Gale Warning
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
234 AM PDT Tue May 11 2021
PZZ470-111745-
/O.CON.KEKA.GL.W.0025.000000T0000Z-210512T0900Z/
Pt St George to Cape Mendocino 10 to 60 nm-
234 AM PDT Tue May 11 2021
...GALE WARNING REMAINS IN EFFECT UNTIL 2 AM PDT WEDNESDAY...
* WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas
11 to 13 feet.
* WHERE...Pt St George to Cape Mendocino 10 to 60 nm.
* WHEN...Until 2 AM PDT Wednesday.
* IMPACTS...Strong winds will cause hazardous seas which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
234 AM PDT Tue May 11 2021
PZZ475-111745-
/O.CON.KEKA.GL.W.0024.000000T0000Z-210511T1900Z/
/O.NEW.KEKA.SE.W.0034.210511T1900Z-210512T1900Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
234 AM PDT Tue May 11 2021
...GALE WARNING REMAINS IN EFFECT UNTIL NOON PDT TODAY...
...HAZARDOUS SEAS WARNING IN EFFECT FROM NOON TODAY TO NOON PDT
WEDNESDAY...
* WHAT...For the Gale Warning, north winds 20 to 30 kt with
gusts up to 35 kt and seas 12 to 14 feet. For the Hazardous
Seas Warning, very steep and hazardous seas 9 to 12 feet
expected.
* WHERE...Cape Mendocino to Pt Arena 10 to 60 nm.
* WHEN...For the Gale Warning, until noon PDT today. For the
Hazardous Seas Warning, from noon today to noon PDT Wednesday.
* IMPACTS...Strong winds will cause hazardous seas which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.
&&
$$
Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Sacramento CA
230 AM PDT Tue May 11 2021
...Critical Fire Weather Conditions Through the Afternoon for
Elevations Below 2000 Feet...
.Gusty north to east wind, low humidity and unseasonably dry
fuels will continue elevated to locally critical fire weather
conditions today over portions of the Central Valley, Delta and
surrounding foothills below 2000 feet.
CAZ215>219-263-279-120100-
/O.CON.KSTO.FW.W.0002.000000T0000Z-210512T0100Z/
Northern Sacramento Valley to Southern Tehama County Line Below
1000 Ft-
Central Sacramento Valley in Glenn, Colusa, Yuba, Northern
Sutter, and Butte County Below 1000 Ft-
Southern Sacramento Valley in Yolo-
Sacramento Far Western Placer, southern Sutter and Solano County
Below 1000 Ft-Carquinez Strait and Delta-
Northern San Joaquin Valley in San Joaquin and Stanislaus
Counties Below 1000 ft-Southeast Edge Shasta-
Trinity NF and Western Portions of Tehama-Glenn Unit-
Eastern Mendocino NF-
230 AM PDT Tue May 11 2021
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING
FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 215, 216,
217, 218, 219, 263, AND 279...
* AFFECTED AREA...Sacramento Valley, Delta, northern San Joaquin
Valley and surrounding terrain below 2000 feet elevation.
* WIND...Northerly 10 to 20 mph with local gusts up to 30 mph.
Strongest wind expected this morning with lighter winds this
afternoon.
* HUMIDITY...Minimum humidity in the single digits to mid teens.
* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
Interact with us via social media
www.facebook.com/nws.sacramento
www.twitter.com/nwssacramento
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service San Francisco CA
130 PM PDT Mon May 10 2021
...Red Flag Warning for the North and East Bay Hills, as well as
the East Bay Interior Valleys, through 6 pm Tuesday for offshore
winds and low humidity...
.The Red Flag Warning continues through Tuesday afternoon.
Offshore winds will gradually increase again today and into
tonight across the North and East Bay hills. The latest forecasts
continue to suggest conditions will worsen tonight into Tuesday
morning as another burst of moderate to strong offshore winds
develops in the hills. This will occur with very low humidity
values and drought stressed fuels. Winds will ease through the day
Tuesday, but warm and dry weather will persist through Tuesday
afternoon.
CAZ507-510-511-111230-
/O.CON.KMTR.FW.W.0002.000000T0000Z-210512T0100Z/
North Bay Mountains-East Bay Interior Valleys-
East Bay Hills and the Diablo Range-
130 PM PDT Mon May 10 2021
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT TUESDAY FOR
OFFSHORE WIND AND LOW HUMIDITY FOR THE NORTH AND EAST BAY HILLS AS
WELL AS THE INTERIOR VALLEYS OF THE EAST BAY...
* AFFECTED AREA...Fire Weather Zone 507 North Bay Mountains,
Fire Weather Zone 510 East Bay Interior Valleys and Fire
Weather Zone 511 East Bay Hills and the Diablo Range.
