Thursday, October18, 2018 L-36.com


Marine Weather and Tides
Albany, CA

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 7:20AMSunset 6:27PM Thursday October 18, 2018 7:31 PM PDT (02:31 UTC) Moonrise 2:42PMMoonset 12:22AM Illumination 71% Phase: Waxing Gibbous; Moon at 9 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- 238 Pm Pdt Thu Oct 18 2018
Tonight..SW winds 5 to 15 kt.
Fri..NW winds 5 kt...becoming sw in the afternoon.
Fri night..SW winds 10 kt.
Sat..SW winds 10 kt.
Sat night..SW winds 5 to 15 kt.
Sun..SW winds 5 to 15 kt.
Mon..W winds 5 to 15 kt.
Tue..W winds 10 kt.
PZZ500 238 Pm Pdt Thu Oct 18 2018
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Light nw winds will continue overnight into Friday as a long period nw swell moves through the waters. SWell will slowly decrease over the weekend with continued light nw winds. A quiet pattern continues into early next week.


7 Day Forecast for Marine Location Near Albany, CA
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location: 37.86, -122.37     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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Fxus66 kmtr 182326
afdmtr
area forecast discussion
national weather service san francisco bay area
426 pm pdt Thu oct 18 2018

Synopsis A slight warming trend is forecast through the upcoming
weekend as high pressure builds over the region. Dry weather
conditions are also likely to prevail through the weekend. A pattern
change will result in cooling conditions early next week that will
persist through late week with a slight chance of precipitation
developing over the north bay.

Discussion As of 01:54 pm pdt Thursday... The forecast in the
short-term will continue to be defined by a marine layer of around
1,000 feet in place and generally weak onshore flow over the
region. This will allow for low clouds to return to the coast
tonight and spread locally inland during the early morning hours
on Friday. Cloud cover will be similar to or slightly less
widespread than last night this morning.

A slight warming trend is then forecast during the day Friday and
again on Saturday as onshore flow diminishes as a a broad ridge of
high pressure builds. Increasing 850 mb temperatures and lingering
offshore winds aloft will also push warmer temperatures toward the
coast through the weekend. Thus, look for upper 60s to 70s at the
coast to 70s and 80s inland with a few spots reaching to near 90 deg
f in warmer interior locations. Also expecting less coverage of
cloud cover during the late night and early morning hours with the
ridge aloft and weak offshore flow at times. However, cannot rule out
few scattered low clouds near the coast and around san francisco
each night morning.

High pressure will then shift inland late in the weekend and into
next week. The forecast models are in decent agreement with an
approaching mid upper level trough that will result in a region-wide
cooling trend and potential for increased cloud cover. However, the
models continue to differ on possibility of precipitation across our
region from Tuesday into Friday of next week. The latest thinking is
that the first of two frontal systems will drop down across northern
california and then drop through the region Tuesday into Wednesday.

The best chances for rain however appear to remain north of the
region through Tuesday. The GFS shows better chances of rainfall
over the north bay Wednesday into Thursday and lingering into Friday
with a moist flow advecting into northern california. The 12z ecmwf
is trending drier however and keeps most precipitation well to our
north. Given the inconsistency with the model data, will keep a
slight chance of precipitation over the north bay from late Tuesday
into Friday with dry conditions south of the golden gate.

Regardless, do expect temperatures to cool to near or slightly below
seasonal averages next week. We remain 5 to 7 days out at this time
from any precipitation chances and will have time to continue to
monitor.

Aviation As of 4:38 pm pdt Thursday... Marine layer has
compressed down to around 1000 feet this afternoon. Northerly
gradient has increased which should delay the stratus from
spreading inland. Low clouds will fill the coastal areas first so
mry and sns should have CIGS after 03z. But stratus will be very
late in spreading into the sfo bay area.

Vicinity of ksfo...VFR is expected until 13z. Low clouds finally
get into sfo and the approach after 13z.

Sfo bridge approach... Similar to ksfo.

Monterey bay terminals... Ifr CIGS after 03z.

Marine As of 04:16 pm pdt Thursday... Light NW winds will
continue overnight into Friday as a long period NW swell moves
through the waters. Swell will slowly decrease over the weekend
with continued light NW winds. A quiet pattern continues into
early next week.

Mtr watches warnings advisories
Tngt None.

