Trearddur Bay sailing weather

Should I go sailing?

No clear window

No clearly suitable period; least risky conditions are around 05:40.

Why: Wind now 10.0 kt from SW; no two consecutive green forecast windows; next six hours 13.5–15.8 kt, gusting up to 21.3 kt; wind direction remaining SW; rain chance up to 4%.

Models broadly agreeStation and Met Office guidance broadly agree · wind difference 1.2 kt · direction difference 16°
Forecast confidenceEstablished

Station 04:51 · 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 04:51
Wind now10.0 kt
Wind directionSW225°
Gust, last hour18.2 kt
1-hour average12.9 kt
Temperature15.9°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 height0.8 mUp to 0.9 m in six hours
Wave period4.5 sLonger periods can carry more energy
Wave directionWSW244° 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.

05:40
Likely suitable 13.5 kt SW Gust 18.2 kt Rain 1% · 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 14.4 kt SW Gust 21.3 kt Rain 1% · Daylight Low tide 07:11
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
07:40
Marginal 13.7 kt SW Gust 18.8 kt Rain 4% · Daylight Low tide 07:11
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
08:40
Marginal 15.6 kt SW Gust 20.5 kt Rain 1% · Daylight Low tide 07:11
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
09:40
Marginal 15.8 kt SW Gust 20.6 kt Rain 4% · 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
10:40
Marginal 15.2 kt SW Gust 21.2 kt Rain 4% · 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

Experimental local model

Next six hours

How the model works
05:40Likely suitable

13.5 kt SW 224°

Likely 12.1–14.6 kt

Gust 18.2 kt

Chance of gust 18 kt or more: 72%
06:40Marginal

14.4 kt SW 228°

Likely 13.3–16.2 kt

Gust 21.3 kt

Chance of gust 18 kt or more: 70%
07:40Marginal

13.7 kt SW 221°

Likely 12.5–16.2 kt

Gust 18.8 kt

Chance of gust 18 kt or more: 76%
08:40Marginal

15.6 kt SW 226°

Likely 14.2–17.7 kt

Gust 20.5 kt

Chance of gust 18 kt or more: 78%
09:40Marginal

15.8 kt SW 228°

Likely 14.4–17.4 kt

Gust 20.6 kt

Chance of gust 18 kt or more: 80%
10:40Marginal

15.2 kt SW 226°

Likely 13.8–17.6 kt

Gust 21.2 kt

Chance of gust 18 kt or more: 82%

Independent cross-check

Met Office, next six hours

Strongest wind
15.8 kt
Strongest gust
20.6 kt
Rain chance
4%
Temperature
15–17°C
View the detailed Met Office forecast

Trearddur Bay

Today's tides