AIS Message Definitions

AIS Message: sls_weatherreport (366 316:1:2)

Description:

St Lawrance Seaway wind information

Name NumberOfBits ArrayLength Type Units Description
time_month 4 uint Time tag of measurement month 1..12
time_day 5 uint Time tag of measurement day of the month 1..31
time_hour 5 uint Time tag of measurement UTC hours 0..23
time_min 6 uint Time tag of measurement minutes
stationid 6 7 aisstr6 Character identifier of the station
pos_longitude 25 decimal degrees Location of measurement East West location
pos_latitude 24 decimal degrees Location of measurement North South location
speed 10 udecimal kts Average wind speed
102.2: 102.2 kts or greater
gust 10 udecimal kts Wind gust
102.2: 102.2 kts or greater
direction 9 uint degrees Wind direction
atmpressure 14 udecimal millibars Atmospheric pressure
airtemp 10 decimal Celsius Air temperature
-51.1: -51.1 degrees C or lower
51.1: 51.1 degrees C or greater
dewpoint 10 decimal Celsius Dew Point
-51.1: -51.1 degrees C or lower
51.1: 51.1 degrees C or greater
visibility 8 udecimal km Visibility
25.4: 25.4 km or greater
watertemp 10 decimal Celsius Water Temperature
-51.1: -51.1 degrees C or lower
51.1: 51.1 degrees C or greater
reserved 4 uint Reserved bits for future use