Monday, December10, 2018 L-36.com


Marine Weather and Tides
Fiddle, 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 7:10AMSunset 4:44PM Monday December 10, 2018 4:42 PM PST (00:42 UTC) Moonrise 9:53AMMoonset 7:53PM Illumination 12% Phase: Waxing Crescent; Moon at 3 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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PZZ531 San Francisco Bay South Of The Bay Bridge- 239 Pm Pst Mon Dec 10 2018
Tonight..N winds 5 to 10 kt.
Tue..N winds up to 10 kt.
Tue night..NW winds 5 to 15 kt.
Wed..NW winds 5 to 15 kt.
Wed night..SE winds 5 to 15 kt.
Thu..N winds up to 10 kt.
Thu night..E winds 5 to 10 kt.
Fri..SW winds up to 10 kt. A chance of rain.
Sat..SE winds 5 to 10 kt. A chance of rain.
PZZ500 239 Pm Pst Mon Dec 10 2018
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... North to northwest winds will develop and increase over the coastal waters through tonight in wake of a frontal passage. Wind speeds will then diminish briefly late Tuesday before increasing again to moderate levels on Wednesday. A moderate northwest swell will also impact the region through tonight before a larger swell arrives late in the week.


7 Day Forecast for Marine Location Near Fiddle, CA
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location: 38.52, -120.78     debug


Area Discussion for - Sacramento, CA
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Fxus66 ksto 102321
afdsto
area forecast discussion
national weather service sacramento ca
321 pm pst Mon dec 10 2018

Synopsis
Norcal will continue to sit just south of the more active storm
track impacting the pacific northwest. The better chances for
precipitation should wait until Friday and into the weekend.

Before then, expect daily chances for valley fog the next couple
of days with near normal temperatures.

Discussion
In the wake of the earlier frontal passage, visible satellite
imagery shows much of norcal underneath sunny to partly cloudy
skies. As overnight winds lighten, another round of valley fog is
likely, particularly from marysville southward across sacramento
down toward modesto and stockton. As usual, these latter locations
may see fog stick around longer before mixing out by the mid to
late morning. Overall, much of the state can expect near average
readings for early december with valley highs in the mid to upper
50s with 40s in the mountains.

Increasing cloud cover is anticipated throughout the day on
Tuesday as the next pacific system approaches the southwestern
oregon coast. Any precipitation should be limited to more northern
counties such as shasta and lassen. By mid-week, another round of
valley fog is in the forecast for areas south of sacramento
toward their more favored locations. With general northerly winds
spreading over the valley, do not expect this fog event to be
nearly as widespread.

By Thursday morning, it could prove to be the coolest day of the
work week as surface winds become nearly calm. However, there are
suggestions of some mid to high level clouds moving through which
add a few degrees to these overnight temperatures. The current
forecast went with mid 30s over valley locations with low 20s
across the higher terrain. This should be prove to be the last dry
day ahead of the active pattern looming ahead. Bro
.Extended discussion (Friday through Monday)
pacific frontal band forecast to move into through norcal Fri fri
nite, weakening as it moves into the sierra. Reasonable confidence
in general around 0.50" in the shasta mtns and coastal range with
0.50" to 1.0" over the SRN cascade sierra north of the 80 50
corridor with amounts tapering south of hwy 50. With snow levels
4500-5000 ft, there may be some travel impacts over the mtn passes
then.

Sat expected to be a mostly dry day, except for some light waa
precip possible over the sierra. Generally, norcal should be between
wx systems on Sat ahead of the long wave trof for Sun mon. The
amplitude of this system bodes well for precip, but confidence is
lower in amounts and timing as the longer waves usually progress
slower than progged.