Public forecast: rgass
aviation: W pi
marine: rww
visit us at

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PPXC1 - 9414847 - Richmond (Point Potrero), CA 3 mi31 min SSW 4.1 G 6 64°F 1018.4 hPa (-0.3)
OKXC1 - 9414776 - Oakland (Berth 34), CA 4 mi31 min SW 1.9 G 2.9 60°F 1018.1 hPa (-0.3)
PXOC1 - 9414311 - San Francisco (Pier 1), CA 4 mi31 min SSE 1.9 G 2.9 61°F 1016.9 hPa (-0.6)
PXSC1 4 mi31 min 61°F 55°F
OBXC1 4 mi31 min 61°F 56°F
TIBC1 - Tiburon Pier, San Francisco Bay, CA 5 mi38 min Calm 62°F 1018 hPa (+0.0)
RCMC1 - 9414863 - Richmond, CA 5 mi31 min E 2.9 G 4.1 63°F 63°F1018 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 5 mi31 min SW 5.1 G 5.1
FTPC1 - 9414290 - San Francisco, CA 6 mi31 min WSW 8.9 G 13 58°F 61°F1018.2 hPa (-0.8)
LNDC1 7 mi31 min Calm G 1.9 63°F 1018.1 hPa (-0.3)
AAMC1 - 9414750 - Alameda, CA 7 mi31 min WNW 6 G 8.9 60°F 65°F1018.4 hPa (+0.0)
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 15 mi31 min WSW 4.1 G 7 65°F 1017.6 hPa
46237 - San Francisco Bar, CA (142) 15 mi31 min 59°F6 ft
MZXC1 - 9415102 - Martinez-Amorco CA 18 mi31 min WNW 9.9 G 11 67°F 66°F1017.7 hPa (-0.3)56°F
PCOC1 - 9415144 - Port Chicago, CA 22 mi31 min W 11 G 12 69°F 65°F1017.4 hPa (-0.3)
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 26 mi31 min NW 16 G 19 57°F 58°F1019.1 hPa (-0.7)
RTYC1 - 9414523 - Redwood City, CA 26 mi31 min NNW 2.9 G 5.1 61°F 68°F1018.7 hPa (-0.0)
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 28 mi31 min WNW 5.1 G 7 70°F 1017.1 hPa (-0.4)
SFXC1 - San Francisco Bay Reserve, CA 30 mi46 min W 4.1 67°F 1017 hPa
PRYC1 - 9415020 - Point Reyes, CA 34 mi31 min NW 13 G 17 60°F1018.7 hPa (-0.6)

Wind History for Point Potrero Richmond, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Oakland, Metro Oakland International Airport, CA14 mi38 minWNW 910.00 miA Few Clouds61°F54°F78%1018.2 hPa
San Francisco, San Francisco International Airport, CA17 mi35 minWNW 2010.00 miA Few Clouds and Breezy55°F52°F90%1017.7 hPa
Hayward, Hayward Air Terminal, CA19 mi37 minWNW 610.00 miFair62°F52°F70%1018.9 hPa
Concord, Buchanan Field, CA19 mi38 minno data10.00 miFair71°F46°F42%1016 hPa
Novato / Gnoss Field, CA22 mi56 minN 710.00 miFair63°F51°F68%1017.6 hPa
San Carlos Airport, CA24 mi44 minNNW 310.00 miClear64°F53°F68%1017.9 hPa

Wind History from OAK (wind in knots)
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Last 24hrNW8NW6NW6NW6NW7N4CalmNE4N3N3N3W7CalmCalmSW4S5W6W6W8NW9W10W11NW7W9
1 day agoNW5NW4--N3CalmNW4NW7NW5N3N3N3CalmNE3CalmCalmW4SW6W6W6NW10W11W12W14W12
2 days agoNW3NW4NW5CalmCalmE4E6E4E4E3E3CalmNE3CalmSE4S5SW3SW3W4NW8W11W12NW9NW8

Tide / Current Tables for Angel Island, East Garrison, San Francisco Bay, California
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Angel Island
Click for Map
Thu -- 01:23 AM PDT     Moonset
Thu -- 01:54 AM PDT     0.77 feet Low Tide
Thu -- 07:21 AM PDT     Sunrise
Thu -- 09:18 AM PDT     4.90 feet High Tide
Thu -- 02:44 PM PDT     2.75 feet Low Tide
Thu -- 03:42 PM PDT     Moonrise
Thu -- 06:27 PM PDT     Sunset
Thu -- 08:06 PM PDT     4.82 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.50.90.811.62.33.244.64.94.84.43.83.22.82.833.54.14.64.84.74.13.2

Tide / Current Tables for Fleming Point 1.7 mi SW, San Francisco Bay, California Current
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Fleming Point 1.7 mi SW
Click for Map
Thu -- 01:23 AM PDT     Moonset
Thu -- 02:06 AM PDT     0.00 knots Slack
Thu -- 05:57 AM PDT     0.53 knots Max Flood
Thu -- 07:20 AM PDT     Sunrise
Thu -- 09:17 AM PDT     -0.00 knots Slack
Thu -- 11:24 AM PDT     -0.18 knots Max Ebb
Thu -- 02:36 PM PDT     0.00 knots Slack
Thu -- 03:42 PM PDT     Moonrise
Thu -- 05:49 PM PDT     0.34 knots Max Flood
Thu -- 06:27 PM PDT     Sunset
Thu -- 08:44 PM PDT     -0.01 knots Slack
Thu -- 11:22 PM PDT     -0.31 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.2-0.2-00.20.40.50.50.50.30.1-0.1-0.2-0.2-0.1-0.10.10.20.30.30.30.2-0-0.2-0.3

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for San Francisco/Monterey Bay Area, CA (22,6,7,8)
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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.