Monday, October14, 2019 L-36.com


Marine Weather and Tides
Redwood, 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 7:14AMSunset 6:34PM Monday October 14, 2019 6:03 PM PDT (01:03 UTC) Moonrise 6:26PMMoonset 6:53AM Illumination 98% Phase: Waning Gibbous; Moon at 16 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- 242 Pm Pdt Mon Oct 14 2019
Tonight..SW winds 5 to 15 kt.
Tue..SW winds up to 10 kt.
Tue night..SW winds 5 to 15 kt.
Wed..SW winds 5 to 15 kt.
Wed night..SW winds 5 to 10 kt. A slight chance of rain.
Thu..NW winds 5 to 15 kt.
Thu night..W winds 5 to 10 kt.
Fri..W winds 5 to 15 kt.
Sat..W winds 10 to 20 kt with gusts up to 25 kt.
PZZ500 242 Pm Pdt Mon Oct 14 2019
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Generally light northwest winds will prevail over the coastal waters through Tuesday. Mixed seas will continue over the next few days with a light shorter period northwest swell and a light southerly swell. A larger moderate period northwest swell is forecast to arrive later this week with forerunners expected in the next couple days.


7 Day Forecast for Marine Location Near Redwood, CA
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location: 37.52, -122.2     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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Fxus66 kmtr 150019
afdmtr
area forecast discussion
national weather service san francisco bay area
519 pm pdt Mon oct 14 2019

Synopsis Slight warming is expected Tuesday ahead of a weak
frontal system that will move through the region late on Wednesday.

This may produce light rain over the northern portions of the
north bay late Wednesday and Wednesday night. Post-frontal breezy
conditions and cooler temperatures are expected from late
Wednesday through Thursday and may persist into the upcoming
weekend.

Discussion As of 01:53 pm pdt Monday... Satellite imagery shows
low clouds just offshore with mostly clear skies over land.

Temperatures across the region are in the 60s and 70s a few
degrees cooler than yesterday. Some additional warming can be
expected the rest of the afternoon with highs in the mid 60s to
low 70s at the coast to 70s and low 80s inland. Synoptically, the
upper trough that has been over much of the west coast has begun
to shift eastward while a weak short-wave ridge starts to move in
to take its place. Behind this ridging is an upper low in the gulf
of alaska with a cold front approaching california and the
pacific northwest.

These features will drive our weather pattern for much of this
week. The weak short wave ridge will move over california by
tomorrow allowing for a slight increase in temperatures across
the region. Coastal areas will remain in the upper 60s to low 70s
with 70s to low 80s across the interior. Isolated inland locations
will reach the mid 80s. This ridging will be quickly overcome by
an upper low approaching western canada with a trough extending
southward along the west coast of the u.S. This will allow
temperatures to cool some on Wednesday ahead of the system.

A weak cold front will then move into northern california late
Wednesday and Wednesday night bringing a slight chance of rain to
the north bay. Not more than a few hundredths is expected out of
this system with measurable rainfall south of sonoma county still
unlikely. The upper trough and surface cold front will also act
to cool temperatures further across the region with afternoon
highs across the interior in the 70s by Thursday. Locally gusty
northwesterly winds are expected behind the front into Thursday,
mainly along the coast. These winds will accompany higher relative
humidity values lessening fire concerns. Breezy afternoon
conditions may continue through late this week and into the coming
weekend with temperatures just below seasonal averages.

Looking into this weekend, models show a shortwave trough moving
in to our north on Saturday. Both the 12z GFS and the ECMWF show
some showers over the far northern portions of the region, but
differ on timing. Regardless, the best shower chances will be
outside of our area. As the trough continues to shift inland into
the great basin over the weekend, models do show northerly winds
developing by Sunday and Monday as an upper ridge builds over the
eastern pacific. These winds do not look to be strong enough to raise
significant fire weather concerns at this point. This set up will
also bring some warming and drying to the region into early next
week.

Aviation As of 5:00 pm pdt Monday... Satellite imagery shows
more stratus over the coastal waters than yesterday. An upper
level ridge is moving over the area and there is an indication
that a marine layer is developing at around 1000 feet. This could
bring stratus into the mry bay area early tonight. Stratus should
spread into the east bay tonight and will have to monitor for the
stratus spreading into sfo late tonight. For now will keep cigs
out of sfo since the marine layer will be shallow. Fog likely once
again in the north bay valleys and ksts.

Vicinity of ksfo...VFR conditions are forecast to maintain.

Confidence is not high as more stratus is expected into the east
bay and could possibly spread into sfo. For now have keptVFR
conditions since the marine layer is expected to be too shallow.

Sfo bridge approach... Same as ksfo.

Monterey bay terminals... Satellite image shows stratocumulus
clouds approaching the monterey peninsula. This will bring
scattered clouds to mry after 01-02z with CIGS after 04-06z.

Sns being further inland should stayVFR through 06-08z.

Marine As of 04:43 pm pdt Monday... Generally light northwest
winds will prevail over the coastal waters through Tuesday. Mixed
seas will continue over the next few days with a light shorter
period northwest swell and a light southerly swell. A larger
moderate period northwest swell is forecast to arrive later this
week with forerunners expected in the next couple days.

Mtr watches warnings advisories
Tngt None.

