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Marine Weather and Tides Sacramento, CA Version 3.4

NOTICE 12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed. 10/9/2019 Updated the Marine Zones. 9/4/2019 Fixed the weather maps due to NOAA moving them. 7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

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Sunrise 7:16AM

Sunset 5:18PM

Thursday January 23, 2020 3:17 AM PST (11:17 UTC)

Moonrise 6:35AM

Moonset 4:16PM

Illumination 3%

NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.

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7 Day Forecast for Marine Location Near Sacramento, CA

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Area Discussion for - Sacramento, CA

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FXUS66 KSTO 231030 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 230 AM PST Thu Jan 23 2020

Synopsis. Night and morning valley fog will be possible into Saturday. Some light precipitation possible, mainly over the mountains and northern portions of the Sacramento Valley, into Friday. Wetter Pacific storm moves through this weekend. Unsettled weather continues early next week.

Discussion. Upper level ridge axis moving through attm, will shift into the Great Basin today as upstream Pacific frontal system approaches. With less high level cloudiness overnight, potential for more widespread valley fog increases this morning. Already seeing some patchy dense fog beginning to develop within larger areas of lighter fog in the Sacramento and Northern San Joaquin Valleys. HREF showing increasing probability of visibilities below 3SM from KOVE southward early this morning, so will continue to monitor for more widespread dense fog development. Visibilities expected to improve by mid to late morning as boundary layer mixing increases with approaching short wave trough. Models spread some associated light precip into the mountains and possibly northern and central portions of the Sacramento Valley this afternoon. Highs today expected to be several degrees cooler than Wednesday.

Secondary trough follows through northern half of the CWA tonight into Friday keeping a threat of light precipitation. Overall precip amounts expected to be mostly below a tenth in the Central Valley through Friday, with around a quarter to third of an inch possible in portions of the Shasta and Western Plumas mountains. Snow levels will initially be above 7000 ft this afternoon through early Friday, then lower to around 5500 to 6500 feet Friday afternoon into evening. No significant mountain travel impacts expected during this period.

Upper ridging strengthens over Norcal Friday night into early Saturday, with some night and morning dense valley fog possible. Stronger Pacific frontal system approaches Saturday and looks to begin spreading precipitation into our Coastal Range by the afternoon. Baroclinic zone moves through Saturday night into Sunday morning with some moderate precipitation associated with it. Secondary wave keeps a threat of post-frontal showers over interior NorCal Sunday into Monday. Storm total QPF for the weekend system looks to range from a few tenths in the Northern San Joaquin Valley to upwards of an inch in the Northern Sacramento Valley. Up to around 2 inches of liquid precip possible in wetter portions of the foothills and mountains. Snow levels forecast to generally be above 7k feet ahead of the front on Saturday, lowering to around 5 to 6k feet Sunday and 4500 to 5500 feet Sunday night into Monday. Snow amounts look to generally be light to moderate and could impact travel with upwards of 6 inches or so over the passes of the Sierra Nevada.

PCH

EXTENDED DISCUSSION (Monday THROUGH Thursday). After the weekend system we will see the storm track shift to the north over the PacNW. They will see multiple waves of precip throughout the period. The majority of the precip will stay to our north but some light mountain showers are going to be possible especially out a head of any incoming waves. Right now there isn't great agreement between ensembles on when the waves will move through the PacNW. That leaves uncertainty on when we will see the best chances for showers. Either way everything looks light and low impact for us. Towards the end of the week we will see more ridging and that will continue to push the storm track to the north and lessen the shower chances for mountain locations. Temperatures will be near average for much of the period but will warm to just above average by late in the week.

-CJM

AVIATION. IFR/LIFR conditions are expected this morning from KMYV south to KMOD due to areas of dense fog with vis down to 1/4SM at times. VIS improve by 18z with VFR conditions returning. Light showers are possible after 20z mainly north of I-80 and over the higher elevations. MVFR conditions expected for the northern terminals due to low CIGs after 21z. MVFR conditions in any showers also.

STO WATCHES/WARNINGS/ADVISORIES. None.

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Weather Reporting Stations

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Stations	Dist	Age	Wind	Air Temp	Water Temp	Waves	Pressure	DewPt
SFXC1 - San Francisco Bay Reserve, CA	38 mi	92 min	Calm
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA	42 mi	47 min	SSE 1 G 2.9	47°F			1025.1 hPa
PCOC1 - 9415144 - Port Chicago, CA	46 mi	47 min	ENE 1.9 G 1.9	48°F	49°F		1024.7 hPa
RCMC1 - 9414863 - Richmond, CA	66 mi	47 min			52°F

Wind History for Port Chicago, CA

(wind in knots)    EDIT      (on/off)   Help

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Airport Reports

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Airport	Dist	Age	Wind kt	Visibility	Sky/Weather	Temp	DewPt	Humidity	Pressure

Link to 5 minute data for KSAC

Wind History from SAC (wind in knots)

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Tide / Current Tables for Sacramento #4, Sacramento River, California

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Tide / Current Tables for Clarksburg #4, Sacramento River, California

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Weather Map

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GEOS Local Image of CentralWestCoast    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East

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Wind Forecast for Sacramento, CA (6,6,7,8)

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Ground Weather Radar Station Sacramento, CA

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