Monday, April23, 2018 L-36.com


Marine Weather and Tides
Lockwood, CA

Version 3.4
What's New / NOTES
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.
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.

Sunrise 6:18AMSunset 7:47PM Monday April 23, 2018 2:39 AM PDT (09:39 UTC) Moonrise 12:25PMMoonset 1:43AM Illumination 56% 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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PZZ565 Point Pinos To Point Piedras Blancas To 10 Nm- 902 Pm Pdt Sun Apr 22 2018
Tonight..NW winds 10 to 20 kt. Wind waves 2 to 4 ft. NW swell 7 to 8 ft at 13 seconds. Patchy fog after midnight.
Mon..W winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 5 to 7 ft at 13 seconds. Patchy fog in the morning.
Mon night..NW winds 10 kt. Wind waves 2 ft or less. NW swell 5 to 6 ft at 12 seconds.
Tue..NW winds 10 kt. Wind waves 2 ft or less. NW swell 3 to 5 ft at 19 seconds.
Tue night..NW winds 10 kt. Wind waves 2 ft or less. NW swell 6 to 7 ft at 16 seconds.
Wed..SW winds 10 to 20 kt. Wind waves 2 to 4 ft. NW swell 5 to 7 ft.
Thu..NW winds 5 to 15 kt. Wind waves 1 to 3 ft. Mixed swell nw 4 to 5 ft and S 3 ft.
Fri..NW winds 5 to 15 kt. Wind waves 1 to 3 ft. Mixed swell nw 4 to 6 ft and S 3 ft.
PZZ500 902 Pm Pdt Sun Apr 22 2018
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... High pressure over the eastern pacific will maintain moderate northwesterly winds across the northern waters through late tonight. Winds will ease across the region as the pressure gradient weakens through much of the week. Light to moderate seas will prevail through the forecast period.

7 Day Forecast for Marine Location Near Lockwood, CA
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location: 35.92, -121.73     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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Fxus66 kmtr 230633
afdmtr
area forecast discussion
national weather service san francisco bay area
1133 pm pdt Sun apr 22 2018

Synopsis Dry and seasonable weather for much of the upcoming
work week. An upper low may approach Friday with a slight chance
of showers, mainly for the north bay but most likely scenario is
all locations stay dry with a modest cooling trend by late in the
week into next weekend.

Discussion As of 8:37 pm pdt Sunday... Temperatures are settling
back nicely this evening under a mainly clear sky, wrapping up a
weekend of mainly clear, mild to warm daytime weather. High pressure
remains in place keeping dry weather and warmer daytime temperatures
going through mid week. The 250 mb jet stream over the eastern pacific
will carve out a closed mid to upper level low pressure system
later this week. Today's 12z ECMWF showed additional jet stream
energy carving out another mid to upper level low farther upstream
over the pacific eventually being the "kicker trough" that moves
the first closed low forward to northern california and the
pacific northwest bringing a slight chance of showers into the bay
area later Friday night into Saturday. However, GFS output is at
odds with the ECMWF solution generally showing higher latitude
northwesterly flow and shortwave energy pouring in bringing a few
more chances of rain into early next week. Either way it looks
like some unsettled, chilly, wetter weather arriving late week and
early next week. The ECMWF solution, if verified, could tap more
in the way of subtropical moisture.

Prev discussion As of 2:05 pm pdt Sunday... Skies are mostly sunny
this Sunday afternoon with just some thin high clouds over the
region. Temperatures range from around 60 at the beaches, 60s
around the bay and mid 70s inland with lower 80s showing up
around stockton. Current dewpoint readings in the mid 50s along
with a strong northerly gradient of nearly 6 mb. This should keep
skies mostly clear with overnight lows from the mid 40s to lower
50s most locations.

Synoptic pattern doesnt change too much through midweek so that
should give us afternoon highs generally in the 70s inland with
60s near the coast. No extreme heat, precip or cold weather under
this pattern.

Next feature we'll be tracking is a cut-off type low coming in
from the west. At the very least onshore flow will increase by
midweek into Thursday with airmass cooling aloft. This should lead
to subtle cooling by Thursday and Friday.

