Alert archive / California / Hazardous Seas Warnings in 2018
Hazardous Seas Warning 21, NWS Eureka, CA
NWS Eureka, CA issued this hazardous seas warning at Dec 19, 2018, 9:04 AM PST. It took effect at Dec 19, 2018, 12:00 PM PST. It was in force for 19 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 19, 2018, 9:04 AM PST (17:04 UTC)
- In effect from
- Dec 19, 2018, 12:00 PM PST
- Expired
- Dec 20, 2018, 7:00 AM PST
- In force
- 19 hr
- Issued by
- NWS Eureka, CA
The text
As transmitted.
443 WHUS76 KEKA 191704 MWWEKA Urgent - Marine Weather Message National Weather Service Eureka CA 904 AM PST Wed Dec 19 2018 PZZ450-200115- /O.EXT.KEKA.SC.Y.0110.000000T0000Z-181219T2000Z/ /O.NEW.KEKA.SE.W.0021.181219T2000Z-181220T1500Z/ /O.CON.KEKA.GL.W.0040.181220T1500Z-181220T2100Z/ Pt St George to Cape Mendocino out 10 nm- 904 AM PST Wed Dec 19 2018 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL NOON PST TODAY... ...HAZARDOUS SEAS WARNING IN EFFECT FROM NOON TODAY TO 7 AM PST THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 1 PM PST THURSDAY... The National Weather Service in Eureka has issued a Hazardous Seas Warning, which is in effect from noon today to 7 AM PST Thursday. * WINDS...Southerly 10 to 20 kt today. Strong southerly winds 25 to 35 kt will return again tonight and Thursday. * Waves/seas...West swell building to 15 to 18 feet 18 seconds by late afternoon today. In addition...Steep southerly waves of 6 to 9 feet building tonight through Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. A Hazardous Seas Warning means hazardous sea conditions are imminent or occurring. Recreational boaters should remain in port, or take shelter until waves subside. Commercial vessels should prepare for rough seas and consider remaining in port or taking shelter in port until hazardous seas subside. && $$ PZZ470-200115- /O.EXT.KEKA.SC.Y.0110.000000T0000Z-181219T2000Z/ /O.NEW.KEKA.SE.W.0021.181219T2000Z-181220T0900Z/ /O.CON.KEKA.GL.W.0040.181220T0900Z-181220T2100Z/ Pt St George to Cape Mendocino 10 to 60 nm- 904 AM PST Wed Dec 19 2018 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL NOON PST TODAY... ...HAZARDOUS SEAS WARNING IN EFFECT FROM NOON TODAY TO 1 AM PST THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 1 AM TO 1 PM PST THURSDAY... The National Weather Service in Eureka has issued a Hazardous Seas Warning, which is in effect from noon today to 1 AM PST Thursday. * WINDS...Southerly 10 to 10 kt today. South winds will increase again to 25 to 40 kt Wednesday night Thursday. * Waves/seas...West swell building to 15 to 18 feet 18 seconds by late afternoon today. In addition...Steep southerly waves of 9 to 11 feet building tonight through Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. A Hazardous Seas Warning means hazardous sea conditions are imminent or occurring. Recreational boaters should remain in port, or take shelter until waves subside. Commercial vessels should prepare for rough seas and consider remaining in port or taking shelter in port until hazardous seas subside. && $$ PZZ475-200115- /O.CON.KEKA.SC.Y.0110.000000T0000Z-181220T1500Z/ /O.CON.KEKA.GL.W.0040.181220T1500Z-181220T2100Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 904 AM PST Wed Dec 19 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 1 PM PST THURSDAY... * WINDS...Southerly 10 to 15 kt today. Strong southerly winds 20 to 30 kt will return again tonight and Thursday. * Waves/seas...West swell building to 14 to 17 feet 18 seconds by late afternoon today. In addition...Steep southerly waves of 6 to 9 feet building tonight through Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ455-200115- /O.CON.KEKA.SC.Y.0110.000000T0000Z-181221T2100Z/ Cape Mendocino to Pt Arena out 10 nm- 904 AM PST Wed Dec 19 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST FRIDAY... * WINDS...Southerly 10 to 15 kt today. Fresh southerly winds 15 to 25 kt will return again tonight and Thursday. * Waves/seas...West swell building to 14 to 17 feet 18 seconds by late afternoon today. In addition...Steep southerly waves of 6 to 8 feet building tonight through Thursday near Cape Mendocino. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$
5 follow-up statements