The us W coast ar landfall tool shows a weak ar (probability of ivt
>250 kg m s) over the pacific and forecast to reach the coast on
12 16 (sun) preceded by 2 other ars. The latter has greater
amplitude, ala the long wave trof, extending from 55n to 35n. There
is actually a little moderate ivt value (>500 kg m s) embedded
within the plume between 38n-43n, which is line with at least most
of norcal and our cwa. The plume is forecast to become parallel to
the coastline and erode weaken as it moves inland which doesn't
bode well for significant precip E of sierra, but will at least
result in a wetter storm for norcal then its predecessor. The lack
of duration over our CWA and lack of an orthogonal trajectory to
the sierra will keep precip amounts lower than a more favorable
trajectory and orientation. Very early, preliminary estimates of
liquid precip for the sun-mon storm suggests the coastal range
will be favored over the sierra with 1-3 inch amounts, 1-2 inches
over the sierra north of the 80 50 corridor, and over an inch in
the NRN sac vly tapering to two-thirds of an inch around dts, and
a third of an inch around modesto. This system should cause
greater snow impacts over the sierra passes than the Fri system
with snow levels down to around 5 kft. Daytime temperatures will
remain near or a little below normal throughout the extended
period with occasional breezy south winds as weather systems move
through the area. Jhm

Aviation
Lingering MVFR conditions around ksck kmod early this evening before
ifr lifr conditions due to stratus fog are forecast to return from
around kmyv southward to ksac-kmod after 06z tue, persisting through
18z tue. Light nly wind forecast to preclude fog over NRN sac vly,
but bank stratus fog into the lower ERN foothills (mother lode)
elevations. Increase in clouds from north to south AOA 10 kft over
taf sites after 12z-18z tue.

Sto watches warnings advisories
None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SFXC1 - San Francisco Bay Reserve, CA 70 mi58 min WNW 7 57°F 1021 hPa48°F
PCOC1 - 9415144 - Port Chicago, CA 74 mi43 min W 8 G 8.9 56°F 54°F1021.4 hPa (-0.9)
RCMC1 - 9414863 - Richmond, CA 96 mi43 min 56°F

Wind History for Port Chicago, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sacramento Mather Airport, CA28 mi58 minNW 710.00 miClear59°F46°F63%1020.7 hPa

Wind History from MHR (wind in knots)
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Last 24hr----NW4CalmCalm--------------N6CalmNW4NW4NW4N5NW6----N4N5NW7
1 day ago--Calm------SE5--Calm--------NE3CalmCalmCalmCalmCalmCalmCalm------N4
2 days agoCalmCalmSE3E4CalmCalmNE3------CalmNE4CalmCalmCalmCalmCalmCalmN6NW3NW3W5NW4--

Tide / Current Tables for Sacramento #4, Sacramento River, California
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Sacramento #4
Click for Map
Mon -- 04:47 AM PST     -0.13 feet Low Tide
Mon -- 07:12 AM PST     Sunrise
Mon -- 09:55 AM PST     2.43 feet High Tide
Mon -- 09:55 AM PST     Moonrise
Mon -- 04:13 PM PST     0.88 feet Low Tide
Mon -- 04:44 PM PST     Sunset
Mon -- 07:56 PM PST     Moonset
Mon -- 07:57 PM PST     2.89 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.40.90.50.1-0.1-0.10.20.91.72.22.42.321.61.310.911.82.62.92.82.52.1

Tide / Current Tables for Clarksburg #4, Sacramento River, California
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Clarksburg #4
Click for Map
Mon -- 03:17 AM PST     -0.13 feet Low Tide
Mon -- 07:12 AM PST     Sunrise
Mon -- 08:46 AM PST     2.43 feet High Tide
Mon -- 09:55 AM PST     Moonrise
Mon -- 02:43 PM PST     0.88 feet Low Tide
Mon -- 04:45 PM PST     Sunset
Mon -- 06:48 PM PST     2.89 feet High Tide
Mon -- 07:56 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.30-0.1-00.51.21.92.32.42.21.91.51.10.90.91.322.72.92.82.521.5

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Sacramento, CA (19,4,5,8)
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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.