Friday, January19, 2018 L-36.com


Marine Weather and Tides
Pleasure Point, CA

Version 3.4
What's New / NOTES
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.
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.

Sunrise 7:16AMSunset 5:21PM Friday January 19, 2018 3:24 PM PST (23:24 UTC) Moonrise 8:56AMMoonset 7:59PM Illumination 10% Phase: Waxing Crescent; Moon at 3 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- 225 Pm Pst Fri Jan 19 2018
.small craft advisory in effect through Saturday evening...
Tonight..NW winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 9 to 12 ft at 14 seconds. Slight chance of showers in the evening, then slight chance of rain after midnight.
Sat..N winds 5 to 15 kt...becoming nw 15 to 25 kt in the afternoon. Wind waves 2 to 4 ft. W swell 8 to 10 ft at 14 seconds.
Sat night..NW winds 15 to 25 kt...becoming north 10 kt after midnight. Wind waves 2 to 3 ft. W swell 7 to 9 ft at 13 seconds.
Sun..SE winds 10 kt. Wind waves 2 ft or less. W swell 5 to 7 ft at 13 seconds. Slight chance of rain in the afternoon.
Sun night..S winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 5 to 7 ft at 17 seconds. Rain likely in the evening, then chance of rain after midnight.
Mon..NW winds 10 to 20 kt. Wind waves 2 to 4 ft. W swell 7 to 9 ft. Chance of rain.
Tue..S winds 5 kt. Wind waves 2 ft or less. W swell 4 to 6 ft. Chance of rain.
Wed..W winds 10 kt. Wind waves 2 ft or less. W swell 4 to 6 ft. Slight chance of rain, then chance of showers.
PZZ500 225 Pm Pst Fri Jan 19 2018
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... SWells are slowly beginning to decrease across the coastal waters and will continue to do so over the weekend. However, moderate swells and increasing winds will still create hazardous conditions. Scattered showers continue to move over the waters. No lightning has been observed Thus far over the forecast area, but a slight chance of Thunderstorms still exists through this afternoon. Some cells may contain small hail. Winds will turn southerly and increase on Sunday morning ahead of the next system.

7 Day Forecast for Marine Location Near Pleasure Point, CA
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location: 36.95, -121.97     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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Fxus66 kmtr 192147
afdmtr
area forecast discussion
national weather service san francisco bay area
147 pm pst Fri jan 19 2018

Synopsis Cool conditions and scattered showers will continue
through late tonight. Drier weather returns on Saturday. A band
of rain, possibly heavy at times, moves into the north bay Sunday
evening spreading southeastward Sunday night into Monday morning.

Rain returns during the middle of next week with showery weather
lingering into late next week.

Discussion As of 1:45 pm pst Friday... Near term conditions
have not changed much from this morning. Cool and unstable airmass
still resides over the bay area. As a result, instability showers
continue across the region. Have not see any recent lightning,
but given the convective nature and colder airmass these showers
may be heavy at times and contain small hail. A few spotters have
confirmed small hail close to pea size hail. Current temps of some
of the higher peaks are hovering right around 32 degrees.

Therefore, any passing shower could drop some snow on the highest
peaks. Latest hrrr and local WRF models keep instability showers
through late tonight and current forecast will reflect this.

Brief ridging develops over the bay area on Saturday with no
precip expected. Despite drier conditions temperatures will still
remain cool with highs mostly in the 50s and higher peaks in the
40s... About 5 degrees below normal.

The ridging quickly diminishes on Sunday as the next system takes
aim at the bay area. Latest model timing brings a weakening
atmospheric river into the north bay between 12-18z and then
gradually spreading southward through the day. There could be a
brief period during Sunday afternoon evening where moderate to
heavy rain may develop over the north bay. Of greatest concern
would be intense rain in short period of time impacting the burn
scars. As of now it doesn't appear to be a major concern, but
something to monitor as Sunday gets closer. Rain chances will
continue well into Monday with scattered showers remaining. Storm
total rainfall from Sunday into Monday will be greatest over the
north bay 0.75-1.25"... Sf santa cruz mts 0.25-0.75"... Less than
0.5" elsewhere.

A brief respite is possible late Monday into early Tuesday, but
another system will bring additional rain to the region. It
appears the storm door remains open with a decent cold front and
more rain moving through Wednesday into Thursday. Cool and chilly
weather will continue through Friday.