294 WHUS76 KEKA 192348 MWWEKA Urgent - Marine Weather Message National Weather Service Eureka CA 348 PM PST Wed Dec 19 2018 PZZ450-200800- /O.CON.KEKA.SE.W.0021.000000T0000Z-181220T1500Z/ /O.CON.KEKA.GL.W.0040.181220T1500Z-181220T2100Z/ Pt St George to Cape Mendocino out 10 nm- 348 PM PST Wed Dec 19 2018 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 7 AM PST THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 1 PM PST THURSDAY... * WINDS...Southerly rising to 10 to 20 kt overnight. Strong southerly winds 25 to 35 kt on Thursday. * Waves/seas...West swell building to 15 to 18 feet 18 seconds. In addition...Steep southerly waves of 6 to 9 feet building on Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. A Hazardous Seas Warning means hazardous sea conditions are imminent or occurring. Recreational boaters should remain in port, or take shelter until waves subside. Commercial vessels should prepare for rough seas and consider remaining in port or taking shelter in port until hazardous seas subside. && $$ PZZ470-200800- /O.CON.KEKA.SE.W.0021.000000T0000Z-181220T0900Z/ /O.CON.KEKA.GL.W.0040.181220T0900Z-181220T2100Z/ Pt St George to Cape Mendocino 10 to 60 nm- 348 PM PST Wed Dec 19 2018 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 1 AM PST THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 1 AM TO 1 PM PST THURSDAY... * WINDS...Southerly rising to 15 to 25 kt overnight. South winds will increase further to 25 to 35 kt on Thursday. * Waves/seas...West swell building to 15 to 18 feet 18 seconds. In addition...Steep southerly waves building to 9 to 11 feet on Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. A Hazardous Seas Warning means hazardous sea conditions are imminent or occurring. Recreational boaters should remain in port, or take shelter until waves subside. Commercial vessels should prepare for rough seas and consider remaining in port or taking shelter in port until hazardous seas subside. && $$ PZZ475-200800- /O.CON.KEKA.SC.Y.0110.000000T0000Z-181220T1500Z/ /O.CON.KEKA.GL.W.0040.181220T1500Z-181220T2100Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 348 PM PST Wed Dec 19 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 1 PM PST THURSDAY... * WINDS...Southerly 10 to 20 kt tonight. Strong southerly winds 20 to 30 kt with gusts to 35 kt on Thursday. * Waves/seas...West swell building to 14 to 17 feet 18 seconds. In addition...Steep southerly waves of 6 to 9 feet building late tonight through Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ455-200800- /O.CON.KEKA.SC.Y.0110.000000T0000Z-181221T2100Z/ Cape Mendocino to Pt Arena out 10 nm- 348 PM PST Wed Dec 19 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST FRIDAY... * WINDS...Southerly 5 to 15 kt today. Fresh southerly winds 15 to 25 kt on Thursday. * Waves/seas...West swell building to 14 to 17 feet 18 seconds by late afternoon tonight. In addition...Steep southerly waves of 6 to 8 feet building on Thursday near Cape Mendocino. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$
697 WHUS76 KEKA 200517 MWWEKA Urgent - Marine Weather Message National Weather Service Eureka CA 917 PM PST Wed Dec 19 2018 PZZ450-201330- /O.CON.KEKA.SE.W.0021.000000T0000Z-181220T1500Z/ /O.CON.KEKA.GL.W.0040.181220T1500Z-181220T2100Z/ Pt St George to Cape Mendocino out 10 nm- 917 PM PST Wed Dec 19 2018 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 7 AM THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 1 PM THURSDAY... * WINDS...S 10 to 20 kt overnight. Strong southerly winds 25 to 35 kt on Thursday. * WAVES...W swell building to 15 to 18 ft 18 seconds. In addition...steep southerly waves of 6 to 9 ft building on Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. A Hazardous Seas Warning means hazardous sea conditions are imminent or occurring. Recreational boaters should remain in port, or take shelter until waves subside. Commercial vessels should prepare for rough seas and consider remaining in port or taking shelter in port until hazardous seas subside. $$ PZZ470-201330- /O.CON.KEKA.SE.W.0021.000000T0000Z-181220T0900Z/ /O.CON.KEKA.GL.W.0040.181220T0900Z-181220T2100Z/ Pt St George to Cape Mendocino 10 to 60 nm- 917 PM PST Wed Dec 19 2018 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 1 AM THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 1 AM TO 1 PM THURSDAY... * WINDS...S rising to 15 to 25 kt overnight. S winds will increase further to 25 to 35 kt on Thursday. * WAVES...W