Thursday, August22, 2019 L-36.com


Marine Weather and Tides
Bethel Island, CA

Version 3.4
NOTICE
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 6:26AMSunset 7:52PM Thursday August 22, 2019 10:49 AM PDT (17:49 UTC) Moonrise 10:51PMMoonset 12:02PM Illumination 54% Phase: Third Quarter Moon; Moon at 22 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- 916 Am Pdt Thu Aug 22 2019
Today..SW winds 5 to 10 kt, increasing to 10 to 15 kt this afternoon.
Tonight..SW winds 15 to 20 kt with gusts up to 25 kt.
Fri..SW winds 10 to 20 kt with gusts up to 25 kt.
Fri night..SW winds 10 to 15 kt.
Sat..SW winds 10 to 15 kt.
Sat night..SW winds 5 to 10 kt.
Sun..SW winds 15 to 20 kt.
Mon..SW winds 15 to 20 kt.
PZZ500 916 Am Pdt Thu Aug 22 2019
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Northwest winds will increase across the coastal waters today. Infrequent gale force gusts will also be possible in the outer waters north of point reyes. Winds will weaken drastically on Friday and become southwesterly along the coast. Mixed seas will continue with shorter period northwest waves around 6 seconds, a light longer period west swell, and a light southerly swell.


7 Day Forecast for Marine Location Near Bethel Island, CA
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location: 38.01, -121.64     debug


Area Discussion for - Sacramento, CA
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Fxus66 ksto 220938
afdsto
area forecast discussion
national weather service sacramento ca
238 am pdt Thu aug 22 2019

Synopsis
Above average temperatures are expected into next week. Dry
weather pattern continues.

Discussion
Latest satellite imagery indicates high clouds spreading sewd
across interior norcal as upper level trough moves through the
pacnw. Therefore, cloud cover has kept current temperatures
generally 5 to 15 degrees warmer than 24 hours ago.

Above normal temperatures are expected through the forecast
period as the upper trough exits the region, and strong high
pressure builds over norcal. Northerly winds will develop behind
the trough, boosting high temperatures a degree or two compared
to yesterday's readings. Valley locations should see temperatures
in the mid 90s to around 104, while highs in the low 70s to mid
80s are expected over the mountains. These forecast highs will
range from 5 to 10 degrees above normal. Overnight lows will
provide some relief from the hot daytime temperatures, with valley
readings in the 60s.

Extended discussion (Monday through Thursday)
Upper high extends NW from the desert SW over interior norcal as
epac high extends inland. Weak upper low lifts from the SW over
norcal Wednesday into Thursday. This will result in gradual
downward trend in high temperatures, but continued above normal
temperatures with triple digit heat in the northern sacramento
valley and upper 90s elsewhere in the central valley. Dry weather
forecast through the extended period.

Aviation
Vfr conds ovr intr norcal nxt 24 hrs. Sfc wnds genly blo 12 kts
exc LCL gsts to 25 kts in delta and ovr hyr trrn this aftn into
tngt.

Sto watches warnings advisories
None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 13 mi50 min NW 6 G 8.9 78°F 1008.6 hPa (+0.5)
PCOC1 - 9415144 - Port Chicago, CA 21 mi50 min W 8.9 G 11 73°F 72°F1009.2 hPa (+0.0)
SFXC1 - San Francisco Bay Reserve, CA 24 mi65 min W 5.1 76°F 1009 hPa67°F
UPBC1 26 mi50 min NW 6 G 8
MZXC1 - 9415102 - Martinez-Amorco CA 26 mi50 min WNW 8 G 8.9 73°F 72°F1009.3 hPa (+0.0)
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 33 mi50 min W 5.1 G 6 71°F 1009.3 hPa
LNDC1 37 mi50 min WSW 2.9 G 4.1 65°F 1010.1 hPa (+0.4)
AAMC1 - 9414750 - Alameda, CA 39 mi56 min WSW 2.9 G 5.1 64°F 71°F1010.7 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 39 mi50 min SSW 5.1 G 5.1
OKXC1 - 9414776 - Oakland (Berth 34), CA 39 mi50 min SSW 4.1 G 5.1 65°F 1010.2 hPa (+0.5)
PPXC1 - 9414847 - Richmond (Point Potrero), CA 39 mi50 min S 7 G 8.9 64°F 1010.4 hPa
OBXC1 40 mi50 min 64°F 64°F
RCMC1 - 9414863 - Richmond, CA 41 mi56 min SSE 7 G 8.9 64°F 66°F1009.8 hPa
PXOC1 - 9414311 - San Francisco (Pier 1), CA 43 mi50 min NNE 2.9 G 4.1 65°F 1009.2 hPa
PXSC1 43 mi50 min 65°F 65°F
TIBC1 - Tiburon Pier, San Francisco Bay, CA 44 mi69 min SSE 8.9 65°F 1010 hPa
RTYC1 - 9414523 - Redwood City, CA 46 mi50 min N 2.9 G 5.1 69°F 75°F1010.6 hPa (+0.0)
FTPC1 - 9414290 - San Francisco, CA 46 mi56 min WSW 6 G 8.9 62°F 64°F1010.5 hPa

