Saturday, March25, 2017 L-36.com


Marine Weather and Tides
Monte Sereno, CA

Version 3.4
What's New / NOTES
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 7:00AMSunset 7:26PM Saturday March 25, 2017 4:30 AM PDT (11:30 UTC) Moonrise 4:43AMMoonset 4:04PM Illumination 5% Phase: Waning Crescent; Moon at 27 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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PZZ560 Pigeon Point To Point Pinos To 10 Nm- 310 Am Pdt Sat Mar 25 2017
Today..NW winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 7 to 8 ft at 13 seconds.
Tonight..NW winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 8 to 9 ft at 14 seconds.
Sun..NW winds 10 kt...becoming south in the afternoon. Wind waves 2 ft or less. W swell 6 to 8 ft at 13 seconds. Slight chance of rain in the morning, then chance of rain in the afternoon.
Sun night..W winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 5 to 6 ft at 12 seconds. Chance of rain in the evening, then showers likely after midnight.
Mon..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 8 to 10 ft at 11 seconds. Chance of showers in the morning.
Tue..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 9 to 11 ft.
Wed..NW winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 9 to 11 ft.
PZZ500 310 Am Pdt Sat Mar 25 2017
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Light winds and moderate seas will prevail across the waters through tonight, aside from south of pt sur and over northern Monterey bay where they are expected to moderately strengthen as the day progresses. Then on Sunday, winds over the northern waters will turn southerly and become somewhat stronger as a weak cold front approaches.

7 Day Forecast for Marine Location Near Monte Sereno, CA
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location: 37.21, -122.06     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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Fxus66 kmtr 250925
afdmtr
area forecast discussion
national weather service san francisco bay area
225 am pdt Sat mar 25 2017

Synopsis A few early morning showers can be expected today,
otherwise mostly dry through early Sunday. Rain chances will
return by Sunday afternoon and continue through Sunday night with
a few showers lingering into early Monday. Otherwise, dry and
mild weather is expected from Monday through the remainder of next
week.

Discussion As of 2:25 am pdt Saturday... Latest radar scans
continue to show light showers moving across monterey and san
benito counties, with another batch of showers forming just off
the san mateo county coast an moving to the east-southeast. Expect
this shower activity to gradually taper off as the system exits
to the east, with only a chance of showers into the morning. The
rest of the day should be mostly dry with highs in the upper 50s
to mid 60s.

The dry weather will persist into early Sunday. Then, a
relatively weak weather system is forecast to move across northern
california bringing more light rain to portions of the district
late Sunday and Sunday night. The 00z GFS brings rain into the
north bay counties by late afternoon, then down to northern
monterey county before midnight. The system is progged to quickly
move through to the east and be gone by dawn. The ECMWF lingers
precip over the southern counties a little longer into Monday, but
for the most part, most of Monday should be dry.

High pressure is then forecast to build in over the west by
Tuesday keeping the district dry through the remainder of the
forecast period. There is a slight possibility of a weak system
brushing extreme northern california by Wednesday night/early
Thursday that may bring a slight chance of precipitation, but for
now most of the rainfall should remain to the north.

Aviation As of 10:55 pm pdt Friday... Residual scattered showers
persist tonight especially over the north central coast. Local
ifr/lifr/vlifr tonight and Saturday morning as the surface to
lower levels remain quite moist. Drying in the mid-upper levels
tonight and Saturday support fog development especially if and
where lower clouds happen to partially clear.

A secondary slow moving and dry cool front slides SE across the bay
area Saturday evening. Preceding this front it's a low confidence
cloud cover forecast though due to a lack of near surface inversions
if there is cloud cover best guess would be that primarily MVFR/vfr
will prevail. Post frontal drier air intrusion should help keepVFR
going Saturday night and Sunday morning.

Vicinity of ksfo... MVFR/vfr. Wind light onshore tonight. 15-20 knots
onshore winds developing Saturday from 21z to 04z Sunday.

Sfo bridge approach... Same as ksfo.

Monterey bay terminals... Light southeast to south winds with showers
continuing most of tonight. MVFR/vfr except local ifr tonight.

Marine As of 10:37 pm pdt Friday... Expect light northwest winds
tonight in the wake of a cool frontal boundary. Southerly winds are
forecast to return Sunday as the next system approaches. Fresh short
period swells will make for choppy conditions over the coastal waters
through the weekend.

Mtr watches/warnings/advisories
Tday None.

