Tuesday, January16, 2018 L-36.com


Marine Weather and Tides
Sacramento, CA

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 7:19AMSunset 5:12PM Tuesday January 16, 2018 11:12 AM PST (19:12 UTC) Moonrise 7:00AMMoonset 5:07PM Illumination 0% Phase: New Moon; Moon at 29 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
    EDIT      (on/off)   Help
PZZ530 San Pablo Bay Suisun Bay The West Delta And San Francisco Bay North Of The Bay Bridge- 900 Am Pst Tue Jan 16 2018
Today..SE winds 10 kt...becoming north in the afternoon. Chance of rain in the morning.
Tonight..E winds 10 kt. Patchy fog after midnight.
Wed..E winds 10 kt. Patchy fog in the morning.
Wed night..SW winds 10 kt. Slight chance of rain after midnight.
Thu..S winds 10 to 20 kt...becoming W 5 to 15 kt. Chance of rain, then chance of showers.
Fri..W winds 5 to 15 kt. Chance of showers, then slight chance of showers.
Sat..W winds 10 kt.
PZZ500 900 Am Pst Tue Jan 16 2018
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Light to moderate winds will prevail today as high pressure remains off the coast. Winds will switch southerly late tonight and Wednesday as a low pressure system develops off the british columbia coast and pushes the high south. Large swells will impact the beaches through early tonight before decreasing. A larger swell with long period will arrive Thursday.

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


Area Discussion for - Sacramento, CA
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus66 ksto 161813
afdsto
area forecast discussion
national weather service sacramento ca
1013 am pst Tue jan 16 2018

Synopsis
Active weather pattern continues, with a stronger and colder
storm system ariving Thursday-Friday. A similarly cold and wet
storm system is expected Sunday-Monday.

Discussion
Our weak frontal system has largely moved east of the region, with
precipitation tapering off across interior northern ca.

Precipitation totals were light for the most part, with readings
generally below a third of an inch. With these scant totals, and
particularly from about sacramento southward, not enough mixing
occurred to break up the fog and low clouds. A shower or two will
continue to be possible across the region today, but most of the
area should remain dry.

A shortwave ridge of high pressure will build over the area
tonight into Wednesday, ending the shower threat. With increasing
subsidence, fog and low clouds are likely to return to much of
the central valley late tonight and Wednesday morning.

The next pacific storm system will begin to move inland Wednesday
evening, with the front passing through the interior during the
day Thursday. Showery precipitation should continue into Friday.

This system will be stronger than the current one, but rain
shadowing may occur across portions of the valley, limiting lower
elevation precipitation. Orographics should be quite strong for
the shasta drainage and sierra however. This system will be a fair
bit colder than recent storms, with snow levels starting at or
below major sierra pass levels, and lowering to 2500-3500 feet on
Friday. Our current forecast calls for 12-18 inches of snow above
6000 feet along the sierra, and a dusting possible down to around
3000 feet. Light snow accumulations will also be possible above
2000 ft along interstate 5 in shasta county.

As the trough axis passes overhead, a bit of instability is
projected across portions of the central valley Friday afternoon.

We'll take a look at putting thunderstorms into the forecast, with
the primary impact being the potential for accumulating small hail
graupel.

Dang
.Extended discussion (Saturday through Tuesday)
short-lived upper level ridge will build across the area on
Saturday, resulting in generally dry conditions. The ridge of high
pressure will be displaced as an upper trough deepens along the
west coast. Forecast models similar in bringing widespread
precipitation across interior norcal Sunday into Monday as
associated pacific frontal boundary pushes through. There are
still some minor differences in timing as well as precipitation
amounts this far out. Regardless, mountain travel impacts could
be possible given the cold nature of this system. Breezy to gusty
winds could be possible as the system moves through.

Lingering showers will continue early Tuesday as the system exits
the area. Guidance indicates a brief period of dry weather before
the next system moves in around the middle of next week, but
models solutions diverge significantly. Nevertheless, it appears
that active weather could continue through the extended period.

Temperatures will gradually warm up by the end of the forecast
period, but should remain near or slightly below normal.

Aviation
MVFR ifr conditions, locally lifr, continue across interior norcal
as frontal system pushes through. Precipitation can be expected
generally through 14z across TAF sites. Conditions improve by 20
Tuesday but areas of MVFR ifr are expected to continue with the
potential for valley fog Wednesday morning. Winds will remain
under 10 knots.

Sto watches warnings advisories
Winter storm watch from Thursday afternoon through Friday
afternoon for west slope northern sierra nevada-western plumas
county lassen park.



Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SFXC1 - San Francisco Bay Reserve, CA 38 mi88 min Calm 52°F 1024 hPa52°F
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 42 mi43 min Calm G 1 53°F 1024.7 hPa
PCOC1 - 9415144 - Port Chicago, CA 46 mi43 min ENE 2.9 G 4.1 52°F 51°F1024.7 hPa
RCMC1 - 9414863 - Richmond, CA 66 mi43 min NW 5.1 G 6 53°F 53°F1024.1 hPa

Wind History for Port Chicago, CA
(wind in knots)    EDIT      (on/off)   Help
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
Last
24hr
E5
E5
NE10
NE7
N4
NE4
E2
E3
S1
E4
E8
NE5
NE4
N1
NE4
E6
NE5
E11
E8
G11
E5
E5
E2
N2
E3
1 day
ago
E12
G15
NE11
NE12
NE11
NE10
E9
NE6
E7
E7
G10
E7
N6
G15
NE11
E6
NE8
E7
NE8
NE12
NE10
NE3
NE8
NE10
E6
NE6
E4
2 days
ago
E14
G18
E15
G19
E16
G21
E15
G19
NE13
G18
E10
G13
E12
E9
G12
NE9
G12
E8
E9
E11
E11
E8
G11
E12
E11
E11
G15
E11
G14
NE12
NE12
E12
G15
E12
G15
E13
E11
G15

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sacramento Executive Airport, CA4 mi20 minNNE 81.00 miFog/Mist52°F52°F100%1025.2 hPa
Sacramento, McClellan Airfield Airport, CA8 mi43 minN 81.75 miFog/Mist50°F50°F100%1025.7 hPa
Sacramento International Airport, CA10 mi20 minNNE 63.00 miFog/Mist52°F52°F100%1025 hPa
Sacramento Mather Airport, CA11 mi28 minN 83.00 miFog/Mist52°F50°F94%1025.1 hPa
University Airport, CA15 mi33 minN 810.00 miOvercast54°F53°F100%1025.7 hPa
Lincoln Regional Karl Harder Field, CA24 mi38 minN 710.00 miOvercast19°F17°F93%1025.1 hPa

Wind History from SAC (wind in knots)
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
Last 24hrE3E4E3E4SW6SW4CalmCalmSE5CalmCalmSE3SW4SE3CalmE6NW4NW4W3NW5W6N7N8N8
1 day agoCalmSW4CalmCalmSW4W6NE3--NE3W3NE6W9N7NE6E4--CalmCalmNW3W4CalmCalm4Calm
2 days agoCalmCalmS3CalmCalmCalmS3CalmCalmCalmCalmCalmS3Calm--NE3CalmCalmCalmNW3CalmCalmE3Calm

Tide / Current Tables for Sacramento #4, Sacramento River, California
   EDIT   RT Ports Option   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Sacramento #4
Click for Map
Tue -- 02:41 AM PST     -0.07 feet Low Tide
Tue -- 06:59 AM PST     Moonrise
Tue -- 07:21 AM PST     Sunrise
Tue -- 07:32 AM PST     2.58 feet High Tide
Tue -- 01:57 PM PST     0.92 feet Low Tide
Tue -- 05:07 PM PST     Moonset
Tue -- 05:10 PM PST     Sunset
Tue -- 05:58 PM PST     3.15 feet High Tide
Tue -- 06:18 PM PST     New Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.60.2-0-00.41.222.52.52.321.61.210.91.32.12.93.23.12.82.41.81.3

Tide / Current Tables for Clarksburg #4, Sacramento River, California
   EDIT      (on/off)   Help   One Week of Data
Clarksburg #4
Click for Map
Tue -- 01:11 AM PST     -0.07 feet Low Tide
Tue -- 06:23 AM PST     2.58 feet High Tide
Tue -- 06:59 AM PST     Moonrise
Tue -- 07:21 AM PST     Sunrise
Tue -- 12:27 PM PST     0.92 feet Low Tide
Tue -- 04:49 PM PST     3.15 feet High Tide
Tue -- 05:07 PM PST     Moonset
Tue -- 05:10 PM PST     Sunset
Tue -- 06:18 PM PST     New Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.1-0.10.10.71.52.12.52.52.21.81.41.10.911.52.433.232.72.21.71.10.7

Weather Map and Satellite Images
       (on/off)   Help
Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of CentralWestCoast    EDIT
Geos

Wind Forecast for Sacramento, CA (14,3,4,5)
      (on/off)   Help

Ground Weather Radar Station Sacramento, CA
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

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.