Wind History for Port Chicago, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Concord, Buchanan Field, CA22 mi57 minSW 410.00 miFair78°F64°F62%1007.9 hPa
Stockton, Stockton Metropolitan Airport, CA22 mi55 minWNW 910.00 miFair81°F64°F58%1008.5 hPa
Livermore, Livermore Municipal Airport, CA23 mi57 minNW 410.00 miA Few Clouds74°F64°F74%1009.3 hPa
Fairfield / Travis Air Force Base, CA24 mi52 minN 010.00 miFair86°F65°F51%1009.4 hPa

Link to 5 minute data for KSCK

Wind History from SCK (wind in knots)
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Last 24hrW8NW8N8NW8NW9NW7NW12NW10W15W9W8W11W12W8NW7NW5NW5W5W7W7NW4W4NW9W9
1 day agoW73W7NW9W10
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NW10W15W14W14W12W9W6NW6CalmCalmCalmCalmCalmCalmN3N3N3NW5
2 days ago456644NW9W11W12W10W12W14
G19
W8NW6NW3NE36W11NW9NW6NW5NW11N45

Tide / Current Tables for Irish Landing, Sand Mound Slough, San Joaquin River, California
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Irish Landing
Click for Map
Thu -- 05:15 AM PDT     0.83 feet Low Tide
Thu -- 06:27 AM PDT     Sunrise
Thu -- 11:03 AM PDT     2.44 feet High Tide
Thu -- 01:02 PM PDT     Moonset
Thu -- 04:32 PM PDT     0.86 feet Low Tide
Thu -- 07:50 PM PDT     Sunset
Thu -- 10:36 PM PDT     3.49 feet High Tide
Thu -- 11:50 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.92.41.81.310.80.91.21.62.12.32.42.42.11.61.20.90.91.21.72.433.43.5

Tide / Current Tables for West Island Lt .5 mi SE, San Joaquin River, California Current
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West Island Lt .5 mi SE
Click for Map
Thu -- 01:24 AM PDT     -0.68 knots Max Ebb
Thu -- 05:39 AM PDT     0.00 knots Slack
Thu -- 06:28 AM PDT     Sunrise
Thu -- 08:12 AM PDT     0.26 knots Max Flood
Thu -- 11:06 AM PDT     -0.00 knots Slack
Thu -- 01:02 PM PDT     Moonset
Thu -- 01:57 PM PDT     -0.48 knots Max Ebb
Thu -- 05:03 PM PDT     0.00 knots Slack
Thu -- 07:51 PM PDT     Sunset
Thu -- 08:03 PM PDT     0.46 knots Max Flood
Thu -- 10:57 PM PDT     -0.00 knots Slack
Thu -- 11:51 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.5-0.7-0.7-0.6-0.4-0.20.10.20.30.20.20-0.2-0.4-0.5-0.4-0.3-00.20.40.50.40.2-0

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 (13,3,4,5)
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Ground Weather Radar Station Sacramento, CA
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weather_mapweather_map weather_map

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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.