Alert archive / California / Small Craft Advisories in 2018
Small Craft Advisory 21, NWS Eureka, CA
NWS Eureka, CA issued this small craft advisory at Feb 17, 2018, 3:00 PM PST. It took effect at Feb 17, 2018, 9:00 PM PST. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Feb 17, 2018, 3:00 PM PST (23:00 UTC)
- In effect from
- Feb 17, 2018, 9:00 PM PST
- Expired
- Feb 18, 2018, 8:22 AM PST
- In force
- 11 hr
- Issued by
- NWS Eureka, CA
The text
As transmitted.
573 WHUS76 KEKA 172300 MWWEKA Urgent - Marine Weather Message National Weather Service Eureka CA 300 PM PST Sat Feb 17 2018 PZZ475-180700- /O.UPG.KEKA.SC.Y.0020.000000T0000Z-180220T0500Z/ /O.NEW.KEKA.GL.W.0008.180218T1700Z-180219T2300Z/ /O.NEW.KEKA.SC.Y.0021.180218T0500Z-180218T1700Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 300 PM PST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 9 AM PST SUNDAY... ...GALE WARNING IN EFFECT FROM 9 AM SUNDAY TO 3 PM PST MONDAY... The National Weather Service in Eureka has issued a Gale Warning, which is in effect from 9 AM Sunday to 3 PM PST Monday. A Small Craft Advisory has also been issued. This Small Craft Advisory is in effect from 9 PM this evening to 9 AM PST Sunday. * WINDS...N 10 to 20 kt with gusts to 25 kt today. N winds will increase to 25 to 35 kt with occasional gusts up to 40 kt for Sunday and Monday. * WAVES...Combined seas of 8 to 11 ft. A large and long period swell will build into the waters on Sunday and Monday. In addition, steep short period waves will build into the area from the strong northerly winds. The result will be combined seas of 20 to 25 feet. 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. && $$ PZZ470-180700- /O.EXT.KEKA.SC.Y.0020.180218T0500Z-180218T1700Z/ /O.NEW.KEKA.GL.W.0008.180218T1700Z-180219T2300Z/ Pt St George to Cape Mendocino 10 to 60 nm- 300 PM PST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 PM THIS EVENING TO 9 AM PST SUNDAY... ...GALE WARNING IN EFFECT FROM 9 AM SUNDAY TO 3 PM PST MONDAY... The National Weather Service in Eureka has issued a Gale Warning, which is in effect from 9 AM Sunday to 3 PM PST Monday. * WINDS...N 10 to 15 kt with gusts to 20 kt today. N winds will increase to 25 to 35 kt with occasional gusts up to 40 kt for Sunday and Monday. * WAVES...Combined seas around 8 ft today. A large and long period swell will build into the waters on Sunday and Monday. In addition, steep short period waves will build into the area from the strong northerly winds. The result will be combined seas of 20 to 25 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ450-180700- /O.EXT.KEKA.SC.Y.0020.180218T1100Z-180218T2300Z/ /O.NEW.KEKA.SE.W.0003.180218T2300Z-180219T2300Z/ Pt St George to Cape Mendocino out 10 nm- 300 PM PST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 3 AM TO 3 PM PST SUNDAY... ...HAZARDOUS SEAS WARNING IN EFFECT FROM 3 PM SUNDAY TO 3 PM PST MONDAY... The National Weather Service in Eureka has issued a Hazardous Seas Warning, which is in effect from 3 PM Sunday to 3 PM PST Monday. * WINDS...N 5 to 15 kt increasing to 20 to 30 kt on Sunday. * WAVES/SEAS...Combined seas around 5 to 8 ft today. A large and long period swell will build into the waters on Sunday and Monday. In addition, steep short period waves will build into the area from the strong northerly winds. The result will be combined seas of 15 to 20 feet. 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 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. && $$ PZZ455-180700- /O.EXT.KEKA.SC.Y.0020.180218T1100Z-180219T2300Z/ Cape Mendocino to Pt Arena out 10 nm- 300 PM PST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 3 AM SUNDAY TO 3 PM PST MONDAY... * WINDS...N 5 to 15 kt increasing to 20 to 25 kt on Sunday. * WAVES/SEAS...Combined seas around 5 to 8 ft today. A large and long period swell will build into the waters on Sunday and Monday. In addition, steep short period waves will build into the area from the strong northerly winds. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$
3 follow-up statements
900 WHUS76 KEKA 180435 MWWEKA Urgent - Marine Weather Message National Weather Service Eureka CA 835 PM PST Sat Feb 17 2018 PZZ470-181245- /O.CON.KEKA.SC.Y.0020.180218T0500Z-180218T1700Z/ /O.CON.KEKA.GL.W.0008.180218T1700Z-180219T2300Z/ Pt St George to Cape Mendocino 10 to 60 nm- 835 PM PST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST SUNDAY... ...GALE WARNING REMAINS IN EFFECT FROM 9 AM SUNDAY TO 3 PM PST MONDAY... * WINDS...N 10 to 15 kt with gusts to 20 kt tonight. N winds will increase to 25 to 35 kt with occasional gusts up to 40 kt for Sunday and Monday. * WAVES...A large and long period swell will build into the waters on Sunday and Monday. In addition, steep short period waves will build into the area from the strong northerly winds. The result will be combined seas of 20 to 25 feet. 