Tuesday, May22, 2018 L-36.com


Marine Weather and Tides
Clyde, CA

Version 3.4
What's New / NOTES
5/20/2018 -- NOAA is having problems with the data feed that I use to draw the graphs. They are aware of the issue and working to resolve it. Sometimes changing the location by about a mile will give a correct graph. 3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.

Sunrise 5:49AMSunset 8:19PM Tuesday May 22, 2018 12:28 PM PDT (19:28 UTC) Moonrise 12:27PMMoonset 1:14AM Illumination 55% Phase: First Quarter Moon; Moon at 8 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- 815 Am Pdt Tue May 22 2018
.small craft advisory in effect from 3 pm pdt this afternoon through this evening...
Today..SW winds 5 to 15 kt...increasing to 15 to 25 kt in the afternoon.
Tonight..SW winds 15 to 25 kt...decreasing to 5 to 15 kt by midnight.
Wed..SW winds 10 to 20 kt.
Wed night..SW winds 10 to 20 kt.
Thu..SW winds 10 to 20 kt. Slight chance of showers after midnight.
Fri..SW winds 5 to 15 kt. Slight chance of showers.
Sat..W winds 10 kt.
PZZ500 815 Am Pdt Tue May 22 2018
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Winds will continue to decrease through the day as high pressure over the eastern pacific weakens. Winds will turn southerly by Thursday morning as a weak low pressure system approaches from the west. This low will bring a chance of showers Thursday through Friday night. A long period southwest swell will persist with a shorter period northwest swell through the majority of the week.

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 220907
afdsto
area forecast discussion
national weather service sacramento ca
207 am pdt Tue may 22 2018

Synopsis
Afternoon and evening thunderstorms possible mainly over higher
terrain this week. These may extend through the valley late in the
week. Slightly cooler than normal temperatures continue across
most of the region this week warming to above normal early next
week.

Discussion
A low pressure area centered over nevada will drift northward
during the day. We will still have predominately easterly flow
aloft so activity that starts in the mountains during the day will
be trying to push towards the valley once again with the best
chances in the valley during the evening hours over the
central and northern sacramento valley. The delta breeze is
expected to remain moderate to locally strong through the day and
tonight. This will help to keep inland temperatures fairly cool
today for this time of year. The only exception will be over the
north end of the valley which will warm well into the 80s. Some
stratus will possibly advect into the valley the next couple of
mornings.

A low pressure area centered to our northwest will not only help
to keep an enhanced delta breeze but may help to keep some showers
overnight on Tuesday in the mountains.

On Wednesday we will still have a decent delta breeze in place and
temperatures are expected to be slightly cooler across the
region. Unstable air over the mountains will continue with
possible afternoon and evening thunderstorm activity.

The low pressure area to our northwest will continue to move
closer to the region Thursday and Friday moving through Friday
night. This low will have cooler air associated with it so expect
temperatures to remain below normal for the latter part of the
week and unstable conditions each day. Snow levels may drop to
around pass levels during the day and below Friday night. At this
time though precipitation amounts look light but 2 to 4 inches of
snow across the peaks looks possible. There should be an increase
in shower activity as that low moves closer and through the
region Friday and Friday night.

.Extended discussion (Saturday through Tuesday)
a low pressure area will be passing through during the morning
hours and into nevada in the afternoon on Saturday. Colder air
associated with the low may bring some snow down around pass
levels but at this time the amount of precipitation is minimal so
not expecting much at or below pass levels. The precipitation
should be winding down Saturday night as the low moves further to
the east. Behind the system northerly winds will develop and
temperatures will be warming up to between 85 and 95 for most
valley locations with 90s possible both Monday and Tuesday of next
week.

Aviation
Showers and thunderstorms are expected once again over the
western slopes and will continue through the evening. The activity
may spread into the central and northern sacramento valley mainly
this evening. Local MVFR ifr conditions possible in storms.

