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 16.0 kt from WSW; no two consecutive green forecast windows; next six hours 17.0–20.7 kt, gusting up to 28.2 kt; wind direction changing WSW to SW to WSW to W to WSW; rain chance up to 57%.

Models broadly agreeStation and Met Office guidance broadly agree · wind difference 0.4 kt · direction difference 42°
Forecast confidenceEstablished

Station 04:54 · 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 04:54
Wind now16.0 kt
Wind directionWSW248°
Gust, last hour22.6 kt
1-hour average16.2 kt
Temperature16.2°C
Rain now0.0 mm/h
3-hour wind trendIncreasing+1.8 kt/h

Marine model guidance

Sea state near Trearddur Bay

Updated hourly
Wave height1.2 mUp to 1.6 m in six hours
Wave period5.3 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
Marginal 17.0 kt SW Gust 21.7 kt Rain 7% · 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 17.3 kt WSW Gust 23.9 kt Rain 7% · Daylight
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
07:40
Likely unsuitable 19.0 kt W Gust 26.6 kt Rain 7% · Daylight
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
08:40
Likely unsuitable 19.4 kt WSW Gust 26.5 kt Rain 5% · Daylight Low tide 09:28
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
09:40
Likely unsuitable 20.7 kt WSW Gust 28.2 kt Rain 5% · Daylight Low tide 09:28
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
10:40
Likely unsuitable 20.6 kt WSW Gust 28.0 kt Rain 5% · Daylight Low tide 09:28
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

Experimental local model

Next six hours

How the model works
05:40Marginal

17.0 kt SW 226°

Likely 15.5–19.4 kt

Gust 21.7 kt

Chance of gust 18 kt or more: 96%
06:40Marginal

17.3 kt WSW 257°

Likely 14.7–17.8 kt

Gust 23.9 kt

Chance of gust 18 kt or more: 94%
07:40Likely unsuitable

19.0 kt W 260°

Likely 16.8–20.1 kt

Gust 26.6 kt

Chance of gust 18 kt or more: 91%
08:40Likely unsuitable

19.4 kt WSW 257°

Likely 17.5–21.6 kt

Gust 26.5 kt

Chance of gust 18 kt or more: 89%
09:40Likely unsuitable

20.7 kt WSW 254°

Likely 19.0–22.3 kt

Gust 28.2 kt

Chance of gust 18 kt or more: 91%
10:40Likely unsuitable

20.6 kt WSW 251°

Likely 18.6–21.9 kt

Gust 28.0 kt

Chance of gust 18 kt or more: 88%

Independent cross-check

Met Office, next six hours

Strongest wind
19.8 kt
Strongest gust
27.3 kt
Rain chance
57%
Temperature
16–16°C
View the detailed Met Office forecast

Trearddur Bay

Today's tides