Sunday, July22, 2018 L-36.com


Marine Weather and Tides
Walnut Grove, CA

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What's New / NOTES
7/21/2018 Trying to make page Mobile Friendly

Sunrise 5:58AMSunset 8:24PM Sunday July 22, 2018 12:04 AM PDT (07:04 UTC) Moonrise 3:23PMMoonset 1:09AM Illumination 69% 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 San Francisco Bay North Of The Bay Bridge- 854 Pm Pdt Sat Jul 21 2018
.small craft advisory in effect until 10 pm pdt this evening...
Tonight..SW winds 15 to 25 kt...diminishing to 5 to 15 kt after midnight.
Sun..SW winds 5 to 15 kt increasing to 10 to 20 kt with gusts up to 30 kt in the afternoon.
Sun night..SW winds 10 to 20 kt with gusts up to 30 kt.
Mon..SW winds 15 to 25 kt with gusts up to 35 kt.
Mon night..SW winds 10 to 20 kt with gusts up to 30 kt.
Tue..SW winds 10 to 20 kt with gusts up to 30 kt.
Tue night..W winds 10 to 20 kt with gusts up to 30 kt.
Wed..W winds 10 to 20 kt.
Thu..SW winds 10 to 20 kt.
PZZ500 854 Pm Pdt Sat Jul 21 2018
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Mostly light winds are forecast to persist across the coastal waters through the remainder of the weekend. Northwesterly winds are then forecast to increase through much of the coming week. Two long period southerly swells will impact the region this weekend and early next week.

7 Day Forecast for Marine Location Near Walnut Grove, CA
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location: 38.23, -121.49     debug


Area Discussion for - Sacramento, CA
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Fxus66 ksto 212230
afdsto
area forecast discussion
national weather service sacramento ca
330 pm pdt Sat jul 21 2018

Synopsis
Near this weekend with the potential for isolated thunderstorms
in the mountains. Hot weather returns next week, peaking mid week.

Discussion
Mostly sunny weather today with temperatures near normal. It's generally
a little cooler than yesterday, with onshore flow and a delta
breeze. Monsoonal moisture is bringing some convection into the
northern sierra, though most activity is focused east of the
crest. Lack of a shortwave to provide lift is the factor limiting
thunderstorm development.

Sunday will be similar to today, except that some
afternoon evening thunderstorm activity may extend into the
northern coastal range and around lassen park and eastern shasta
county as monsoonal moisture spreads northward. Monday and Tuesday
convection should be limited to the northern sierra again.

Warmer temperatures return early next week as ridge of high
pressure strengthens and retrogrades westward. Locations over the
northern sacramento valley will likely exceed the century mark
early next week, reaching up to 105-108. Current trends suggest onshore
flow could limit significant daytime heating near the delta-
influenced areas, with temperatures in the upper 90s to around
100 in the southern sacramento and northern san joaquin valleys.

An excessive heat watch is in effect for the valley and adjacent
foothills Tuesday through Thursday. At this point it appears the
most likely area for a possible warning or watch is to the north
of i80. Ek
.Extended discussion (Wednesday through Saturday)
high pressure ridge that will be centered over the great basin
area early next week will begin to retrograde Wednesday through
late next week. Hot weather continues with temperatures topping
our at 100-110 degrees through the valley on Wednesday. Upper
level flow flattens out slightly over norcal Thursday into the
weekend as the ridge continues to retrograde. This will allow
temperatures to fall somewhat, though still expect valley
temperatures to be warm. An excessive heat watch is still in
effect through Thursday night. Onshore flow is expected to
continue through late next week which will help keep overnight
temperatures in the 60s near the delta region. Thunderstorm
chances will mostly remain east of the sierra crest south of lake
tahoe through Thursday. Hec

Aviation
Vfr conditions the next 24 hours. Isolated thunderstorms possible
northern sierra nevada and vicinity mt lassen 22z-03z. Southwest
winds 15-25 kts near the delta with winds 10-15 kts elsewhere 22z-
05z. &&

Sto watches warnings advisories
Excessive heat watch from Tuesday afternoon through Thursday
evening for central sacramento valley-clear lake southern lake
county-motherlode-mountains southwestern shasta county to
northern lake county-northeast foothills sacramento valley-
northern sacramento valley-northern san joaquin valley-shasta
lake area northern shasta county-southern sacramento valley-
western plumas county lassen park.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 25 mi35 min NW 13 G 20 67°F 1015.3 hPa
SFXC1 - San Francisco Bay Reserve, CA 28 mi80 min W 11 64°F 1016 hPa58°F
PCOC1 - 9415144 - Port Chicago, CA 31 mi35 min WSW 18 G 22 70°F1016.2 hPa
MZXC1 - 9415102 - Martinez-Amorco CA 36 mi35 min 69°F
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 43 mi35 min WSW 12 G 14 63°F 1016.7 hPa
AAMC1 - 9414750 - Alameda, CA 53 mi41 min WNW 4.1 G 5.1 62°F 70°F1017.8 hPa

Wind History for Port Chicago, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sacramento Executive Airport, CA20 mi72 minS 710.00 miFair70°F55°F61%1014.5 hPa
Fairfield / Travis Air Force Base, CA24 mi67 minSW 22 G 2810.00 miFair and Breezy65°F56°F75%1014.5 hPa

Wind History from SAC (wind in knots)
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Last 24hrS6SW7S5S76SW6S5S4SW8SW10
G16
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1 day agoS5S6S6S6S6SE7S6S5SW9SW8SW9SW7SW9SW11SW13
G18
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2 days agoS3S4S5S5S5S5S6S6SW9SW7SW8SW6SW7SW7SW96SW9S6S8S11S10
G17
S7CalmSW7

Tide / Current Tables for New Hope Bridge #4, San Joaquin River, California
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New Hope Bridge #4
Click for Map
Sun -- 02:08 AM PDT     Moonset
Sun -- 02:55 AM PDT     3.71 feet High Tide
Sun -- 06:00 AM PDT     Sunrise
Sun -- 10:47 AM PDT     0.12 feet Low Tide
Sun -- 04:05 PM PDT     2.63 feet High Tide
Sun -- 04:22 PM PDT     Moonrise
Sun -- 08:24 PM PDT     Sunset
Sun -- 09:50 PM PDT     1.05 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.43.13.53.73.53.12.51.81.20.60.20.10.51.11.82.42.62.52.11.71.41.11.11.3

Tide / Current Tables for Vulcan Island .5 mi E, San Joaquin River, California Current
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Vulcan Island .5 mi E
Click for Map
Sun -- 12:08 AM PDT     0.70 knots Max Flood
Sun -- 02:08 AM PDT     Moonset
Sun -- 03:45 AM PDT     -0.00 knots Slack
Sun -- 06:00 AM PDT     Sunrise
Sun -- 07:33 AM PDT     -0.58 knots Max Ebb
Sun -- 11:09 AM PDT     0.00 knots Slack
Sun -- 01:57 PM PDT     0.52 knots Max Flood
Sun -- 04:21 PM PDT     Moonrise
Sun -- 04:44 PM PDT     -0.00 knots Slack
Sun -- 07:20 PM PDT     -0.32 knots Max Ebb
Sun -- 08:23 PM PDT     Sunset
Sun -- 09:51 PM PDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.70.70.50.2-0.1-0.3-0.5-0.6-0.6-0.5-0.2-00.20.40.50.40.2-0.1-0.2-0.3-0.3-0.20.10.4

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 (3,6,7,8)
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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.