Friday, November16, 2018 L-36.com


Marine Weather and Tides
Sacramento, CA

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:48AMSunset 4:53PM Friday November 16, 2018 2:17 PM PST (22:17 UTC) Moonrise 1:46PMMoonset 12:00AM Illumination 64% Phase: Waxing Gibbous; Moon at 9 days in cycle
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.
Marine Forecasts
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PZZ530 San Pablo Bay, Suisun Bay, The West Delta And The San Francisco Bay North Of The Bay Bridge- 854 Am Pst Fri Nov 16 2018
Today..NE winds up to 10 kt...becoming around 5 kt this afternoon. Hazy and patchy smoke.
Tonight..NW winds up to 10 kt. Hazy and patchy smoke.
Sat..SW winds up to 10 kt. Hazy and patchy smoke.
Sat night..W winds 5 to 15 kt. Hazy and patchy smoke.
Sun..NE winds 5 to 10 kt. Hazy and patchy smoke.
Sun night..E winds 5 to 10 kt.
Mon..E winds around 5 kt.
Tue..SE winds around 5 kt.
PZZ500 854 Am Pst Fri Nov 16 2018
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Generally light winds will continue through the weekend and early next week. A mixed moderate northwest swell and light southerly swell will also persist. No significant change in the weather pattern expected until mid week next week at the earliest.


7 Day Forecast for Marine Location Near Sacramento, CA
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location: 38.58, -121.51     debug


Area Discussion for - Sacramento, CA
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Fxus66 ksto 161152
afdsto
area forecast discussion
national weather service sacramento ca
352 am pst Fri nov 16 2018

Synopsis
Dry with a little above normal daytime temperatures through early
next week except near or cooler than normal in areas of heavy
smoke due to the camp wildfire. Breezy northeasterly winds over
the sierra nevada Saturday night into Sunday elevating fire
danger. Cooler temperatures next week with increasing chances of
precipitation across interior norcal middle to end of next week.

Discussion
High pressure over the eastern pacific and western u.S. Will keep
the forecast area dry through the short term period. A light east
flow out of the sierra and a light northerly flow down the
northern sacramento valley combined with stable conditions under
the ridge will again concentrate smoke from the camp fire into
the central valley today. Main concentration of smoke will be
from southern tehama county southward to stanislaus county. In
this region, daytime high temperatures will be limited by lack of
sunshine keeping them near or even several degrees below normal.

Other impact will be reduced visibilities in this region with
current morning reports dropping visibility to 1 2 mile some local
spots. Only minor changes are expected in the weather pattern on
Saturday so smoke is likely to remain concentrated into roughly
the same areas. Although smoke seems to be blocking solar
insolation enough to cool temperatures during the day, radiational
cooling at night is allowing valley temperatures to drop down into
the 30s or about 5 to 8 degrees below normal.

Models in fairly good agreement in dropping a shortwave trough
southeastward through the pacific northwest into the central great
basin on Saturday with high pressure rebounding over the west
coast by Saturday night. The combination of northeast to easterly
flow aloft and a tight northeast surface gradient across the
sierra will bring breezy northeast winds Saturday night through
Sunday especially to the higher elevations and favorably oriented
sierra and foothill canyons. These breezy winds will bring
elevated fire danger and a fire weather watch will remain in
place for the sierra and foothills Saturday evening through Sunday
afternoon. The breezy winds may bring enough vertical mixing to
reduce the central valley smoke but the winds in the valley will
not be all that strong so some of the smoke concentration is
expected to remain. The main effect other than increased fire
danger will be a little warming in formally very smokey areas
Sunday where smoke amounts are reduced.

Upper ridge axis will shift just east of the forecast area by
Monday afternoon bringing a slight cooling most areas. Central
valley smoke will still be a wild card but with relatively light
winds under the ridge believe that at least light smoke will
remain in the valley. A few high clouds may start spilling into
the region late Monday preceding a possible major change in the
weather pattern coming mid week.

