Trearddur Bay sailing weather

Should I go sailing?

Likely suitable

Likely sailing window from 23:40 to 04:40.

Why: Wind now 11.0 kt from SW; next six hours 3.8–11.4 kt, gusting up to 12.4 kt; wind direction changing SW to W to WNW to NW; rain chance up to 84%.

Models broadly agreeStation and Met Office guidance broadly agree · wind difference 3.3 kt · direction difference 32°
Forecast confidenceEstablished

Station 22:48 · forecast 22:47 Guidance only — not a go/no-go instruction. Check your ability, boat, sea state, tide and official warnings before sailing.

Ravenspoint station

Conditions now

Updated 22:48
Wind now11.0 kt
Wind directionSW225°
Gust, last hour20.0 kt
1-hour average13.2 kt
Temperature11.4°C
Rain now0.0 mm/h
3-hour wind trendRapidly decreasing-2.7 kt/h

Marine model guidance

Sea state near Trearddur Bay

Updated hourly
Wave height1.5 mUp to 1.5 m in six hours
Wave period5.9 sLonger periods can carry more energy
Wave directionW274° from
Swell height1.0 mModelled offshore grid value

Marine model guidance from Open-Meteo. Coastal resolution is limited and this must not replace local observation, nautical forecasts or seamanship.

Decision timeline

Sailing outlook by hour

Next six hours

Wind, gusts, rain, daylight, nearby tide turns and the wind-based TBSC 2026 course selection. Forecast bearings are converted approximately to magnetic; race officers should shorten for poor visibility, rough sea or other local concerns.

23:40
Likely suitable 11.4 kt W Gust 12.4 kt Rain 80% · Dark
Long course 255° magnetic Oppy 1Y · Optimist 4 · Feva 8 Slow 8 · Myth 8 · Misc 20 · 1/2 Rater 16 Start G/W
Local model
00:40
Likely suitable 6.0 kt W Gust 9.0 kt Rain 84% · Dark
Short course 255° magnetic Oppy 1Y · Optimist 3 · Feva 8 Slow 8 · Myth 8 · Misc 20 · 1/2 Rater 20 Start G/W
Local model
01:40
Likely suitable 5.8 kt W Gust 9.2 kt Rain 83% · Dark
Short course 285° magnetic Oppy 1Y · Optimist 2 · Feva 7 Slow 7 · Myth 7 · Misc 19 · 1/2 Rater 19 Start G/W
Local model
02:40
Likely suitable 5.0 kt WNW Gust 8.2 kt Rain 82% · Dark
Short course 285° magnetic Oppy 1Y · Optimist 2 · Feva 7 Slow 7 · Myth 7 · Misc 19 · 1/2 Rater 19 Start G/W
Local model
03:40
Likely suitable 3.8 kt NW Gust 7.8 kt Rain 82% · Dark
Short course 330° magnetic Oppy 1R · Optimist 3R · Feva 12R Slow 12R · Myth 12R · Misc 26R · 1/2 Rater 14 Start Red · R = reverse
Local model
04:40
Likely suitable 5.2 kt NW Gust 12.2 kt Rain 82% · Dark
Short course 315° magnetic Oppy 1R · Optimist 3R · Feva 11 Slow 12R · Myth 12R · Misc 14 · 1/2 Rater 14 Start G/W · R = reverse
Local model

Experimental local model

Next six hours

How the model works
23:40Likely suitable

11.4 kt W 259°

Likely 6.9–14.4 kt

Gust 12.4 kt

Chance of gust 18 kt or more: 83%
00:40Likely suitable

6.0 kt W 259°

Likely 6.6–8.8 kt

Gust 9.0 kt

Chance of gust 18 kt or more: 81%
01:40Likely suitable

5.8 kt W 279°

Likely 6.6–8.8 kt

Gust 9.2 kt

Chance of gust 18 kt or more: 81%
02:40Likely suitable

5.0 kt WNW 284°

Likely 5.5–7.9 kt

Gust 8.2 kt

Chance of gust 18 kt or more: 78%
03:40Likely suitable

3.8 kt NW 323°

Likely 1.3–4.1 kt

Gust 7.8 kt

Chance of gust 18 kt or more: 80%
04:40Likely suitable

5.2 kt NW 313°

Likely 2.0–5.1 kt

Gust 12.2 kt

Chance of gust 18 kt or more: 82%

Independent cross-check

Met Office, next six hours

Strongest wind
18.0 kt
Strongest gust
25.0 kt
Rain chance
84%
Temperature
8–11°C
View the detailed Met Office forecast

Trearddur Bay

Today's tides