Saturday, September19, 2020
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L-36.com

Marine Weather and Tides
Clyde, CA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 6:52AMSunset 7:10PM Saturday September 19, 2020 12:01 PM PDT (19:01 UTC) Moonrise 8:27AMMoonset 7:57PM Illumination 6% Phase: Waxing Crescent; Moon at 2 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- 830 Am Pdt Sat Sep 19 2020
Today..SW winds 5 to 15 kt.
Tonight..SW winds 5 to 15 kt.
Sun..SW winds 5 to 15 kt.
Sun night..SW winds 5 to 15 kt.
Mon..SW winds 5 to 15 kt.
Mon night..SW winds 5 to 15 kt.
Tue..W winds 10 to 20 kt.
Wed..W winds 5 to 15 kt.
PZZ500 830 Am Pdt Sat Sep 19 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Winds will be generally light across the waters with locally stronger conditions along the big sur coast south of point sur. Winds will increase over the waters Saturday and into Saturday night. These winds will generate steep fresh swell resulting in hazardous seas conditions for smaller vessels. Mixed seas will continue with a shorter period northwest swell and a moderate period south to southwest swell. A longer period southwest swell will arrive Sunday morning.


7 Day Forecast for Marine Location Near Clyde, CA
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location: 38.06, -122.04     debug


Area Discussion for - Sacramento, CA
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FXUS66 KSTO 190930 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 230 AM PDT Sat Sep 19 2020

SYNOPSIS. A slight chance of showers in the western Shasta mountains late Thursday and Friday otherwise dry. Forecast high temperatures through the week expected mainly near to slightly below normal.

DISCUSSION. Cold front and associated upper trough has shifted into the Great Basin. Zonal flow follows over the weekend. 850 mb temperatures trend up with highs near to slightly below normal today. Several degrees of warming forecast Sunday with highs in the upper 80s to lower 90s for the Central Valley with mostly 70s to 80s for the mountains and foothills. Light to moderate Delta breeze expected over the weekend with an increase in wind during the afternoons and evenings.

Weak system moves into the PacNW Monday/Tuesday resulting in minor height/thickness falls over interior NorCal with some increased onshore flow. Highs cool into the upper 80s over the Central Valley Monday with mid 80s on Tuesday.

EXTENDED DISCUSSION (Wednesday THROUGH Saturday). NorCal will be under a flat ridge pattern between upper high over SoCal and progressive regime over the Pacific Northwest Wednesday and Thursday. This will lead to dry conditions, light winds and temperatures in the mid to upper 80's at Valley locations, slightly above normal for this time of year. Possible trough could push through the area Friday and Saturday. However GFS and Euro differ in timing with Euro 12-24 hours faster. Will keep low end precip chances over Northern Shasta county Friday afternoon and evening in line with Euro and NBM solutions.

AVIATION. VFR conditions next 24 hours at TAF sites. Localized areas of MVFR conditions near wildfires. Winds generally under 10 kts at TAF sites.

STO WATCHES/WARNINGS/ADVISORIES. None.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PCOC1 - 9415144 - Port Chicago, CA 0 mi44 min 68°F 69°F1015.9 hPa
MZXC1 - 9415102 - Martinez-Amorco CA 5 mi44 min 68°F 69°F1016.2 hPa
UPBC1 5 mi62 min WNW 6 G 8.9
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 8 mi44 min 71°F 1015.9 hPa
SFXC1 - San Francisco Bay Reserve, CA 10 mi77 min WNW 2.9
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 12 mi44 min 66°F 1016.2 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 20 mi50 min 65°F 1017 hPa
LNDC1 22 mi44 min 66°F 1016.5 hPa
RCMC1 - 9414863 - Richmond, CA 22 mi50 min 64°F 65°F1016.5 hPa
OKXC1 - 9414776 - Oakland (Berth 34), CA 23 mi44 min 66°F 1016.6 hPa
OBXC1 24 mi44 min 65°F 62°F
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 24 mi62 min SW 5.1 G 5.1
AAMC1 - 9414750 - Alameda, CA 24 mi44 min 64°F 67°F1016.8 hPa
TIBC1 - Tiburon Pier, San Francisco Bay, CA 24 mi39 min SE 5.1 65°F 1017 hPa
PXOC1 - 9414311 - San Francisco (Pier 1), CA 26 mi44 min 63°F 1015.6 hPa
PXSC1 26 mi44 min 64°F
FTPC1 - 9414290 - San Francisco, CA 29 mi44 min 63°F 64°F1016.8 hPa
46237 - San Francisco Bar, CA (142) 37 mi32 min 61°F3 ft
RTYC1 - 9414523 - Redwood City, CA 39 mi44 min 66°F 73°F1017.3 hPa
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 47 mi22 min NW 16 G 18 62°F1016.8 hPa

