Trearddur Bay sailing weather

Should I go sailing?

No clear window

No clearly suitable period; least risky conditions are around 10:40.

Why: Wind now 20.0 kt from SW; no two consecutive green forecast windows; next six hours 15.0–19.2 kt, gusting up to 25.1 kt; wind direction changing SW to WSW to SW to WSW to SW; rain chance up to 5%.

Models broadly agreeStation and Met Office guidance broadly agree · wind difference 1.8 kt · direction difference 23°
Forecast confidenceEstablished

Station 04:50 · forecast 04:47 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 04:50
Wind now20.0 kt
Wind directionSW225°
Gust, last hour24.3 kt
1-hour average17.1 kt
Temperature17.3°C
Rain now0.0 mm/h
3-hour wind trendSteady-0.2 kt/h

Marine model guidance

Sea state near Trearddur Bay

Updated hourly
Wave height1.3 mUp to 1.3 m in six hours
Wave period5.4 sLonger periods can carry more energy
Wave directionSW224° from
Swell height0.8 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.

05:40
Likely unsuitable 19.2 kt SW Gust 24.3 kt Rain 5% · Dark
Short course 225° magnetic Oppy 1R · Optimist 3R · Feva 11R Slow 11R · Myth 11R · Misc 13R · 1/2 Rater 17 Start Red · R = reverse
Local model
06:40
Marginal 16.0 kt WSW Gust 24.2 kt Rain 5% · Daylight
Short course 240° magnetic Oppy 1R · Optimist 3 · Feva 9 Slow 9 · Myth 9 · Misc 17 · 1/2 Rater 17 Start G/W · R = reverse
Local model
07:40
Marginal 15.6 kt WSW Gust 23.1 kt Rain 5% · Daylight Low tide 08:34
Short course 240° magnetic Oppy 1R · Optimist 3 · Feva 9 Slow 9 · Myth 9 · Misc 17 · 1/2 Rater 17 Start G/W · R = reverse
Local model
08:40
Marginal 16.6 kt SW Gust 25.1 kt Rain 5% · Daylight Low tide 08:34
Short course 240° magnetic Oppy 1R · Optimist 3 · Feva 9 Slow 9 · Myth 9 · Misc 17 · 1/2 Rater 17 Start G/W · R = reverse
Local model
09:40
Marginal 16.3 kt WSW Gust 23.5 kt Rain 5% · Daylight Low tide 08:34
Short course 240° magnetic Oppy 1R · Optimist 3 · Feva 9 Slow 9 · Myth 9 · Misc 17 · 1/2 Rater 17 Start G/W · R = reverse
Local model
10:40
Marginal 15.0 kt SW Gust 22.2 kt Rain 5% · Daylight
Short course 240° magnetic Oppy 1R · Optimist 3 · Feva 9 Slow 9 · Myth 9 · Misc 17 · 1/2 Rater 17 Start G/W · R = reverse
Local model

Experimental local model

Next six hours

How the model works
05:40Likely unsuitable

19.2 kt SW 224°

Likely 18.0–21.1 kt

Gust 24.3 kt

Chance of gust 18 kt or more: 99%
06:40Marginal

16.0 kt WSW 239°

Likely 15.2–18.0 kt

Gust 24.2 kt

Chance of gust 18 kt or more: 99%
07:40Marginal

15.6 kt WSW 241°

Likely 14.5–18.8 kt

Gust 23.1 kt

Chance of gust 18 kt or more: 97%
08:40Marginal

16.6 kt SW 236°

Likely 15.8–19.1 kt

Gust 25.1 kt

Chance of gust 18 kt or more: 97%
09:40Marginal

16.3 kt WSW 237°

Likely 16.1–19.0 kt

Gust 23.5 kt

Chance of gust 18 kt or more: 96%
10:40Marginal

15.0 kt SW 233°

Likely 14.8–18.0 kt

Gust 22.2 kt

Chance of gust 18 kt or more: 94%

Independent cross-check

Met Office, next six hours

Strongest wind
17.4 kt
Strongest gust
27.7 kt
Rain chance
5%
Temperature
17–18°C
View the detailed Met Office forecast

Trearddur Bay

Today's tides