Trearddur Bay sailing weather

Should I go sailing?

No clear window

No clearly suitable period; least risky conditions are around 20:10.

Why: Wind now 19.0 kt from SW; no two consecutive green forecast windows; next six hours 18.8–21.8 kt, gusting up to 35.5 kt; wind direction changing SW to S to SSW to SW; rain chance up to 54%.

Models broadly agreeStation and Met Office guidance broadly agree · wind difference 1.3 kt · direction difference 11°
Forecast confidenceEstablished

Station 19:27 · forecast 19:17 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 19:27
Wind now19.0 kt
Wind directionSW225°
Gust, last hour30.4 kt
1-hour average18.8 kt
Temperature17.1°C
Rain now0.0 mm/h
3-hour wind trendSteady-0.8 kt/h

Marine model guidance

Sea state near Trearddur Bay

Updated hourly
Wave height1.5 mUp to 1.6 m in six hours
Wave period4.9 sLonger periods can carry more energy
Wave directionSSW211° from
Swell height0.2 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.

20:10
Likely unsuitable 18.8 kt S Gust 29.5 kt Rain 9% · Dark Low tide 18:47
Short course 195° magnetic Oppy 1R · Optimist 3R · Feva 10R Slow 10R · Myth 10R · Misc 18R · 1/2 Rater 18R Start Red · R = reverse
Local model
21:10
Likely unsuitable 20.4 kt SSW Gust 33.6 kt Rain 49% · Dark
Short course 195° magnetic Oppy 1R · Optimist 3R · Feva 10R Slow 10R · Myth 10R · Misc 18R · 1/2 Rater 18R Start Red · R = reverse
Local model
22:10
Likely unsuitable 21.6 kt SSW Gust 35.5 kt Rain 54% · Dark
Short course 210° magnetic Oppy 1R · Optimist 3R · Feva 10R Slow 10R · Myth 10R · Misc 18R · 1/2 Rater 18R Start Red · R = reverse
Local model
23:10
Likely unsuitable 21.3 kt SSW Gust 34.9 kt Rain 23% · Dark
Short course 210° magnetic Oppy 1R · Optimist 3R · Feva 10R Slow 10R · Myth 10R · Misc 18R · 1/2 Rater 18R Start Red · R = reverse
Local model
00:10
Likely unsuitable 21.8 kt SSW Gust 34.7 kt Rain 53% · Dark
Short course 210° magnetic Oppy 1R · Optimist 3R · Feva 10R Slow 10R · Myth 10R · Misc 18R · 1/2 Rater 18R Start Red · R = reverse
Local model
01:10
Likely unsuitable 21.1 kt SW Gust 33.1 kt Rain 22% · Dark
Short course 210° magnetic Oppy 1R · Optimist 3R · Feva 10R Slow 10R · Myth 10R · Misc 18R · 1/2 Rater 18R Start Red · R = reverse
Local model

Experimental local model

Next six hours

How the model works
20:10Likely unsuitable

18.8 kt S 187°

Likely 17.9–20.3 kt

Gust 29.5 kt

Chance of gust 18 kt or more: 100%
21:10Likely unsuitable

20.4 kt SSW 198°

Likely 19.8–21.9 kt

Gust 33.6 kt

Chance of gust 18 kt or more: 99%
22:10Likely unsuitable

21.6 kt SSW 204°

Likely 18.5–22.3 kt

Gust 35.5 kt

Chance of gust 18 kt or more: 98%
23:10Likely unsuitable

21.3 kt SSW 207°

Likely 18.6–22.0 kt

Gust 34.9 kt

Chance of gust 18 kt or more: 97%
00:10Likely unsuitable

21.8 kt SSW 209°

Likely 19.1–21.7 kt

Gust 34.7 kt

Chance of gust 18 kt or more: 96%
01:10Likely unsuitable

21.1 kt SW 215°

Likely 18.3–21.9 kt

Gust 33.1 kt

Chance of gust 18 kt or more: 94%

Independent cross-check

Met Office, next six hours

Strongest wind
23.0 kt
Strongest gust
34.0 kt
Rain chance
54%
Temperature
17–18°C
View the detailed Met Office forecast

Trearddur Bay

Today's tides