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. && $$ PZZ475-181245- /O.CON.KEKA.SC.Y.0021.180218T0500Z-180218T1700Z/ /O.CON.KEKA.GL.W.0008.180218T1700Z-180219T2300Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 835 PM PST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST SUNDAY... ...GALE WARNING REMAINS IN EFFECT FROM 9 AM SUNDAY TO 3 PM PST MONDAY... * WINDS...N 10 to 20 kt with gusts to 25 kt tonight. N winds will increase to 25 to 35 kt with occasional gusts up to 40 kt for Sunday and Monday. * WAVES...A large and long period swell will build into the waters on Sunday and Monday. In addition, steep short period waves will build into the area from the strong northerly winds. The result will be combined seas of 20 to 25 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ450-181245- /O.CON.KEKA.SC.Y.0020.180218T1100Z-180218T2300Z/ /O.CON.KEKA.SE.W.0003.180218T2300Z-180219T2300Z/ Pt St George to Cape Mendocino out 10 nm- 835 PM PST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM TO 3 PM PST SUNDAY... ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 3 PM SUNDAY TO 3 PM PST MONDAY... * WINDS...N 5 to 15 kt increasing to 20 to 30 kt on Sunday. * WAVES/SEAS...A large and long period swell will build into the waters on Sunday and Monday. In addition, steep short period waves will build into the area from the strong northerly winds. The result will be combined seas of 15 to 20 feet. 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 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. && $$ PZZ455-181245- /O.CON.KEKA.SC.Y.0020.180218T1100Z-180219T2300Z/ Cape Mendocino to Pt Arena out 10 nm- 835 PM PST Sat Feb 17 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM SUNDAY TO 3 PM PST MONDAY... * WINDS...N 5 to 15 kt increasing to 20 to 25 kt on Sunday. * WAVES/SEAS...A large and long period swell will build into the waters on Sunday and Monday. In addition, steep short period waves will build into the area from the strong northerly winds. The result will be combined seas of 13 to 18 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$
976 WHUS76 KEKA 181101 MWWEKA Urgent - Marine Weather Message National Weather Service Eureka CA 301 AM PST Sun Feb 18 2018 PZZ455-181915- /O.EXT.KEKA.SC.Y.0020.000000T0000Z-180219T0200Z/ /O.EXB.KEKA.SE.W.0003.180219T0200Z-180219T2300Z/ Cape Mendocino to Pt Arena out 10 nm- 301 AM PST Sun Feb 18 2018 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM PST THIS EVENING... ...HAZARDOUS SEAS WARNING IN EFFECT FROM 6 PM THIS EVENING TO 3 PM PST MONDAY... The National Weather Service in Eureka has issued a Hazardous Seas Warning, which is in effect from 6 PM this evening to 3 PM PST Monday. * WINDS...N 5 to 15 kt increasing to 20 to 25 kt today. * WAVES/SEAS...A large and long period swell will build into the waters today and Monday. In addition, steep short period waves will build into the area from the strong northerly winds. The result will be combined seas of 14 to 19 feet. 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. && $$ PZZ470-181915- /O.CON.KEKA.SC.Y.0020.000000T0000Z-180218T1700Z/ /O.CON.KEKA.GL.W.0008.180218T1700Z-180219T2300Z/ Pt St George to Cape Mendocino 10 to 60 nm- 301 AM PST Sun Feb 18 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... ...GALE WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 3 PM PST MONDAY... * WINDS...N winds will increase to 25 to 35 kt with occasional gusts up to 40 kt through Monday. * WAVES...A large and long period swell will build into the waters today and Monday. In addition, steep short period waves will build into the area from the strong northerly winds. The result will be combined seas of 20 to 25 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ475-181915- /O.CON.KEKA.SC.Y.0021.000000T0000Z-180218T1700Z/ /O.CON.KEKA.GL.W.0008.180218T1700Z-180219T2300Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 301 AM PST Sun Feb 18 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... ...GALE WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 3 PM PST MONDAY... * WINDS...N winds will increase to 25 to 35 kt with occasional gusts up to 40 kt through Monday. * WAVES...A large and long period swell will build into the waters today and Monday. In addition, steep short period waves will build into the area from the strong northerly winds. The result will be combined seas of 20 to 25 feet. 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. && $$ PZZ450-181915- /O.CON.KEKA.SC.Y.0020.000000T0000Z-180218T2300Z/ /O.CON.KEKA.SE.W.0003.180218T2300Z-180219T2300Z/ Pt St George to Cape Mendocino out 10 nm- 301 AM PST Sun Feb 18 2018 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 3 PM PST MONDAY... * WINDS...N 5 to 15 kt increasing to 20 to 30 kt today. * WAVES/SEAS...A large and long period swell will build into the waters today and Monday. In addition, steep short period waves will build into the area from the strong northerly winds. The result will be combined seas of 15 to 20 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. A Hazardous Seas Warning means hazardous sea conditions are imminent or occurring. Recreational boaters should remain in port, or take shelter until waves subside. Commercial vessels should prepare for rough seas and consider remaining in port or taking shelter in port until hazardous seas subside. && $$
