The following is a summary and quick reference guide of the U.S.C.G. text broadcasts of the OPC Offshore, NAVTEX, and High Seas Forecasts.

 

Standard Time

UTC difference	Atlantic	Eastern	Central	Mountain	Pacific	Alaska	Hawaii
	-4	-5	-6	-7	-8	-9	-10

 

High Frequency Voice Broadcast

HF Voice is an upper sideband (USB) radiotelephone voice synthesized broadcast ("Perfect Paul") of the High Seas and Offshore Forecasts:

 

FORECAST     USCG STATION     BROADCAST TIMES(UTC)      FREQUENCIES(kHZ)

HSFAT1/

OFFNT1/

OFFNT2          Chesapeake (NMN)    0330, 0500, 0930                   4426.0, 6501.0,8764.0

(CAMSLANT)            1130, 1600, 2200, 2300         6501.0, 8764.0, 13089.0

1730                                        8764.0, 13089.0, 17314.0

HSFEP1/

OFFPZ5/

OFFPZ6           Pt. Reyes (NMC)         0430, 1030                             4426.0, 8764.0, 13089.0

(CAMSPAC)               1630, 2230                               8764.0, 13089.0, 17314.0

 

High Frequency SITOR Broadcast

HF SITOR, also known as Narrow Band Direct Printing (NBDP), is a radiotelex broadcast of the High Seas Forecasts in a text form:

 

FORECAST     USCG STATION     BROADCAST TIMES(UTC)       FREQUENCIES(kHZ)

HSFAT1            Boston (NMF)             0140, 1630                                6314.0, 8416.5,

    12579.0, 16806.5

HSFEP1            Pt. Reyes (NMC)         0005, 1800                                8416.5, 16806.5

(CAMSPAC)

 

NAVTEX Broadcast

NAVTEX is a radiotelex broadcast of the Coastal and Offshore Forecasts in text form for near shore users at 518.0 kHZ:

 

FORECAST USCG STATION             BROADCAST TIMES(UTC)

OFFNT1            Boston (NMF)             0045, 0445, 0845, 1245, 1645, 2045

OFFNT2            Portsmouth, VA            0130, 0530, 0930, 1330, 1730, 2130

Chesapeake (NMN)(CAMSLANT) remotely operates the Portsmouth broadcast.

 

OFFPZ5            Astoria, OR                   0130, 0530, 0930, 1330, 1730, 2130

OFFPZ6            Cambria, CA               0045, 0445, 0845, 1245, 1645, 2045

OFFPZ6            Pt. Reyes, CA                   0000, 0400, 0800, 1200, 1600, 2000

Pt. Reyes (NMC)(CAMSPAC) remotely operates the Astoria and Cambria broadcasts.


03/22/04...PRV

Medium Range Broadcast

MF is a medium frequency radiotelephone voice broadcast of urgent marine information, including the Offshore Forecasts, at 2670.0 kHZ after first being announced on the distress, safety, and calling frequency 2182.0 kHZ.

 

FORECAST      USCG STATION                   BROADCAST TIMES(UTC)

OFFNT1            Woods Hole, MA                               0440, 1640

OFFNT1            Moriches, NY                                     0010, 1210

OFFNT1            Cape May, NJ                                    1103, 2203

OFFNT2            Eastern Shore, MD                              0233, 1403

OFFNT2            Hampton Roads, VA                           0203, 1333

OFFNT2            Cape Hatteras, NC                              0133, 1303

OFFNT2            Fort Macon, NC                                  0103, 1233

OFFNT2            Charleston, SC                                     0420, 1620

 

FORECAST             USCG STATION                   BROADCAST TIMES(UTC)

OFFPZ5                Port Angeles, WA                            0615, 1815

OFFPZ5                Astoria, OR                                      0533, 1733

OFFPZ5                North Bend, OR                               0603, 1803

OFFPZ6                Humbolt Bay, CA                             0303, 1503

OFFPZ6                San Francisco, CA                            0203, 1403

OFFPZ6                Los Angeles/Long Beach, CA            0503, 1303, 2103

 

Note: Numerous USCG stations make multiple VHF radiotelephone voice broadcasts at 156.8 mHZ VHF FM (Channel 16) and 157.1 mHZ VHF FM (Channel 22A). The typical coverage of these broadcasts is 25 NM offshore, so the Coastal Forecasts are primarily broadcast.

 

Legend:

HSFAT1 = Atlantic High Seas Text Forecast

HSFEP1 = Pacific High Seas Text Forecast

OFFNT1 = New England Offshore Text Forecast

OFFNT2 = Middle Atlantic Offshore Text Forecast

OFFPZ5 = Washington/Oregon Offshore Text Forecast

OFFPZ6 = California Offshore Text Forecast

03/22/04...PRV

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Last modified on Wednesday, January 19, 2005