When coast radio and coast guard stations around the Pacific broadcast high-seas weather forecasts and warnings on HF, on the timelines of your cities and in your own time zone.
The Pacific is too large for medium wave, so its weather comes on HF. The US Coast Guard reads high-seas forecasts by voice from Honolulu, Guam and Kodiak, and Honolulu and Guam also send them as text on the HF NAVTEX frequency, 22376 kHz. Taupo Maritime Radio in New Zealand covers New Zealand waters and the South-West Pacific on six bands, about a dozen times a day, and the Thai meteorological radio broadcasts for South East Asia from Bangkok. These are the broadcasts that cruising yachts on a Pacific crossing plan their day around.
The stations span time zones from UTC−10 in Hawaii to UTC+12 in New Zealand, across the date line, and New Zealand changes its clocks in the opposite season to Alaska. A UTC schedule is hard to follow aboard; this calendar follows the EiBi schedule and places each broadcast at its local time in each of your cities.
Select a broadcast to see its frequencies, the transmitter and the language, with a link to listen on an online SDR receiver.
Taupo Maritime Radio (ZLM) broadcasts on 2207, 4146, 6224, 8297, 12356 and 16531 kHz, about a dozen times a day, with forecasts for New Zealand waters and the South-West Pacific.
Honolulu (NMO) uses 6501, 8764 and 13089 kHz, Guam (NRV) 6501 and 13089 kHz, each four times a day; Kodiak (NOJ) uses 6501 kHz twice a day. All are upper sideband (USB) voice.
Honolulu and Guam also send weather and navigational warnings as text on the HF NAVTEX frequency 22376 kHz, decoded with SITOR-B software.
Yes: the Thai meteorological radio broadcasts in English and Thai on 6765.1 and 8743 kHz in two-hour blocks around the clock.
In Shortwave. Perfect Clock — a world clock with your calendar across time zones.