Aviation Digital Data Service (ADDS)

Output produced by TAFs form (1154 UTC 21 October 2014)
found at http://www.aviationweather.gov/adds/tafs/
 
Forecast for: KSFO (SAN FRANCISCO , CA, US)
Text: KSFO 211128Z 2112/2218 25005KT P6SM SKC
Forecast period: 1200 to 2100 UTC 21 October 2014
Forecast type: FROM: standard forecast or significant change
Winds: from the WSW (250 degrees) at 6 MPH (5 knots; 2.6 m/s)
Visibility: 6 or more miles (10+ km)
Clouds: clear skies
Weather: no significant weather forecast for this period
Text: FM212100 28015KT P6SM SKC
Forecast period: 2100 UTC 21 October 2014 to 0300 UTC 22 October 2014
Forecast type: FROM: standard forecast or significant change
Winds: from the W (280 degrees) at 17 MPH (15 knots; 7.8 m/s)
Visibility: 6 or more miles (10+ km)
Clouds: clear skies
Weather: no significant weather forecast for this period
Text: FM220300 28006KT P6SM SKC
Forecast period: 0300 to 1800 UTC 22 October 2014
Forecast type: FROM: standard forecast or significant change
Winds: from the W (280 degrees) at 7 MPH (6 knots; 3.1 m/s)
Visibility: 6 or more miles (10+ km)
Clouds: clear skies
Weather: no significant weather forecast for this period