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Wraysbury Lake Sailing Club
94a Welley Road
Wraysbury
Staines
Middlesex, TW19 5EP
Clubhouse No.
- 01784-483044
Club Mobile No.
- 07848-038698
Our sailing activities fall into these groups:
1. Sunday series races
2. Optimist training and racing
3. Youths on Boats activities
4. Summer Wednesday evenings
5. Training
6. General cruising.
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| Wind Force | Knots | WMO | Appearance of Wind Effects On the Water | Appearance On Land |
|---|---|---|---|---|
| 0 | Less than 1 | Calm | Sea surface smooth and mirror-like | Calm, smoke rises vertically |
| 1 | 1-3 | Light Air | Scaly ripples, no foam crests | Smoke drift indicates wind direction, still wind vanes |
| 2 | 4-6 | Light Breeze | Small wavelets, crests glassy, no breaking | Wind felt on face, leaves rustle, vanes begin to move |
| 3 | 7-10 | Gentle Breeze | Large wavelets, crests begin to break, scattered whitecaps | Leaves and small twigs constantly moving, light flags extended |
| 4 | 11-16 | Moderate Breeze | Small waves 1-4 ft. becoming longer, numerous whitecaps | Dust, leaves, and loose paper lifted, small tree branches move |
| 5 | 17-21 | Fresh Breeze | Moderate waves 4-8 ft taking longer form, many whitecaps, some spray | Small trees in leaf begin to sway |
| 6 | 22-27 | Strong Breeze | Larger waves 8-13 ft, whitecaps common, more spray | Larger tree branches moving, whistling in wires |
| 7 | 28-33 | Near Gale | Sea heaps up, waves 13-20 ft, white foam streaks off breakers | Whole trees moving, resistance felt walking against wind |
| 8 | 34-40 | Gale | Moderately high (13-20 ft) waves of greater length, edges of crests begin to break into spindrift, foam blown in streaks | Whole trees in motion, resistance felt walking against wind |
| 9 | 41-47 | Strong Gale | High waves (20 ft), sea begins to roll, dense streaks of foam, spray may reduce visibility | Slight structural damage occurs, slate blows off roofs |
| 10 | 48-55 | Storm | Very high waves (20-30 ft) with overhanging crests, sea white with densely blown foam, heavy rolling, lowered visibility | Seldom experienced on land, trees broken or uprooted, "considerable structural damage" |
| 11 | 56-63 | Violent Storm | Exceptionally high (30-45 ft) waves, foam patches cover sea, visibility more reduced | |
| 12 | 64+ | Hurricane | Air filled with foam, waves over 45 ft, sea completely white with driving spray, visibility greatly reduced |
| Hot links | Description | Comment |
|---|---|---|
| uk.weather.com | Next 3 days in half day summary format. | |
| weather online.co.uk | Next 3 days in one easy picture, little wind information | |
| Consult the BBC weather for Staines | Next 5 days 'at a glance'. | |
| and the BBC weather for Heathrow | Next 5 days 'at a glance' plus next 24 hrs in 3 hour intervals. | |
| Windguru | A Czech site based on larger sailing clubs. Click for the Queen Mary SC forecast for the next seven days. | |
| XCWeather | Site intended for small aircraft flyers. Hover your mouse over Heathrow for a five day wind direction and strength indication. | |
| Met Office forecast, SE England | London & South East England: forecast. Days 1 & 2, 3 to 5 and 6 to 15. | |
| Inshore waters, SE England | Met Office inshore waters forecast from North Foreland to Selsey Bill. (Margate to Chichester) | |
| Metcheck | Three hourly segments, easy to understand & up to date | |
| Synoptic charts | The next set of links give show weather maps with isobars and fronts. these are more technical to understand but tell you a lot more. | |
| Today's chart | Met Office charts from the German "Weather Central" site | |
| Tomorrow's chart | ||
| The next day (Today + 2) | ||
| Today +3 | ||
| Today + 4 | ||
| Next 9 days quick summary | ||
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