Trearddur Bay sailing weather

Should I go sailing?

No clear window

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

Why: Wind now 21.0 kt from SSW; no two consecutive green forecast windows; next six hours 21.0–24.7 kt, gusting up to 37.5 kt; wind direction changing SSW to SW to SSW; rain chance up to 91%.

Models broadly agreeStation and Met Office guidance broadly agree · wind difference 2.4 kt · direction difference 28°
Forecast confidenceEstablished

Station 09:20 · forecast 09:18 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 09:20
Wind now21.0 kt
Wind directionSSW202°
Gust, last hour33.0 kt
1-hour average20.4 kt
Temperature15.2°C
Rain now0.0 mm/h
3-hour wind trendRapidly Increasing+2.5 kt/h

Marine model guidance

Sea state near Trearddur Bay

Updated hourly
Wave height1.1 mUp to 1.7 m in six hours
Wave period4.6 sLonger periods can carry more energy
Wave directionSW234° from
Swell height0.4 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.

10:10
Likely unsuitable 21.0 kt SSW Gust 34.0 kt Rain 5% · Daylight Low tide 09:11
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
11:10
Likely unsuitable 21.7 kt SW Gust 31.4 kt Rain 7% · Daylight
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
12:10
Likely unsuitable 23.1 kt SW Gust 33.8 kt Rain 50% · Daylight
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
13:10
Likely unsuitable 24.0 kt SW Gust 35.5 kt Rain 88% · Daylight
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
14:10
Likely unsuitable 24.6 kt SSW Gust 37.5 kt Rain 89% · Daylight High tide 14:58
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
15:10
Likely unsuitable 24.7 kt SSW Gust 36.8 kt Rain 91% · Daylight High tide 14:58
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
10:10Likely unsuitable

21.0 kt SSW 202°

Likely 20.4–22.7 kt

Gust 34.0 kt

Chance of gust 18 kt or more: 100%
11:10Likely unsuitable

21.7 kt SW 221°

Likely 20.6–23.4 kt

Gust 31.4 kt

Chance of gust 18 kt or more: 99%
12:10Likely unsuitable

23.1 kt SW 219°

Likely 20.9–25.6 kt

Gust 33.8 kt

Chance of gust 18 kt or more: 99%
13:10Likely unsuitable

24.0 kt SW 224°

Likely 21.8–26.3 kt

Gust 35.5 kt

Chance of gust 18 kt or more: 99%
14:10Likely unsuitable

24.6 kt SSW 211°

Likely 23.1–27.1 kt

Gust 37.5 kt

Chance of gust 18 kt or more: 98%
15:10Likely unsuitable

24.7 kt SSW 211°

Likely 24.3–27.2 kt

Gust 36.8 kt

Chance of gust 18 kt or more: 97%

Independent cross-check

Met Office, next six hours

Strongest wind
24.4 kt
Strongest gust
36.3 kt
Rain chance
91%
Temperature
14–15°C
View the detailed Met Office forecast

Trearddur Bay

Today's tides