swell building to 15 to 18 ft 18 seconds. In addition...steep southerly waves building to 9 to 11 ft on Thursday PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. A Hazardous Seas Warning means hazardous sea conditions are imminent or occurring. Recreational boaters should remain in port, or take shelter until waves subside. Commercial vessels should prepare for rough seas and consider remaining in port or taking shelter in port until hazardous seas subside. $$ PZZ475-201330- /O.CON.KEKA.SC.Y.0110.000000T0000Z-181220T1500Z/ /O.CON.KEKA.GL.W.0040.181220T1500Z-181220T2100Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 917 PM PST Wed Dec 19 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 1 PM THURSDAY... * WINDS...S 10 to 20 kt tonight. Strong southerly winds 20 to 30 kt with gusts to 35 kt on Thursday. * WAVES...W swell building to 14 to 17 ft 18 seconds. In addition...steep southerly waves of 6 to 9 ft building late tonight through Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. $$ PZZ455-201330- /O.CON.KEKA.SC.Y.0110.000000T0000Z-181221T2100Z/ Cape Mendocino to Pt Arena out 10 nm- 917 PM PST Wed Dec 19 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM FRIDAY... * WINDS...S 15 to 25 kt on Thursday. * WAVES...W swell building to 14 to 17 ft 18 seconds tonight. In addition...steep southerly waves of 6 to 8 ft building on Thursday near Cape Mendocino. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. $$
910 WHUS76 KEKA 200848 MWWEKA Urgent - Marine Weather Message National Weather Service Eureka CA 1248 AM PST Thu Dec 20 2018 PZZ470-201700- /O.EXP.KEKA.SE.W.0021.000000T0000Z-181220T0900Z/ /O.CON.KEKA.GL.W.0040.181220T0900Z-181220T2100Z/ Pt St George to Cape Mendocino 10 to 60 nm- 1248 AM PST Thu Dec 20 2018 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... * WINDS...S rising to 15 to 25 kt overnight. S winds will increase further to 25 to 35 kt on Thursday. * WAVES...W swell building to 15 to 17 ft 18 seconds. In addition...steep southerly waves building to 9 to 11 ft on Thursday morning PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ450-201700- /O.CON.KEKA.SE.W.0021.000000T0000Z-181220T1500Z/ /O.CON.KEKA.GL.W.0040.181220T1500Z-181220T2100Z/ Pt St George to Cape Mendocino out 10 nm- 1248 AM PST Thu Dec 20 2018 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 7 AM PST THIS MORNING... ...GALE WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 1 PM PST THIS AFTERNOON... * WINDS...S 10 to 20 kt overnight. Strong southerly winds 25 to 35 kt on Thursday. * WAVES...W swell building to 15 to 18 ft 18 seconds. In addition...steep southerly waves of 6 to 9 ft building on Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. A Hazardous Seas Warning means hazardous sea conditions are imminent or occurring. Recreational boaters should remain in port, or take shelter until waves subside. Commercial vessels should prepare for rough seas and consider remaining in port or taking shelter in port until hazardous seas subside. $$ PZZ475-201700- /O.CON.KEKA.SC.Y.0110.000000T0000Z-181220T1500Z/ /O.CON.KEKA.GL.W.0040.181220T1500Z-181220T2100Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 1248 AM PST Thu Dec 20 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST THIS MORNING... ...GALE WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 1 PM PST THIS AFTERNOON... * WINDS...S 10 to 20 kt tonight. Strong southerly winds 20 to 30 kt with gusts to 35 kt on Thursday. * WAVES...W swell building to 14 to 17 ft 18 seconds. In addition...steep southerly waves of 6 to 9 ft building late tonight through Thursday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. $$ PZZ455-201700- /O.CON.KEKA.SC.Y.0110.000000T0000Z-181221T2100Z/ Cape Mendocino to Pt Arena out 10 nm- 1248 AM PST Thu Dec 20 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST FRIDAY... * WINDS...S 15 to 25 kt on Thursday. * WAVES...W swell building to 14 to 17 ft 18 seconds tonight. In addition...steep southerly waves of 6 to 8 ft building on Thursday near Cape Mendocino. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. $$