Otherwise, mainlyVFR conditions over interior norcal next 24
hours with a chance of stratus spreading into the sacramento
region after 10z with CIGS between 800-1200 ft deep. Gusts 30 to
35 kts in delta until 12z Wednesday, winds mainly staying less
than 15 knots 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 mi41 min S 13 G 18 61°F 64°F1011.9 hPa
MZXC1 - 9415102 - Martinez-Amorco CA 5 mi41 min W 7 G 9.9 61°F 64°F1012.1 hPa60°F
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 8 mi47 min WNW 9.9 G 13 64°F 1011.4 hPa
SFXC1 - San Francisco Bay Reserve, CA 10 mi104 min WNW 8.9 63°F 1012 hPa54°F
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 12 mi41 min SW 13 G 17 58°F 1012 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 20 mi41 min S 13 G 15 55°F 1013.3 hPa
RCMC1 - 9414863 - Richmond, CA 22 mi41 min SSE 8 G 11 55°F 61°F1012.7 hPa
LNDC1 22 mi41 min SW 8 G 9.9 55°F 1013.5 hPa
OKXC1 - 9414776 - Oakland (Berth 34), CA 23 mi41 min SW 6 G 9.9 56°F 1013.5 hPa
TIBC1 - Tiburon Pier, San Francisco Bay, CA 24 mi156 min SE 6 53°F 1013 hPa (+1.0)
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 24 mi41 min SW 8 G 11
OBXC1 24 mi41 min 55°F 52°F
AAMC1 - 9414750 - Alameda, CA 24 mi41 min SW 7 G 11 55°F 64°F1013.8 hPa
PXSC1 26 mi41 min 56°F 52°F
PXOC1 - 9414311 - San Francisco (Pier 1), CA 26 mi41 min W 7 G 11 55°F 1012.4 hPa
FTPC1 - 9414290 - San Francisco, CA 29 mi41 min SW 11 G 14 55°F 56°F1013.5 hPa
46237 - San Francisco Bar, CA (142) 37 mi59 min 54°F5 ft
RTYC1 - 9414523 - Redwood City, CA 39 mi41 min W 14 G 16 56°F 65°F1014.2 hPa
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 47 mi29 min W 5.8 G 9.7 52°F 51°F1014.4 hPa (+0.6)52°F

Wind History for Port Chicago, CA
(wind in knots)    EDIT      (on/off)   Help
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Last
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W12
G15
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W17
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G21
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SW8
G20
SW8
G18
S13
G21
S14
G25
S13
G22
SW10
G17
SW9
G18
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G18
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G16
SW7
G13
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G14
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G13
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G12
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G20
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S14
G20
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W14
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G17
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G15
SW14
G19
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G22
S12
G23
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G21
SW9
G14
SW7
G15
SW11
G16
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G16
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G15
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G14
S9
G13
SW6
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G15
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G11
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G15
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SW11
G17
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G22
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G21
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G22
SW13
G20
SW12
G17
SW8
G15
S11
G18
SW7
G15
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G18
SW9
G14
SW9
G12
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G13
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G18
SW15
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G17
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G19
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G21
SW12
G17
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G14
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SW6
G14
S9
G13
S14
G17

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Concord, Buchanan Field, CA6 mi36 minSSW 1610.00 miA Few Clouds63°F51°F65%1011.1 hPa
Napa, Napa County Airport, CA16 mi35 minSSW 1010.00 miMostly Cloudy60°F51°F72%1011.6 hPa
Fairfield / Travis Air Force Base, CA16 mi91 minWSW 1710.00 miFair64°F51°F63%1011.8 hPa
Vacaville Nut Tree Airport, CA22 mi36 minSSW 1110.00 miFair71°F57°F63%1011.1 hPa

Wind History from CCR (wind in knots)
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Last 24hrSW9SW9SW14S15S15S14S18S19
G26
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G24
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G29
S20
G26
S18
G24
S15
G22
S15S11S12
G20
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G22
S15S16S16
G23
S17S15S16
1 day agoS16S15
G23
S14S16S15S18S15S16
G24
S14
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S12S10S12S14S13S11S11S9S9S9S10SW8S755
2 days agoS16S18S16S16S15S15S20S15S18
G24
S20
G26
S16S15S13SW12SW12S10S10S13SW11SW10S11S12SW14S15
G20

Tide / Current Tables for Port Chicago, Suisun Bay, California
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Port Chicago
Click for Map
Tue -- 02:13 AM PDT     Moonset
Tue -- 03:00 AM PDT     1.42 feet Low Tide
Tue -- 05:52 AM PDT     Sunrise
Tue -- 08:23 AM PDT     3.89 feet High Tide
Tue -- 01:27 PM PDT     Moonrise
Tue -- 03:40 PM PDT     -0.31 feet Low Tide
Tue -- 08:17 PM PDT     Sunset
Tue -- 10:18 PM PDT     4.38 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.82.11.61.41.62.333.63.93.83.42.71.80.90.2-0.2-0.30.112.13.13.94.44.2

Tide / Current Tables for Roe Island S, Suisun Bay, California Current
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Roe Island S
Click for Map
Tue -- 02:12 AM PDT     -1.36 knots Max Ebb
Tue -- 02:13 AM PDT     Moonset
Tue -- 05:07 AM PDT     0.00 knots Slack
Tue -- 05:52 AM PDT     Sunrise
Tue -- 07:25 AM PDT     0.63 knots Max Flood
Tue -- 10:10 AM PDT     -0.00 knots Slack
Tue -- 01:27 PM PDT     Moonrise
Tue -- 01:51 PM PDT     -2.08 knots Max Ebb
Tue -- 05:48 PM PDT     0.01 knots Slack
Tue -- 08:17 PM PDT     Sunset
Tue -- 09:09 PM PDT     0.94 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.5-1.1-1.4-1.3-0.8-0.10.40.60.60.40.1-0.7-1.5-2-2.1-1.9-1.5-0.70.10.60.80.90.90.6

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 (15,3,4,5)
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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.