WWJP74 RJTD 080000 IMPORTANT WARNING FOR OTARU NAVTEX AREA 080000UTC ISSUED AT 080300UTC PRESSURE GRADIENT IS STEEP WARNING(NEAR GALE) SEA WEST OF SAKHALIN, SEA WEST OF HOKKAIDO, SEA OFF SOUTHERN COAST OF MARITIME PROVINCE WARNING(DENSE FOG) SEA WEST OF SAKHALIN, SEA WEST OF HOKKAIDO POOR VIS 0.3 MILES OR LESS IN PLACES NXT WARNING WILL BE ISSUED BEFORE 080900UTC =