Requesting the file directly allows one to get the GRIBs when the radio is manned and are ready. These servers respond within a 1-2 minutes with the requested data. Although you can automate the process, getting weather products dirctly via SSB requires the radio to be on, a modem connected, and a computer connected during the time of broadcast.Īn alternative method to get GRIBs is to use an email service such as SailDocs (the originator of this service), or the many services that now that now provide GRIBs upon request. File size depends upon the amount of data requested and can be from a few tens of Kb upwards. The SSB allows you to receive text, charts, and GRIBS (gridded binary “raw” weather data files generated by the US NOAA/NCEP). But, particularly for a delivery skipper who moves from boat to boat, it has some shortcomings that modern alternatives have overcome. The PS archives library has a wide range of articles on this topic, found by searching under the term “weather.”Ī fix mounted SSB radio remains an important part of communications for offshore vessels. Keep in mind that my decision was based on my particular needs as a delivery skipper-many sailors will have other priorities. Satellite messenger, such as Garmin inReach Explorer+.Įach of these methods have their own strengths and weaknesses. Satellite telephone, such as the Iridium 9575.Ħ. Black box satellite weather devices like Sirius XM.ĥ. SSB receiver, often temporarily mounted, although it could be a permanently installed.Ĥ. Single side band (SSB) transceiver, almost always through a permanently mounted.Ģ. Once outside the range of NOAA VHF radio broadcasts there are six general methods of getting weather aboard: Iridium provides nearly global coverage via a constellation of satellites.ġ.

The first step in evaluating how to get weather at sea was to identify the options. In this part one of a two-part series, I’ll describe some of the options for obtaining weather data.

After exploring several options, I finally settled on a satellite-based system that not only enables me to get affordable, accurate forecasts, but is portable enough to take with me from boat to boat.

As a USCG Master who does offshore deliveries, I rely on accurate and current weather forecasts.

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