* TIMING...Through 6 pm Tuesday. The most dangerous time will be
the overnight tonight into Tuesday morning when another burst
of moderate to strong offshore winds will impact the hills.
* WINDS...Elevations below 2000 feet...northerly winds 10 to 15
mph with gusts up to 40 mph. Elevations from 2000 feet and
above...northerly winds of 15 to 25 mph with peak gusts to
around 50 mph and local gusts to 60 mph highest peaks.
* RELATIVE HUMIDITY...As low as 5 to 15 percent, driest during the
afternoon hours with little or no recovery Monday night.
* TEMPERATURES...In the 80s and lower 90s afternoon hours with
nighttime lows 50s in the valleys and 60s in the hills where
winds are strongest.
* IMPACTS...New ignitions will experience rapid fire growth.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
Palmer
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
249 AM PDT Tue May 11 2021
PZZ530-111800-
/O.NEW.KMTR.SC.Y.0096.210511T2200Z-210512T0400Z/
San Pablo Bay, Suisun Bay, the West Delta and the San Francisco
Bay north of the Bay Bridge-
249 AM PDT Tue May 11 2021
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO
9 PM PDT THIS EVENING...
* WHAT...Southwest winds 5 to 15 kt with gusts up to 25 kt
expected.
* WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San
Francisco Bay north of the Bay Bridge.
* WHEN...From 3 PM this afternoon to 9 PM PDT this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
249 AM PDT Tue May 11 2021
PZZ571-111600-
/O.CON.KMTR.SC.Y.0090.000000T0000Z-210511T1600Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
249 AM PDT Tue May 11 2021
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THIS
MORNING...
* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and
seas 8 to 10 feet at 15 seconds.
* WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM.
* WHEN...Until 9 AM PDT this morning.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/sanfrancisco
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
249 AM PDT Tue May 11 2021
PZZ570-111800-
/O.EXT.KMTR.SC.Y.0095.000000T0000Z-210511T2200Z/
Waters from Point Arena to Point Reyes 10-60 NM-
249 AM PDT Tue May 11 2021
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
seas 7 to 11 feet at 14 seconds.
* WHERE...Waters from Point Arena to Point Reyes 10-60 NM.
* WHEN...Until 3 PM PDT this afternoon.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
234 AM PDT Tue May 11 2021
PZZ455-111200-
/O.CON.KEKA.SC.Y.0055.000000T0000Z-210511T1200Z/
Cape Mendocino to Pt Arena out 10 nm-
234 AM PDT Tue May 11 2021
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT EARLY
THIS MORNING...
* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas
7 to 10 feet.
* WHERE...Cape Mendocino to Pt Arena out 10 nm.
* WHEN...Until 5 AM PDT early this morning.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Hazardous Seas Warning
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
234 AM PDT Tue May 11 2021
PZZ450-111200-
/O.CON.KEKA.SE.W.0033.000000T0000Z-210511T1200Z/
Pt St George to Cape Mendocino out 10 nm-
234 AM PDT Tue May 11 2021
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 5 AM PDT EARLY
THIS MORNING...
* WHAT...Very steep and hazardous seas 9 to 11 feet.
* WHERE...Pt St George to Cape Mendocino out 10 nm.
* WHEN...Until 5 AM PDT early this morning.
* IMPACTS...Very steep and hazardous seas could capsize or cause
damage to vessels.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
234 AM PDT Tue May 11 2021
PZZ475-111745-
/O.CON.KEKA.GL.W.0024.000000T0000Z-210511T1900Z/
/O.NEW.KEKA.SE.W.0034.210511T1900Z-210512T1900Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
234 AM PDT Tue May 11 2021
...GALE WARNING REMAINS IN EFFECT UNTIL NOON PDT TODAY...
...HAZARDOUS SEAS WARNING IN EFFECT FROM NOON TODAY TO NOON PDT
WEDNESDAY...
* WHAT...For the Gale Warning, north winds 20 to 30 kt with
gusts up to 35 kt and seas 12 to 14 feet. For the Hazardous
Seas Warning, very steep and hazardous seas 9 to 12 feet
expected.
* WHERE...Cape Mendocino to Pt Arena 10 to 60 nm.
* WHEN...For the Gale Warning, until noon PDT today. For the
Hazardous Seas Warning, from noon today to noon PDT Wednesday.
* IMPACTS...Strong winds will cause hazardous seas which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Eureka CA
107 PM PDT Mon May 10 2021
CAZ107-108-112015-
Northern Trinity-Southern Trinity-
107 PM PDT Mon May 10 2021
This hazardous weather outlook is for northwest California.
.DAY ONE...This afternoon and tonight.
No hazardous weather is expected.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
A slight chance of thunderstorms will exist Friday afternoon and
evening.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
