Gale warning

A gale warning is an advisory issued to warn people about forecast gale force winds. In the United States, warnings are issued by the National Weather Service to areas that will have winds within the range of 39 to 54 miles per hour or 63 to 69 km-h.

Example
The following is an example of a Gale Warning issued by the National Weather Service office in North Webster, Indiana.

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTHERN INDIANA
901 PM EDT WED OCT 29 2014

LMZ043-046-300915-
/O.CON.KIWX.GL.W.0014.141031T1200Z-141101T0900Z/
NEW BUFFALO MI TO ST JOSEPH MI-MICHIGAN CITY IN TO NEW BUFFALO MI-
901 PM EDT WED OCT 29 2014

...GALE WARNING REMAINS IN EFFECT FROM 8 AM FRIDAY TO 5 AM EDT
SATURDAY...

* WINDS...NORTHWEST 15 TO 25 KNOTS WITH GUSTS TO 30 KNOTS BY
  DAYBREAK FRIDAY...VEERING NORTH TO 35 KNOT GALES WITH GUSTS TO
  45 KNOT GALES FRIDAY. NORTH WINDS DIMINISHING TO 20 TO 30
  KNOTS WITH GUSTS TO 35 KNOT GALES LATE FRIDAY NIGHT.

* WAVES..5 TO 8 FEET LATE THURSDAY NIGHT...BUILDING TO 14 TO 20
  FEET FRIDAY...SUBSIDING TO 8 TO 12 FEET LATE FRIDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

&&

$$

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR
UPDATES...OR CHECK OUR WEB SITE AT WEATHER.GOV/IWX/?N=MARINE

References

Other websites
 Meteorological Service of Canada 

Category:Winds