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
Strong winds.
SW 4 or 5 occasionally 6 at first, soon backing S or SW 3 or 4, increasing 5 or 6 later in the afternoon and occasionally reaching 7 in the evening, decreasing 4 or 5 overnight.
Moderate, soon falling slight, building moderate or rough in the evening, becoming mainly moderate overnight.
Mainly fair at first, rain or drizzle soon arriving.
Good, becoming moderate or poor in rain or drizzle.
Tomorrow
Nil.
S or SW 4 or 5, quickly decreasing 3 or 4, veering W or SW in the evening, then W or NW 2 or 3 overnight.
Moderate, soon falling slight.
Outbreaks of rain.
Good, falling moderate or poor at times in rain.
Saturday, 20 September 2025
Strong to gale force winds developing, risk of severe gales.
W or NW 2 or 3, soon veering N or NE 5 or 6, backing N or NW 7 or gale 8, possibly reaching severe gale 9 in places in the evening, decreasing 5 or 6 overnight.
Slight, building moderate, then rough or very rough for a time in the evening, falling moderate overnight.
Rain, heavy at times.
Good, falling moderate or poor in rain.
Sunday, 21 September 2025
Strong winds until later.
N or NW 5 or 6, veering N or NE 4 or 5 later.
Moderate, falling slight occasionally moderate later.
Showery outbreaks of rain, becoming fair later.
Good, falling moderate in rain.
Monday, 22 September 2025
Nil.
N or NE 4 or 5, decreasing 3 or 4.
Slight occasionally moderate at first.
Fair.
Good.