Public forecast: as
aviation: W pi
marine: st
visit us at

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RTYC1 - 9414523 - Redwood City, CA 1 mi45 min NNW 11 G 12 63°F 67°F1015.1 hPa
AAMC1 - 9414750 - Alameda, CA 18 mi51 min W 11 G 12 60°F 63°F1015.3 hPa
LNDC1 19 mi45 min WNW 5.1 G 8.9 62°F 1014.7 hPa
OBXC1 21 mi45 min 59°F 53°F
OKXC1 - 9414776 - Oakland (Berth 34), CA 21 mi45 min W 8 G 11 59°F 1014.7 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 21 mi51 min W 9.9 G 14
PXOC1 - 9414311 - San Francisco (Pier 1), CA 22 mi51 min WSW 8.9 G 15 58°F 1013.8 hPa
PXSC1 22 mi45 min 60°F 52°F
FTPC1 - 9414290 - San Francisco, CA 24 mi51 min W 6 G 16 56°F 57°F1015.2 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 28 mi51 min SW 5.1 G 6 62°F 1015 hPa
46237 - San Francisco Bar, CA (142) 29 mi63 min 56°F5 ft
TIBC1 - Tiburon Pier, San Francisco Bay, CA 29 mi76 min SW 7 60°F 1014 hPa
RCMC1 - 9414863 - Richmond, CA 30 mi45 min 61°F
UPBC1 36 mi45 min WNW 8.9 G 11
MZXC1 - 9415102 - Martinez-Amorco CA 36 mi51 min WNW 8.9 G 9.9 71°F 64°F1013.6 hPa44°F
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 37 mi45 min W 9.9 G 14 66°F 1013.5 hPa
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 38 mi43 min NNW 5.8 G 7.8 54°F 55°F1015.6 hPa
PCOC1 - 9415144 - Port Chicago, CA 38 mi45 min WSW 6 G 8 72°F 65°F1013.6 hPa
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 40 mi45 min WNW 6 G 8.9 73°F 1013.2 hPa
SFXC1 - San Francisco Bay Reserve, CA 48 mi78 min W 6 76°F 1014 hPa41°F

Wind History for Redwood City, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
San Carlos Airport, CA3 mi76 minNNW 810.00 miClear66°F48°F52%1014.9 hPa
Palo Alto Airport, CA5 mi76 minNW 1110.00 miClear66°F51°F60%1014.6 hPa
Hayward, Hayward Air Terminal, CA11 mi69 minW 1110.00 miFair65°F52°F63%1015.4 hPa
San Francisco, San Francisco International Airport, CA11 mi67 minWNW 1610.00 miA Few Clouds61°F48°F65%1014.5 hPa
Oakland, Metro Oakland International Airport, CA12 mi70 minWNW 1110.00 miA Few Clouds63°F51°F65%1014.7 hPa
Half Moon Bay Airport, CA16 mi68 minW 47.00 miPartly Cloudy55°F50°F82%1015.9 hPa
San Jose, San Jose International Airport, CA18 mi70 minNW 810.00 miA Few Clouds71°F44°F38%1014.1 hPa
Livermore, Livermore Municipal Airport, CA24 mi70 minWNW 910.00 miFair77°F43°F30%1013.2 hPa
San Jose / Reid / Hillv, CA24 mi76 minWNW 810.00 miClear75°F39°F27%1014.2 hPa

Link to 5 minute data for KSQL

Wind History from SQL (wind in knots)
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Last 24hrNW9NW7W5------------------CalmCalmCalm3435N5N8N8NW8W6
1 day agoW4W6W6------------------CalmCalmW4333NW7NW7N9NW8W8NW10
2 days ago3NW5Calm------------------CalmCalmCalmCalmCalmNE3N6N6NW5N5NW6NW6

Tide / Current Tables for Redwood Creek entrance (inside), San Francisco Bay, California
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Redwood Creek entrance (inside)
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Mon -- 01:41 AM PDT     7.15 feet High Tide
Mon -- 07:15 AM PDT     Sunrise
Mon -- 07:44 AM PDT     1.56 feet Low Tide
Mon -- 07:53 AM PDT     Moonset
Mon -- 01:35 PM PDT     7.71 feet High Tide
Mon -- 06:33 PM PDT     Sunset
Mon -- 07:25 PM PDT     Moonrise
Mon -- 08:17 PM PDT     0.68 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.96.97.16.55.43.92.61.81.62.33.65.16.67.57.775.74.12.51.30.70.91.93.3

Tide / Current Tables for Dumbarton Bridge, San Francisco Bay, California Current
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Dumbarton Bridge
Click for Map
Mon -- 03:00 AM PDT     -0.00 knots Slack
Mon -- 05:19 AM PDT     -1.03 knots Max Ebb
Mon -- 07:15 AM PDT     Sunrise
Mon -- 07:52 AM PDT     Moonset
Mon -- 08:18 AM PDT     0.00 knots Slack
Mon -- 11:25 AM PDT     1.50 knots Max Flood
Mon -- 02:53 PM PDT     -0.00 knots Slack
Mon -- 05:33 PM PDT     -1.35 knots Max Ebb
Mon -- 06:32 PM PDT     Sunset
Mon -- 07:25 PM PDT     Moonrise
Mon -- 08:47 PM PDT     0.00 knots Slack
Mon -- 11:58 PM PDT     1.65 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.51.20.70-0.7-1-1-0.6-0.20.41.11.51.41.10.6-0.1-0.8-1.3-1.3-1-0.50.10.91.5

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.
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Wind Forecast for San Francisco/Monterey Bay Area, CA (21,6,7,8)
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Ground Weather Radar Station San Francisco Bay Area, 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.