Thursday, July18, 2019 L-36.com


Marine Weather and Tides
Capitola, CA

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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 6:00AMSunset 8:27PM Thursday July 18, 2019 2:17 AM PDT (09:17 UTC) Moonrise 8:56PMMoonset 6:35AM 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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PZZ535 Monterey Bay- 856 Pm Pdt Wed Jul 17 2019
Tonight..SW winds 5 to 10 kt. Wind waves 3 to 4 ft.
Thu..SW winds 10 to 15 kt. Wind waves around 3 ft.
Thu night..W winds around 5 kt. Wind waves around 3 ft.
Fri..W winds 10 to 15 kt. Wind waves 3 to 4 ft.
Fri night..SW winds around 5 kt. Wind waves 3 to 4 ft.
Sat..W winds 10 to 15 kt. Wind waves around 3 ft.
Sat night..SW winds 5 to 10 kt. Wind waves around 3 ft.
Sun..SW winds 5 to 10 kt. Wind waves around 3 ft.
Mon..W winds 5 to 10 kt. Wind waves around 3 ft. Locally lower winds and seas across sheltered portions of the bay.
PZZ500 856 Pm Pdt Wed Jul 17 2019
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Wind flow in the near term is from the south from the Monterey bay southward along the big sur coast and variable to northwest over the remainder of the coastal waters. Gusty west winds developing over the san francisco bay to the delta Thursday afternoon and evening. Light long period southerly swell will continue into Thursday.


7 Day Forecast for Marine Location Near Capitola, CA
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location: 36.97, -121.94     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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Fxus66 kmtr 180525
afdmtr
area forecast discussion
national weather service san francisco bay area
1025 pm pdt Wed jul 17 2019

Synopsis A gradual cooling trend will continue through late week
with periods of night and morning low clouds. Temperatures will
begin to warm slightly this weekend and rebound back to near
seasonal averages by next week.

Discussion As of 09:00 pm pdt Wednesday... Interesting
evolution in today's weather under sunny skies. Temperatures were
forecast to moderate or drop a few degrees under a somewhat flat
flow aloft. Upon closer inspection the cooldown did occur across
the coast and inland valleys - both santa cruz and santa rosa were
much cool today. The interesting part is above the seabreeze with
a slight northerly flow over the hills leading to much warmer
weather. In other words, all about micro-climates today with some
warmer and some colder.

The last few images of the visible satellite show the marine layer
makes its nightly return with some low clouds already pushing into
the salinas valley. The marine layer will likely fill in pretty
solid overnight. The latest 00z models even show a few hundredths
of precip, which is usually a sign of patchy drizzle. Latest
forecast remains on track for the near term and see no reason to
update the forecast.

Night and morning clouds will continue over the next few days with
onshore flow. The resulting sensible weather will be continued
cooling through at least Saturday. A slight uptick in temperatures
are expected on Sunday with slight warming aloft and high
pressure to the east. Next week is beginning to look a little
different than what it did a few days ago. A ridge is still
forecast to build over the four corners region and nudge westward
early next week. The westward nudging looks to now be hampered by
a trough deepening off the west coast. The forecast will still
show a warming trend next week, but it will be a battle between
the ridge to the east and the trough to the west for how warm it
actually gets. Stay tuned...

Aviation As of 10:25 pm pdt Wednesday... Vlifr-ifr is proceeding
to cover the immediate coastline due to low stratus ceilings and
fog. Vlifr-ifr is likely to extend through the golden gate to the
east bay as well as extending into the salinas valley otherwise
vfr is quite likely to continue most inland locations for tonight
and Thursday. Winds are overall much weaker since the synoptic
pattern over norcal has changed since yesterday.

Boundary layer winds on the WRF model and on the NAM 925 mb and
850 mb wind fields indicate a weak cyclonic circulation will drift
southwestward to the coastal waters west of the north bay Thursday
setting up a more robust onshore flow for Thursday, this should
boost seabreezes everywhere more than seen today; 06z TAF wind
speed forecasts generally above statistical guidance.

Vicinity of ksfo...VFR continues tonight into Thursday. West wind
gusts near 25 knots or slightly higher resume Thursday afternoon
and evening.

Sfo bridge approach... Similar to ksfo.