General model trend has been to bring the upper low onshore north
of the golden gate later Friday into Saturday. Right now precip
chances look slight meager at best. However, decided to just keep
the slight chances in the forecast as we'll likely see forecast
simulations oscillate over the next few days. Either way there
does remain a slight chance of showers late in the week. Upper low
should eject inland by next Saturday or Sunday with dry and warm
weather on the backside of that. Spring appears to be here with
dry weather, cut-off lows and no storms of note in sight.

Aviation As of 10:51 pm pdt Sunday... For 06z tafs... High
clouds will continue to steam across the region tonight with patchy
fog possible Monday morning in the vicinity of the monterey bay.

Light winds forecast through tonight with a slight seabreeze
kicking in Monday afternoon.

Vicinity of ksfo...VFR conditions will prevail through the period
with mainly high clouds. Moderate onshore flow of 10 to 15 kt
will ease becoming light overnight into Monday morning. Moderate
onshore flow will increase to around 10 to 20 kt after 21z Monday
afternoon.

Sfo bridge approach... Similar to ksfo.

Monterey bay terminals...VFR conditions with mainly high clouds
will prevail through late tonight. Ifr lifr CIGS will return
overnight into Monday morning with clearing anticipated around 19z
Monday. Light and variable winds forecast overnight into Monday
morning with moderate onshore flow in the 10 to 15 kt range
anticipated in the afternoon.

Marine As of 9:00 pm pdt Sunday... High pressure over the
eastern pacific will maintain moderate northwesterly winds across
the northern waters through late tonight. Winds will ease across
the region as the pressure gradient weakens through much of the
week. Light to moderate seas will prevail through the forecast
period.

Mtr watches warnings advisories
Tngt Sca... Pt arena to pigeon pt 10-60 nm until 3 am
public forecast: canepa rww
aviation marine: cw
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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46028 - CAPE SAN MARTIN - 55NM West Northwest of Morro Bay, CA 16 mi50 min 54°F 54°F8 ft1014.5 hPa (+0.3)
46239 - Point Sur, CA (157) 35 mi40 min 55°F9 ft
MEYC1 48 mi64 min S 1.9 G 4.1 52°F 59°F1014.7 hPa

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Monterey Regional Airport, CA47 mi46 minENE 49.00 miFair49°F45°F86%1015.7 hPa

Wind History from MRY (wind in knots)
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Last 24hrE4SE3E5CalmCalmCalmCalmW4CalmW6W3NW64SW8W9SW6NW4CalmCalmSW3W4W3CalmE4
1 day agoSW4CalmCalmCalmE3E8E3W4W7NW5NW7NW6NW5NW6NW6W5W5W3W5W6CalmNE4SE3Calm
2 days agoCalmCalmCalmS4CalmE5Calm3W3NW4NW7W9W9W10W83SW7SW8SW6S6S6S6S4S4

Tide / Current Tables for San Simeon, California
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San Simeon
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Mon -- 02:39 AM PDT     Moonset
Mon -- 04:44 AM PDT     4.54 feet High Tide
Mon -- 06:21 AM PDT     Sunrise
Mon -- 12:08 PM PDT     -0.49 feet Low Tide
Mon -- 01:23 PM PDT     Moonrise
Mon -- 07:12 PM PDT     4.04 feet High Tide
Mon -- 07:44 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.73.13.64.14.44.54.23.62.61.50.5-0.2-0.5-0.30.31.22.23.13.843.93.532.5

Tide / Current Tables for Carmel Cove, Carmel Bay, California
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Carmel Cove
Click for Map
Mon -- 02:44 AM PDT     Moonset
Mon -- 04:53 AM PDT     4.56 feet High Tide
Mon -- 06:23 AM PDT     Sunrise
Mon -- 12:16 PM PDT     -0.43 feet Low Tide
Mon -- 01:24 PM PDT     Moonrise
Mon -- 07:21 PM PDT     4.00 feet High Tide
Mon -- 07:49 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.733.544.44.64.33.72.81.70.7-0.1-0.4-0.30.21.12.133.743.93.63.12.6

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.
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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.