5 day weather forecast for Isle of Man coastal waters
Forecast periods cover 24 hours from 6am each day to 6am on following day. Wind speeds are on Beaufort Scale.
Today
Nil.
W or NW 3 or 4, imminently becoming variable 3 or less, then NW 3 or 4 later.
Slight or moderate, imminently falling slight.
Mainly fair.
Good.
Tomorrow
Strong to gale force winds developing overnight.
NW or W 3 or 4, backing SW in the evening, then increasing S or SW 6 to gale 8 overnight.
Slight becoming moderate or rough overnight.
Fair, then rain arriving overnight.
Good, becoming moderate or poor overnight.
Wednesday, 17 December 2025
Strong to gale force winds.
S-SW 7 or gale 8, decreasing SW 4 or 5 later in the day.
Rough or very rough, becoming slight or moderate later.
Rain, becoming mainly fair later.
Moderate or good, occasionally poor, becoming good later.
Thursday, 18 December 2025
Strong winds developing.
SW 4 or 5, backing S in the afternoon, veering W or SW in the evening, increasing overnight SW 5 or 6 occasional 7.
Slight or moderate becoming moderate or rough later.
Outbreaks of rain, becoming mainly fair later.
Good, falling moderate at times.
Friday, 19 December 2025
Strong wind.
SW 5 or 6 occasional 7, backing at night to S-SW 6 or 7, then 7 to gale 8 by the end of the night.
Moderate or rough.
Mainly fair, then rain overnight.
Good, becoming moderate or poor overnight.