654 WHUS76 KEKA 181622 MWWEKA Urgent - Marine Weather Message National Weather Service Eureka CA 822 AM PST Sun Feb 18 2018 PZZ470-190030- /O.CAN.KEKA.SC.Y.0020.000000T0000Z-180218T1700Z/ /O.CON.KEKA.GL.W.0008.180218T1700Z-180219T2300Z/ Pt St George to Cape Mendocino 10 to 60 nm- 822 AM PST Sun Feb 18 2018 ...GALE WARNING REMAINS IN EFFECT UNTIL 3 PM PST MONDAY... The National Weather Service in Eureka has cancelled the Small Craft Advisory. * WINDS...N winds will increase to 25 to 35 kt with occasional gusts up to 40 kt through Monday. * WAVES...A large and long period swell will build into the waters today and Monday. In addition, steep short period waves will build into the area from the strong northerly winds. The result will be combined seas of 20 to 25 feet. 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. && $$ PZZ475-190030- /O.CAN.KEKA.SC.Y.0021.000000T0000Z-180218T1700Z/ /O.CON.KEKA.GL.W.0008.180218T1700Z-180219T2300Z/ Cape Mendocino to Pt Arena 10 to 60 nm- 822 AM PST Sun Feb 18 2018 ...GALE WARNING REMAINS IN EFFECT UNTIL 3 PM PST MONDAY... The National Weather Service in Eureka has cancelled the Small Craft Advisory. * WINDS...N winds will increase to 25 to 35 kt with occasional gusts up to 40 kt through Monday. * WAVES...A large and long period swell will build into the waters today and Monday. In addition, steep short period waves will build into the area from the strong northerly winds. The result will be combined seas of 20 to 25 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ450-190030- /O.CAN.KEKA.SC.Y.0020.000000T0000Z-180218T2300Z/ /O.NEW.KEKA.SI.Y.0001.180218T1622Z-180219T2300Z/ /O.EXT.KEKA.SE.W.0003.180218T1700Z-180219T2300Z/ Pt St George to Cape Mendocino out 10 nm- 822 AM PST Sun Feb 18 2018 ...SMALL CRAFT ADVISORY FOR WINDS IN EFFECT UNTIL 3 PM PST MONDAY... ...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 3 PM PST MONDAY... The National Weather Service in Eureka has issued a Small Craft Advisory for winds, which is in effect until 3 PM PST Monday. The Small Craft Advisory has been cancelled. * WINDS...N 5 to 15 kt increasing to 20 to 30 kt today. * WAVES/SEAS...A large and long period swell will build into the waters today and Monday. In addition, steep short period waves will build into the area from the strong northerly winds. The result will be combined seas of 15 to 20 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. A Small Craft Advisory for wind means that wind speeds of 21 to 33 knots are expected. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ455-190030- /O.CAN.KEKA.SC.Y.0020.000000T0000Z-180219T0200Z/ /O.NEW.KEKA.SI.Y.0001.180218T1622Z-180219T2300Z/ /O.EXT.KEKA.SE.W.0003.180218T1700Z-180219T2300Z/ Cape Mendocino to Pt Arena out 10 nm- 822 AM PST Sun Feb 18 2018 ...SMALL CRAFT ADVISORY FOR WINDS IN EFFECT UNTIL 3 PM PST MONDAY... ...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 3 PM PST MONDAY... The National Weather Service in Eureka has issued a Small Craft Advisory for winds, which is in effect until 3 PM PST Monday. The Small Craft Advisory has been cancelled. * WINDS...N 5 to 15 kt increasing to 20 to 25 kt today. * WAVES/SEAS...A large and long period swell will build into the waters today and Monday. In addition, steep short period waves will build into the area from the strong northerly winds. The result will be combined seas of 14 to 19 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Hazardous Seas Warning means hazardous sea conditions are imminent or occurring. Recreational boaters should remain in port, or take shelter until waves subside. Commercial vessels should prepare for rough seas and consider remaining in port or taking shelter in port until hazardous seas subside. A Small Craft Advisory for wind means that wind speeds of 21 to 33 knots are expected. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 2:49 AM PST | Small Craft Advisory | EKA | 30 hr | |
| Feb 17, 3:40 AM PST | Winter Weather Advisory | EKA | Del Norte, Humboldt, Trinity | 51 hr |
| Feb 17, 3:00 PM PST | Gale Warning | EKA | 48 hr | |
| Feb 17, 3:00 PM PST | Hazardous Seas Warning | EKA | 48 hr |
Nearby
Small Craft Advisories in California, 2018Every small craft advisory 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.