059 WHUS76 KEKA 201109 MWWEKA Urgent - Marine Weather Message National Weather Service Eureka CA 309 AM PST Thu Dec 20 2018 PZZ450-201915- /O.CON.KEKA.SE.W.0021.000000T0000Z-181220T1500Z/ /O.CON.KEKA.GL.W.0040.181220T1500Z-181220T2100Z/ Pt St George to Cape Mendocino out 10 nm- 309 AM PST Thu Dec 20 2018 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 7 AM PST THIS MORNING... ...GALE WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 1 PM PST THIS AFTERNOON... * WINDS...Strong southerly winds 25 to 35 kt. * WAVES...W swell building to 12 to 14 ft at 15 seconds. In addition...steep southerly waves of 7 to 9 ft building today. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. A Hazardous Seas Warning means hazardous sea conditions are imminent or occurring. Recreational boaters should remain in port, or take shelter until waves subside. Commercial vessels should prepare for rough seas and consider remaining in port or taking shelter in port until hazardous seas subside. $$ PZZ475-201915- /O.CON.KEKA.SC.Y.0110.000000T0000Z-181220T1500Z/ /O.CON.KEKA.GL.W.0040.181220T1500Z-181220T2100Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 309 AM PST Thu Dec 20 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST THIS MORNING... ...GALE WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 1 PM PST THIS AFTERNOON... * WINDS...Strong southerly winds 20 to 30 kt with gusts to 40 kt. * WAVES...W swell building to 12 to 14 ft 15 seconds. In addition...steep southerly waves of 8 to 10 ft building today. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. $$ PZZ470-201915- /O.CON.KEKA.GL.W.0040.000000T0000Z-181220T2100Z/ Pt St George to Cape Mendocino 10 to 60 nm- 309 AM PST Thu Dec 20 2018 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... * WINDS... S winds 25 to 35 kt * WAVES...W swell building to 11 to 13 ft 16 seconds. In addition...steep southerly waves building to 8 to 10 ft today. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ455-201915- /O.CON.KEKA.SC.Y.0110.000000T0000Z-181221T2100Z/ Cape Mendocino to Pt Arena out 10 nm- 309 AM PST Thu Dec 20 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST FRIDAY... * WINDS...S winds 15 to 25 kt * WAVES...W swell building to 11 to 13 ft 16 seconds tonight. In addition...steep southerly waves of 6 to 8 ft building today... largest near Cape Mendocino. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. $$
070 WHUS76 KEKA 201447 MWWEKA Urgent - Marine Weather Message National Weather Service Eureka CA 647 AM PST Thu Dec 20 2018 PZZ450-202100- /O.EXP.KEKA.SE.W.0021.000000T0000Z-181220T1500Z/ /O.CON.KEKA.GL.W.0040.181220T1500Z-181220T2100Z/ Pt St George to Cape Mendocino out 10 nm- 647 AM PST Thu Dec 20 2018 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... * WINDS...Strong southerly winds 25 to 35 kt. * WAVES...W swell building to 12 to 14 ft at 15 seconds. In addition...steep southerly waves of 7 to 9 ft building today. PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ475-202100- /O.EXP.KEKA.SC.Y.0110.000000T0000Z-181220T1500Z/ /O.CON.KEKA.GL.W.0040.181220T1500Z-181220T2100Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 647 AM PST Thu Dec 20 2018 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... * WINDS...Strong southerly winds 20 to 30 kt with gusts to 40 kt. * WAVES...W swell building to 12 to 14 ft 15 seconds. In addition...steep southerly waves of 8 to 10 ft building today. PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ470-202100- /O.CON.KEKA.GL.W.0040.000000T0000Z-181220T2100Z/ Pt St George to Cape Mendocino 10 to 60 nm- 647 AM PST Thu Dec 20 2018 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... * WINDS... S winds 25 to 35 kt * WAVES...W swell building to 11 to 13 ft 16 seconds. In addition...steep southerly waves building to 8 to 10 ft today. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ455-202300- /O.CON.KEKA.SC.Y.0110.000000T0000Z-181221T2100Z/ Cape Mendocino to Pt Arena out 10 nm- 647 AM PST Thu Dec 20 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST FRIDAY... * WINDS...S winds 15 to 25 kt * WAVES...W swell building to 11 to 13 ft 16 seconds tonight. In addition...steep southerly waves of 6 to 8 ft building today... largest near Cape Mendocino. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 19, 4:24 AM PST | Gale Warning | EKA | 33 hr | |
| Dec 19, 9:06 AM PST | High Surf Advisory | EKA | Del Norte, Humboldt, Mendocino | 18 hr |
Nearby
Hazardous Seas Warnings in California, 2018Every hazardous seas warning in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.