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 25.0 kt from SSE; no two consecutive green forecast windows; next six hours 23.8–27.0 kt, gusting up to 42.1 kt; wind direction changing SSE to S to SSW; rain chance up to 97%; 1 active Met Office warning.

Models broadly agreeStation and Met Office guidance broadly agree · wind difference 3.8 kt · direction difference 6°
Forecast confidenceEstablished

Station 09:18 · forecast 09:17 Guidance only — not a go/no-go instruction. Check your ability, boat, sea state, tide and official warnings before sailing.

Active Met Office warning

Yellow: A spell of strong south to south-westerly winds may cause some disruption during Monday evening and the early hours of Tuesday. — South to south-westerly winds will increase from the west during Monday evening with gusts of 45-50 mph inland and 60-65 mph along exposed coasts and over high ground. The strong winds will be accompanied by heavy rain at times. Winds will then ease from the west during the early hours, before increasing again across northern parts of the UK early on Tuesday morning.

Read the official warning

Ravenspoint station

Conditions now

Updated 09:18
Wind now25.0 kt
Wind directionSSE158°
Gust, last hour40.8 kt
1-hour average24.3 kt
Temperature12.2°C
Rain now0.0 mm/h
3-hour wind trendRapidly Increasing+2.7 kt/h

Marine model guidance

Sea state near Trearddur Bay

Updated hourly
Wave height1.9 mUp to 2.8 m in six hours
Wave period5.8 sLonger periods can carry more energy
Wave directionSSW198° from
Swell height1.1 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.

Experimental local model

Next six hours

How the model works
10:10Likely unsuitable

25.1 kt SSE 156°

Likely 25.3–28.5 kt

Gust 40.7 kt

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

23.8 kt S 180°

Likely 23.0–26.7 kt

Gust 40.5 kt

Chance of gust 18 kt or more: 100%
12:10Likely unsuitable

25.4 kt SSW 208°

Likely 25.1–29.3 kt

Gust 39.3 kt

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

26.1 kt SSW 210°

Likely 25.7–29.6 kt

Gust 40.0 kt

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

27.0 kt SSW 208°

Likely 27.2–31.5 kt

Gust 41.7 kt

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

27.0 kt SSW 203°

Likely 26.9–32.8 kt

Gust 42.1 kt

Chance of gust 18 kt or more: 98%

Independent cross-check

Met Office, next six hours

Strongest wind
26.0 kt
Strongest gust
41.2 kt
Rain chance
97%
Temperature
11–16°C
View the detailed Met Office forecast

Trearddur Bay

Today's tides