YachtCom - WeatherFax | RTTY weather | Navtex | Weather via SSB radio | weather decoding software | Weatherfax receivers | Eton G3

Marine Weather
weather bulletins received free via SSB

Weather Information is transmitted by speech, text and fax on the HF bands. If you have access to an SSB receiver or an SSB transceiver you should have no problem receiving any of these transmissions, to decode weather fax and text message you will need to have a computer and appropriate software.

UK Weather Fax transmissions

Broadcast schedule and frequencies for Northwood (GYA), England.
GYA Frequencies Broadcast Type Times in UTC/GMT
2618.5 (2616.6) kHz*
4610 (4608.1) kHz
8040 (8038.1) kHz
11086.5 (11084.6) kHz
18261 (18259.1) kHz*
Surface Analysis 0300, 0400, 0500, 0900, 1100, 1200, 1500, 1800, 2100, 2300.
Surface prog T24 0524, 0800, 1000, 1300, 1736, 2200.
Wind 0812, 2112
Fronts Centres 0848, 0912, 1124, 1136, 1400, 1600, 1700, 2000, 2012, 2024, 2036,
Gale Summary 0348, 0600, 0700, 1148, 1548, 1900,
Sea Swell 0924, 1912,

Example weather fax picture from Northwood


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World-wide weatherfax stations

There is a worldwide network of stations transmitting weather fax pictures.

STATION Country CALLSIGN FREQUENCY
CHARLEVILLE AUSTRALIA VMC 2628 kHz, 5100 kHz, 11030 kHz, 13920 kHz, 20469 kHz
WILUNA AUSTRALIA VMW 5755 kHz, 7535 kHz, 10555 kHz, 15615 kHz, 18060 kHz
RIO DE JANEIRO BRAZIL PWZ 12665 kHz, 16978 kHz
HALIFAX, NOVA SCOTIA CANADA CFH 4271 kHz, 6496.4 kHz, 10536 kHz, 13510 kHz
VALPARAISO PLAYA ANCHA CHILE CBV 4228.0 kHz, 8677.0 kHz, 17146.4 kHz
BEIJING (PEKING) CHINA BAF 5526.9 kHz, 8121.9 kHz, 10116.9 kHz, 14366.9 kHz, 16025.9 kHz, 18236.9 kHz
TAIPEI CHINA BMF 4616 kH, 8140 kHz, 13900 kHz, 18560 kHz
HAMBURG GERMANY DDH 3855 kHz, 7880 kHz, 13882.5 kHz
ATHENS GREECE SVJ 4481 kHz, 8105 kHz
KYODO NEWS AGENCY JAPAN JJC 4316 kHz, 8467.5 kHz, 12745.5 kHz, 16971 kHz, 17069.6 kHz, 22542 kHz
TOKYO JAPAN JMH 3622.5 kHz, 7795 kHz, 13988.5 kHz
SEOUL KOREA HLL2 3585 kHz, 5857.5 kHz, 7433.5 kHz, 9165 kHz, 13570 kHz
MURMANSK RUSSIA RBW 5336 kHz, 7908.8 kHz, 10130 kHz
BANGKOK THAILAND HSW64 7395 kHz
NORTHWOOD UK GYA 2618.5 kHz, 4610 kHz, 8040 kH, 11086.5 kHz
KODIAK, ALASKA USA NOJ 2054 kHz, 4298 kHz, 8459 kHz, 12412.5 kHz
PT. REYES, CALIFORNIA USA NMC 4346 kHz, 8682 kHz, 12786 kHz, 17151.2 kHz, 22527 kHz
HONOLULU, HAWAII USA KVM 9982.5 kHz, 11090 kHz, 16135 kHz
NEW ORLEANS, LOUISIANA USA NMG 4317.9 kHz, 8503.9 kHz, 12789.9 kHz, 17146.4 kHz
BOSTON, MASSACHUSETTS USA NMF 4235 kHz, 6340.5 kHz, 9110 kHz, 12750 kHz
       

When receiving weatherfax broadcasts, use USB mode and tune 1.9 kHz low of frequencies.
e.g. 3855 kHz tune to 3853.1 kHz
Not all stations are 24 hour operation

Example weather fax picture transmitted from Offenbach - Germany

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Text Weather Transmissions

Weather broadcast are transmitted by text:-
World-wide
NAVTEX
US Coastguard
using Sitor (NBDP)
German weather
service Hamburg
Greece weather
using Sitor (NBDP)
490 (488.5) kHz 6314 (6312.5) kHz 4583 (4581.5) kHz 8424 (8422.5) kHz
518 (516.5) kHz 8416.5 (8415.0) kHz 7646 (7644.5) kHz
4209.5 (4208.0) kHz 12376 (12374.5) kHz 10100.8 (10099.3) kHz  
  16806.5 (16805.0) kHz    
International NAVTEX is transmitted on 518 kHz in English.
National NAVTEX is transmitted on 490 kHz in local language.
4209.5 kHz NAVTEX
Transmits from more than 1 location.
Speed = 75 Baud
RTTY
Speed = 50 Baud
Times 0930 & 2130 UTC
rest of time callsign SVO being sent in Morse code

Example of RTTY from Germany

Example of sitor from Greece


NOTE: Range is for guidance only and will depend on your operating conditions and HF radio propagation conditions.
When receiving RTTY or NAVTEX broadcasts, use USB mode and tune 1.5 kHz low of frequencies.
e.g. 8424 kHz tune to 8422.5 kHz or NAVTEX on 518 kHz tune to 516.5kHz.
(USB frequency) Tune to the frequency in () on a USB receiver.
Not all stations are 24 hour operation.


Aeronautical Weather Transmissions

Weather information is transmitted on the Aeronautical band and gives the current weather conditions at airports around Europe.
VOLMET Frequency Times
Shannon Volmet 3413 kHz
5505 kHz
8921 kHz
11306 kHz
13264 kHz
  • On the hour and half hour:-
    • 0:00 Frankfurt, Brussels, Hamburg, Frankfurt, Bonn, Munich
    • 0:05 London, Amsterdam, Manchester, Shannon, Prestwick
    • 0:10 Copenhagen, Stockholm, Oslo, Helsinki, Dublin
    • 0:15 Madrid, Lisbon, Athens, Paris, Leon
    • 0:20 Rome, Milan, Zurich, Geneva
  • Information and format of transmission for each airport includes:-
    • Station & Time recorded
    • Wind speed & direction
    • CAV OK = Visibility, weather and cloud good.
    • Visibility
    • Weather
    • Cloud height in feet.
    • Temperature & Due Point
    • QNH = Air pressure
    • NO SIG = No significant change.
RAF Volnet 5450 kHz
11253 kHz
24 hours service
New York Radio 6604 kHz,
10051 kHz,
13270 kHz
24 hours service
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