Wind History for Port Chicago, CA
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Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports. Follow links for more data.
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Concord, Buchanan Field, CA6 mi69 minNW 410.00 miSmoke73°F57°F57%1014.7 hPa
Fairfield / Travis Air Force Base, CA16 mi64 minN 710.00 miFair75°F58°F56%1016.5 hPa
Napa, Napa County Airport, CA16 mi68 minWSW 510.00 miFair68°F57°F70%1015.4 hPa
Vacaville Nut Tree Airport, CA22 mi69 minNNE 710.00 miFair75°F57°F54%1016.1 hPa

Link to 5 minute data for KCCR

Wind History from CCR (wind in knots)
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Last 24hrNW86W11W9
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SW11SW8W6W9SW6S5SW5S6SW6SW7SW8S6SW10S6S6S5CalmNW4--
1 day ago3N9W12NW11W14W13SW6W5W8SW7SW12SW10W7SW11S4S6S5S7S7S10SW6W10NW8NW9
2 days agoNW11NW9
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NW12NW14NW12NW12W7W7SW7SW6SE6S8S10S6S7S4S3CalmSW3S6S3SW35N8

Tide / Current Tables for Port Chicago, Suisun Bay, California
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Port Chicago
Click for Map
Sat -- 03:54 AM PDT     4.88 feet High Tide
Sat -- 06:53 AM PDT     Sunrise
Sat -- 09:28 AM PDT     Moonrise
Sat -- 10:14 AM PDT     0.28 feet Low Tide
Sat -- 04:13 PM PDT     5.04 feet High Tide
Sat -- 07:08 PM PDT     Sunset
Sat -- 08:56 PM PDT     Moonset
Sat -- 10:58 PM PDT     0.22 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.52.73.94.74.94.53.72.61.50.70.30.41.22.43.74.654.94.23.221.10.50.2

Tide / Current Tables for Roe Island S, Suisun Bay, California Current
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Roe Island S
Click for Map
Sat -- 12:08 AM PDT     0.00 knots Slack
Sat -- 02:38 AM PDT     0.95 knots Max Flood
Sat -- 05:40 AM PDT     -0.00 knots Slack
Sat -- 06:53 AM PDT     Sunrise
Sat -- 08:39 AM PDT     -2.14 knots Max Ebb
Sat -- 09:28 AM PDT     Moonrise
Sat -- 12:11 PM PDT     0.00 knots Slack
Sat -- 02:42 PM PDT     1.07 knots Max Flood
Sat -- 05:56 PM PDT     -0.00 knots Slack
Sat -- 07:08 PM PDT     Sunset
Sat -- 08:56 PM PDT     Moonset
Sat -- 09:13 PM PDT     -2.21 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.10.50.90.90.70.3-0.4-1.4-2-2.1-1.8-1.2-0.20.511.10.90.5-0.1-1.1-1.9-2.2-2.1-1.7

Weather Map
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wmap_P
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
Ground Weather Radar Station Sacramento, CA
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weather_mapweather_map weather_map


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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 numerous 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.