Marine Forecast North Sea

January 29, 2017
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NATIONAL WEATHER SERVICE MARINE PRODUCTS VIA NOAA WEATHER RADIO

NOAA Weather Radio (NWR) frequencies & information

NOAA Weather Radio Frequencies

162.400 MHz (WX2)
162.425 MHz (WX4)
162.450 MHz (WX5)
162.475 MHz (WX3)
162.500 MHz (WX6)
162.525 MHz (WX7)
162.550 MHz (WX1)
Channel numbers, e.g. (WX1, WX2) etc. have no special significance but are often designated this way in consumer equipment. Other channel numbering schemes are also prevalent.

The NOAA Weather Radio network provides voice broadcasts of local and coastal marine forecasts on a continuous cycle. The forecasts are produced by local National Weather Service Forecast Offices. Coastal stations also broadcast predicted tides and real time observations from buoys and coastal meteorological stations operated by NOAA's National Data Buoy Center. Based on user demand, and where feasible, Offshore and Open Lake forecasts are broadcast as well.

COVERAGE FOR MARINE AREAS
See Marine NOAA Weather Radio Coverage for NWR coverage information in NWS marine areas of responsibility.

COVERAGE
The NOAA Weather Radio network provides near continuous coverage of the coastal U.S, Great Lakes, Hawaii, and populated Alaska coastline. Typical coverage is 25 nautical miles offshore, but may extend much further in certain areas.

To expand NOAA Weather Radio coverage in the State of Alaska, the National Weather Service (NWS) and U.S. Coast Guard are partnering to establish a network of low-power five-watt NOAA Weather Radio transmitters at 24 USCG "high" sites located from the Dixon Entrance to Bristol Bay. These low power transmitters operate on standard NWR frequencies under joint licensing with the NWS. See NWR at USCG Sites in Alaska.

Several NOAA Weather Radio transmitters operate as "Marine-Only", broadcasting marine information on a more rapid cycle than is possible with "All-Hazard" transmitters. These are typically established as part of a cooperative effort between the local marine community and the National Weather Service. For information on how to establish a "Marine-Only" NOAA Weather Radio transmitter in your area, contact the National Weather Service.

EQUIPMENT
Channel numbers, e.g. (WX1, WX2) etc. have no special significance but are often designated this way in consumer equipment. Other channel numbering schemes are also prevalent.

Many NOAA Weather Radio receivers are also programmed for three additional frequencies; 161.650 MHz (marine VHF Ch 21B), 161.775 MHz (marine VHF Ch 83B) and 163.275 MHz. The first two frequencies are used by Canada for marine weather broadcasts. 163.275 MHz was used by the National Weather Service for earlier weather broadcasts and later for internal coordination in the event of a power outage but is no longer in active use.

Most VHF marine radiotelephones have the ability to receive NOAA Weather Radio broadcasts. However, it is recommended that a separate NOAA Weather Radio receiver be carried aboard so that mariners may maintain a simultaneous watch on NOAA Weather Radio and marine VHF channels. Information on Rules Which Require Listening to your VHF Marine Radio are available courtesy of the U.S. Coast Guard Maritime Telecommunications Information Webpage.

AUDIO
Recorded voice broadcasts have been largely supplanted by a computer-synthesized voice.

Efforts continue to both expand the coverage of the NOAA Weather Radio network and improve the audio quality. The older computer-synthesized voice was a product of 6-year-old technology and has been replaced in response to user demands for a clearer, more human-sounding voice system.

STREAMING AUDIO, MP3 and PODCASTS
Streaming Audio is available for several NOAA Weather Radio transmitting stations. The number of stations carried live on the Internet has thus far been limited to sites with sufficient computer capacity to support the additional information load, and commercial sites who rebroadcast the program. The NWS is exploring cost-effective methods of providing a source for central access of this information.

Experimental recorded MP3 and Podcast files are available for a limited number marine areas such as Alaska. Check your local forecast office for availability.

1050 Hz TONE ALERTS
An automated 1050 Hz tone is transmitted to automatically turn on compatible NOAA Weather Radio receivers when a severe weather situation exists in the transmitters coverage area. Many (but not all) NOAA Weather Radio receivers incorporate this feature. Many VHF marine radiotelephones incorporate this feature, however, some require an active NOAA Weather Radio channel must be selected and used in a non-scanning mode for the highest level of effectiveness. Therefore, it is again recommended that a separate NOAA Weather Radio receiver be carried aboard so that mariners may maintain a simultaneous watch on NOAA Weather Radio and marine VHF channels.

Caution! - In accordance with national policy, at forecaster discretion, the 1050 Hz tone may not be transmitted for marine events. This is done to avoid frequently alerting users ashore and rendering the system impractical as a warning system for a large segment of the population.

SAME ALERTS
A digital encoding system incorporating newer technology known as Specific Area Message Encoding (SAME) allows receivers equipped with the SAME feature to sound an alert for only certain weather conditions or within a limited geographic area such as a county.

As of yet, few VHF marine radiotelephones contain the SAME feature. These require an active NOAA Weather Radio channel be selected and used in a non-scanning mode for the highest level of effectiveness. It is therefore again recommended that a separate NOAA Weather Radio receiver be carried aboard so that mariners may maintain a simultaneous watch on NOAA Weather Radio and marine VHF channels.

When using, the NOAA Weather Radio receiver must be programmed to the proper frequency, SAME geographic codes(s), and SAME event codes(s), in order to function as intended.

SAME GEOGRAPHIC CODES
SAME geographic codes are used to program SAME-capable NOAA Weather Radio receivers to receive alert messages for user-specified areas.

For a listing of marine SAME geographic codes, see NOAA WEATHER RADIO County by County Coverage or Marine Text Forecasts by Zone. NOTE...Although SAME geographic codes exist for offshore forecast zones, Great Lakes MAFOR's and forecast synopses, they are not broadcast on NOAA Weather Radio. Marine SAME geographic codes do not presently utilize the 'County Sub-section' of the SAME geographic code, and therefore, the SAME geographic code for all marine zones begin with a leading zero.

Caution! - Mariners should be aware that many marine zones do not extend inland to include tributaries such as rivers and smaller bays. Mariners in these areas should program their NOAA Weather Radio with the SAME geographic code of the appropriate county.

It is further recommended that mariners also program their receivers with the SAME geographic codes of neighboring land and marine areas to maintain a greater level of weather awareness.

Source: www.nws.noaa.gov
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