in Jul

6%

Week 30 · 1.4 m

Week by week

Days above 2.5 m

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Rough end of the range — At the same height a long swell is a slow roll and a short chop is a hammering. Anything under about 6 seconds is chop.

Typical wave height

3.0 m

Wave period

8.9 s

Mean wind

41 km/h

Air temperature

8°C

Sailings that cross this water