Public forecast: sims
aviation: canepa
marine: canepa
visit us at

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RTYC1 - 9414523 - Redwood City, CA 22 mi42 min WNW 7 G 8.9 54°F 59°F1020.4 hPa
46092 - MBM1 32 mi81 min NNW 5.8 54°F 55°F1020.4 hPa (-0.4)
46042 - MONTEREY - 27NM West of Monterey Bay, CA 36 mi40 min 16 G 19 54°F 56°F7 ft1020.2 hPa (-0.6)
46114 - West Monterey Bay, CA 37 mi30 min 56°F7 ft
AAMC1 - 9414750 - Alameda, CA 41 mi42 min N 7 G 9.9 55°F 58°F1021.3 hPa
46240 - Cabrillo Point, Monterey Bay, CA (158) 41 mi39 min 56°F3 ft
LNDC1 42 mi42 min NNW 4.1 G 6 54°F 1020.9 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 43 mi42 min N 9.9 G 12
MEYC1 43 mi54 min SSW 4.1 G 6 55°F 57°F1020.4 hPa
OBXC1 44 mi42 min 55°F 50°F
OKXC1 - 9414776 - Oakland (Berth 34), CA 44 mi42 min NNW 9.9 G 13 54°F 1021 hPa
PXSC1 45 mi42 min 54°F 50°F
46012 - HALF MOON BAY - 24NM South Southwest of San Francisco, CA 45 mi40 min NW 9.7 G 14 55°F 55°F8 ft1020.6 hPa (-0.7)
FTPC1 - 9414290 - San Francisco, CA 46 mi42 min WNW 2.9 G 4.1 53°F 56°F1021.2 hPa

Wind History for Redwood City, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
San Jose, San Jose International Airport, CA13 mi37 minN 010.00 miLight Rain54°F51°F90%1020.6 hPa
Mountain View, Moffett Field, CA15 mi34 minW 36.00 miFog/Mist53°F53°F100%1021.2 hPa
Watsonville, Watsonville Municipal Airport, CA24 mi37 minN 010.00 miOvercast53°F53°F100%1020.4 hPa
San Carlos Airport, CA24 mi35 minNW 510.00 miOvercast54°F51°F94%1021 hPa

Wind History from SJC (wind in knots)
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Last 24hrSE7SE7SE9SE14E16
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E14SE15SE12SE10SE5NE6E63E6E5SE4CalmCalmNE3Calm
1 day agoNW4W7W7CalmCalmNW5NW5NW3CalmS3W10NW7NW9NW11NW12NW10NW7N3CalmSE8SE10SE9SE12SE10
2 days agoE5SE7SE7E4CalmW8W7NW11NW11W11NW15
G24
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G19
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Tide / Current Tables for Gold Street Bridge, Alviso Slough, San Francisco Bay, California
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Gold Street Bridge
Click for Map
Sat -- 05:43 AM PDT     Moonrise
Sat -- 06:37 AM PDT     1.78 feet Low Tide
Sat -- 07:03 AM PDT     Sunrise
Sat -- 11:24 AM PDT     9.26 feet High Tide
Sat -- 05:03 PM PDT     Moonset
Sat -- 06:58 PM PDT     0.02 feet Low Tide
Sat -- 07:24 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
8.27.96.85.43.92.61.91.93.15.37.69.19.18.36.953.11.40.400.82.64.97.1

Tide / Current Tables for Dumbarton Point 2.3 mi NE, South San Francisco Bay, California Current
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Dumbarton Point 2.3 mi NE
Click for Map
Sat -- 12:07 AM PDT     -0.00 knots Slack
Sat -- 04:04 AM PDT     -0.92 knots Max Ebb
Sat -- 05:43 AM PDT     Moonrise
Sat -- 06:22 AM PDT     0.00 knots Slack
Sat -- 07:03 AM PDT     Sunrise
Sat -- 08:54 AM PDT     1.23 knots Max Flood
Sat -- 11:51 AM PDT     -0.00 knots Slack
Sat -- 04:17 PM PDT     -1.33 knots Max Ebb
Sat -- 05:03 PM PDT     Moonset
Sat -- 06:51 PM PDT     0.01 knots Slack
Sat -- 07:25 PM PDT     Sunset
Sat -- 09:31 PM PDT     1.51 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.1-0.3-0.6-0.8-0.9-0.7-0.30.411.210.6-0.1-0.5-0.9-1.2-1.3-1.2-0.70.111.51.51.2

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of CentralWestCoast    EDIT
Geos

Wind Forecast for San Francisco/Monterey Bay Area, CA (7,2,3,4)
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Ground Weather Radar Station San Francisco Bay Area, 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.