.Extended discussion (Tuesday through Friday)
confidence in increase in a pattern change this week, bringing
cooler temperatures and a chance of precipitation mid- to late-
week. Models continue to show a split flow pattern Tuesday, with
one upper level low moving over socal while a deeper upper low
moves east over the eastern pacific. The most recent GFS run is
nudging closer to the euro's progression, though timing
inconsistencies still remain. In general, a shortwave trough and
associated cold front is forecast to move inland Wednesday,
bringing with it a chance of precipitation and cooler daytime
temperatures. Showers could linger behind the shortwave Thursday
before another low pressure system moves onshore Thursday evening
through Friday, bringing another wave of precipitation to norcal.

Precipitation timing and amounts are still uncertain at this time
due to model inconsistencies this far out. Stay tuned to to the
forecast for any updates. Hec

Aviation
Ifr conditions continue for the central valley with MVFR
conditions for the northern sacramento valley due to smoke from
the wildfire in butte county. Winds have been fairly stagnant,
allowing localized lifr conditions in the sacramento area.

Winds generally less than 10 kts. Hec

Sto watches warnings advisories
Fire weather watch from Saturday evening through Sunday
afternoon for northern motherlode from 1000 to 3000 ft. Includes
portions of nevada-yuba-placer-amador and eldorado units-
northern sierra foothills from 1000 to 3000 ft. Includes
portions of shasta-trinity and butte units-northern sierra
including lassen np and plumas and lassen nf S west of the
sierra crest (west of evans peak-grizzly peak-beckworth peak)-
northern sierra including the tahoe and eldorado nf S west of
the sierra crest.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SFXC1 - San Francisco Bay Reserve, CA 38 mi92 min W 1.9 58°F 1016 hPa31°F
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 42 mi29 min S 4.1 G 4.1 61°F 1015.2 hPa
PCOC1 - 9415144 - Port Chicago, CA 46 mi29 min ENE 7 G 8 58°F 57°F1015.2 hPa
RCMC1 - 9414863 - Richmond, CA 66 mi29 min 57°F

Wind History for Port Chicago, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sacramento Executive Airport, CA4 mi24 minN 01.25 miSmoke63°F32°F31%1015.3 hPa
Sacramento, McClellan Airfield Airport, CA8 mi22 minW 31.25 miFair with Haze64°F28°F26%1015.9 hPa
Sacramento International Airport, CA10 mi24 minN 01.00 miHaze Smoke61°F30°F32%1015.2 hPa
Sacramento Mather Airport, CA11 mi27 minSW 43.00 miHaze Smoke64°F32°F30%1014.9 hPa
University Airport, CA15 mi22 minNNW 32.50 miFair63°F26°F25%1015.6 hPa
Lincoln Regional Karl Harder Field, CA24 mi22 minN 02.00 miFair64°F30°F28%1015.2 hPa

Wind History from SAC (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoN7NE4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmN3CalmCalmCalmNW3NW4CalmN3NE4NW4
2 days agoNW4N3CalmCalmCalmW4CalmCalmSW4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmN4CalmN3N3NW4

Tide / Current Tables for Sacramento #4, Sacramento River, California
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Sacramento #4
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Fri -- 12:17 AM PST     2.07 feet High Tide
Fri -- 06:49 AM PST     Sunrise
Fri -- 09:14 AM PST     0.07 feet Low Tide
Fri -- 01:45 PM PST     Moonrise
Fri -- 02:39 PM PST     2.37 feet High Tide
Fri -- 04:52 PM PST     Sunset
Fri -- 09:47 PM PST     0.61 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.121.91.71.310.60.40.20.10.20.61.21.82.32.42.21.81.51.10.80.70.61

Tide / Current Tables for Clarksburg #4, Sacramento River, California
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Clarksburg #4
Click for Map
Fri -- 06:48 AM PST     Sunrise
Fri -- 07:44 AM PST     0.07 feet Low Tide
Fri -- 01:30 PM PST     2.37 feet High Tide
Fri -- 01:45 PM PST     Moonrise
Fri -- 04:52 PM PST     Sunset
Fri -- 08:17 PM PST     0.61 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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21.91.61.20.80.50.30.10.10.30.81.422.32.32.11.71.310.70.60.71.21.7

Weather Map and Satellite Images
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wmap_P
GOES 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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Sacramento, CA (17,4,5,8)
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Ground Weather Radar Station Sacramento, CA
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.