Monterey bay terminals... Vlifr-ifr due to low stratus ceilings and
fog tonight and Thursday morning. Clearing toVFR likely by late
Thursday morning, onshore winds more robust Thursday afternoon and
early evening than today.

Marine As of 10:07 pm pdt Wednesday... Wind flow in the near
term is from the south from the monterey bay southward along the
big sur coast and variable to northwest over the remainder of the
coastal waters. Gusty west winds developing over the san francisco
bay to the delta Thursday afternoon and evening. Light long
period southerly swell will continue into Thursday.

Mtr watches warnings advisories
Tngt Sca... Pt arena to pigeon pt 10-60 nm
sca... Pt arena to pt reyes 0-10 nm
sca... Pigeon pt to pt piedras blancas 10-60 nm until 3 am
public forecast: mm
aviation marine: canepa
visit us at

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MLSC1 - Moss Landing, South Harbor, CA 14 mi29 min WSW 7 G 19 55°F 1015.3 hPa54°F
ELXC1 - Elkhorn Slough Reserve, CA 15 mi93 min W 2.9 55°F 1015 hPa55°F
46092 - MBM1 16 mi65 min S 5.8 54°F 55°F1015 hPa (+0.0)
46240 - Cabrillo Point, Monterey Bay, CA (158) 24 mi18 min 60°F2 ft
MEYC1 25 mi42 min 60°F1014.9 hPa
46042 - MONTEREY - 27NM West of Monterey Bay, CA 27 mi28 min E 3.9 G 3.9 55°F 57°F4 ft1014.2 hPa (+0.3)
46114 - West Monterey Bay, CA 28 mi18 min 57°F4 ft
RTYC1 - 9414523 - Redwood City, CA 40 mi48 min NNE 1.9 G 2.9 64°F 74°F1013.5 hPa
46239 - Point Sur, CA (157) 44 mi18 min 55°F5 ft

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Watsonville, Watsonville Municipal Airport, CA8 mi25 minWSW 43.00 miFog/Mist55°F53°F93%1014.9 hPa

Wind History from WVI (wind in knots)
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Last 24hrE4S3S3CalmSE4E3SE3SE4Calm3SW10SW9SW10SW8SW8W6SW7SW5SW4W3CalmNW3CalmSW4
1 day agoCalmCalmCalmSE3E4CalmCalm4Calm5S8S8SE9S6S6SE5S6S5SE6S4E6CalmNE3E4
2 days agoW3CalmNW3CalmCalmCalmCalm3SW4S8S7S7S6S7S7S7S5S6S7SE4SE3E3E3Calm

Tide / Current Tables for Santa Cruz, California
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Santa Cruz
Click for Map
Thu -- 06:02 AM PDT     Sunrise
Thu -- 06:14 AM PDT     -0.53 feet Low Tide
Thu -- 07:35 AM PDT     Moonset
Thu -- 01:47 PM PDT     4.25 feet High Tide
Thu -- 06:11 PM PDT     2.99 feet Low Tide
Thu -- 08:25 PM PDT     Sunset
Thu -- 09:55 PM PDT     Moonrise
Thu -- 11:45 PM PDT     5.17 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.24.63.42.10.8-0.1-0.5-0.40.111.92.83.64.14.243.63.233.13.544.65

Tide / Current Tables for Point Pinos, California Current
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Point Pinos
Click for Map
Thu -- 01:24 AM PDT     -0.00 knots Slack
Thu -- 04:40 AM PDT     -0.96 knots Max Ebb
Thu -- 06:02 AM PDT     Sunrise
Thu -- 07:36 AM PDT     Moonset
Thu -- 08:40 AM PDT     0.00 knots Slack
Thu -- 11:43 AM PDT     0.74 knots Max Flood
Thu -- 03:01 PM PDT     -0.00 knots Slack
Thu -- 05:14 PM PDT     -0.46 knots Max Ebb
Thu -- 08:24 PM PDT     Sunset
Thu -- 08:31 PM PDT     0.00 knots Slack
Thu -- 09:54 PM PDT     Moonrise
Thu -- 11:16 PM PDT     0.51 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.1-0.2-0.6-0.9-0.9-0.8-0.6-0.30.10.50.70.70.60.40-0.3-0.5-0.4-0.3-0.10.10.40.5

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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Wind Forecast for San Francisco/Monterey Bay Area, CA (5,6,7,8)
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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.