Tuesday, December10, 2019
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Marine Weather and Tides
Fort Washington, CA

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:59AMSunset 4:44PM Tuesday December 10, 2019 7:38 AM PST (15:38 UTC) Moonrise 4:55PMMoonset 6:20AM Illumination 98% Phase: Waxing Gibbous; Moon at 14 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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7 Day Forecast for Marine Location Near Fort Washington, CA
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location: 36.87, -119.76     debug


Area Discussion for - San Joaquin Valley/Hanford, CA
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FXUS66 KHNX 101327 CCA AFDHNX

Area Forecast Discussion National Weather Service Hanford CA 327 AM PST Tue Dec 10 2019

SYNOPSIS. A trough will move through the Central California Interior by Wednesday morning which may bring a few showers to the Southern Sierra tonight. Ridge then builds back into the area into Friday. A weak disturbance may bring some light showers over the Sierra late Friday into Saturday.

DISCUSSION. Complicated weather pattern this morning as areas of dense fog has developed across the SJV. A Dense fog advisory is in effect until 1100 AM PST. High clouds are moving overhead in association with a front off the CA coast that is forecast to move across the region tonight.

We are thinking that the fog will lift later this morning to a stratus deck that will lock in as warm air overrides the trapped cold air near the surface. Once the trough moves through later tonight, we are forecasting areas of drizzle to develop across the SJV . mainly north of Kern county. We have put in slight chance of showers in the Sierra tonight as the front pushes through. The NAM12 was advertising some light QPF mainly across the YNP area.

So . if the stratus deck does not materialize, then we probably wont see the drizzle and skies will be cloudy with high clouds over the area. It is a very difficult forecast with so many things happening at multiple layers in the troposphere. Confidence is very low with overcast conditions for today and drizzle for this evening. We have seen this pattern before play out this way and believe that this a possible solution. There will be some mixing as the front moves through by Wednesday morning . so clearing is expected in the SJV. However there will be some clouds banked up along the west facing slopes of the Sierra in a post frontal environment. Little change in temperatures through Friday . maybe a degree or two increase as the ridge tries to build Thursday behind the trough tonight.

A stronger trough is forecast to impact the region on Friday afternoon through Saturday evening. The models are in decent agreement that a cold front will push through the region bringing some rain and high elevation snow. Right now the QPF does not look that impressive as the upper ridge will try to hold in place and weaken the front. This event is still several days out and confidence is only medium at this point.

AVIATION. IFR/LIFR in fog and low ceilings in the Southern San Joaquin Valley through 19Z Today. MVFR in haze and ceilings through 06z in the SJV. Mountain obscuration in showers and clouds from 06z through 12z Wed. Areas of drizzle after 06z in the SJV mainly north of BFL. Otherwise, VFR conditions expected in the higher elevations of the Sierra and Kern County mountains and Desert.

AIR QUALITY ISSUES. None.

CERTAINTY.

The level of certainty for days 1 and 2 is low. The level of certainty for days 3 through 7 is medium.

Certainty levels include low . medium . and high. Please visit www.weather.gov/hnx/certainty.html for additional information an/or to provide feedback.

HNX WATCHES/WARNINGS/ADVISORIES. Dense Fog Advisory until 11 AM PST this morning for CAZ180>189.



public . JDB aviation . DCH

weather.gov/hanford


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fresno, Fresno Air Terminal, CA7 mi46 minN 00.25 miFog47°F46°F97%1024.5 hPa
Madera Municipal Airport, CA20 mi46 minESE 40.25 miFog45°F44°F97%1024.4 hPa

Link to 5 minute data for KFAT

Wind History from FAT (wind in knots)
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Last 24hrCalmCalmS3S5S4SE4CalmW3E5E4NE3NE3E3E4CalmCalmCalmNE4CalmCalmN3CalmW3Calm
1 day agoSE3E6E4S6SW3N8NE5SE8NE6NW4N4CalmCalmCalmNW6NW4NE3CalmW3N4CalmCalmCalmCalm
2 days agoE10SE9E9SE8SE11SE13E8E10SE9SE11SE11SE9SE9E7SE11SE9SE9SE10E8E10SE7E5E3Calm

Tide / Current Tables for
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Tide / Current Tables for
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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
Wind Forecast for San Joaquin Valley/Hanford, CA (10,2,3,4)
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Ground Weather Radar Station San Joaquin Valley, CA
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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.