Aviation As of 9:42 am pst Friday... For 18z tafs.VFR
conditions to prevail for most sites aside from patchy morning fog
at ksts and in the north bay. Scattered showers will continue to
stream over the area through late this afternoon. Passing showers
may briefly lower CIGS and reduce visibilities to MVFR ifr. Main
concern today will be the chances for some scattered thunderstorms
along the coast. This would mainly affect sites closer to the
pacific. Thus far the nearest lightning strike has been over 150
miles offshore, but the potential for convection through this
afternoon still exists. Confidence is low enough to keep TS out of
the tafs. Onshore winds this afternoon 10-15 kt.

Vicinity of ksfo...VFR conditions will prevail across area
terminals as showers continue to move across the region. Passing
showers may briefly reduce conditions to MVFR. Chance of
scattered thunderstorms into this afternoon. So far, no lightning
strikes have been reported anywhere near the coast. Radar will be
closely monitored. Onshore winds this afternoon 10-15 kt.

Sfo bridge approach... Similar to ksfo.

Monterey bay terminals...VFR CIGS and vsbys will prevail with
passing scattered showers. Brief vis and cig reductions possible
with a heavier shower. Slight chance of thunderstorms through
this afternoon along the coast and over the waters, main concern
would be for kmry. No lightning has been observed near the airport
thus far, but radar will be closely monitored. Light winds.

Marine As of 09:27 am pst Friday... Large west to northwest
swell will continue to impact the coastal waters through today,
causing large breaking waves and high surf along the central
coast. Scattered showers with possible thunderstorms will continue
through the day. Slight increase in northwest winds tonight. Winds
will increase and turn southerly on Sunday morning ahead of the
next system. Swells will gradually decrease over the weekend.

Mtr watches warnings advisories
Tngt High surf warning... Caz006-505-509-529-530
sca... Pt reyes to pigeon pt 0-10 nm
sca... Pigeon pt to pt pinos 0-10 nm
sca... Pt pinos to pt piedras blancas 0-10 nm
sca... Pigeon pt to pt piedras blancas 10-60 nm
sca... Pt arena to pt reyes 0-10 nm
sca... Pt arena to pigeon pt 10-60 nm
sca... Rough bar advisory for sf bar
sca... Mry bay
public forecast: mm
aviation: as
marine: as
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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46092 - MBM1 14 mi69 min W 16 55°F 57°F1018.3 hPa (-2.1)
ELXC1 - Elkhorn Slough Reserve, CA 15 mi99 min WNW 7 56°F 1019 hPa46°F
46240 - Cabrillo Point, Monterey Bay, CA (158) 23 mi63 min 57°F8 ft
MEYC1 24 mi54 min W 7 G 12 55°F 57°F1018.8 hPa
46042 - MONTEREY - 27NM West of Monterey Bay, CA 25 mi94 min NNW 12 G 16 55°F 56°F16 ft1018.6 hPa (-1.9)
46114 - West Monterey Bay, CA 26 mi54 min 57°F14 ft
RTYC1 - 9414523 - Redwood City, CA 41 mi54 min WNW 11 G 14 54°F 55°F1019.1 hPa
46239 - Point Sur, CA (157) 43 mi54 min 57°F15 ft

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Watsonville, Watsonville Municipal Airport, CA10 mi31 minN 010.00 miPartly Cloudy56°F44°F65%1018.2 hPa

Wind History from WVI (wind in knots)
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Last 24hrS8SW4W7SW10SW8
G18
SW55W4S3NW3CalmCalmCalmNW4NW4NW3NW4Calm3CalmSE3SW6W6Calm
1 day agoS6S4CalmW3CalmCalmN3NW4CalmN3NW4W3NW4NW4CalmW5NE3Calm3CalmCalm3SW53
2 days agoW3CalmCalmCalmCalmCalmCalmCalmE3CalmCalmCalmW3CalmN3W3CalmCalmE3CalmSW8SW63S5

Tide / Current Tables for Santa Cruz, California
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Santa Cruz
Click for Map
Fri -- 12:36 AM PST     4.24 feet High Tide
Fri -- 05:08 AM PST     2.94 feet Low Tide
Fri -- 07:18 AM PST     Sunrise
Fri -- 08:56 AM PST     Moonrise
Fri -- 10:57 AM PST     5.20 feet High Tide
Fri -- 05:19 PM PST     Sunset
Fri -- 05:45 PM PST     -0.15 feet Low Tide
Fri -- 07:59 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.24.23.93.53.12.933.43.94.555.24.94.231.70.6-0-0.10.20.91.72.73.5

Tide / Current Tables for Point Pinos, California Current
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Point Pinos
Click for Map
Fri -- 02:16 AM PST     -0.00 knots Slack
Fri -- 04:28 AM PST     -0.47 knots Max Ebb
Fri -- 07:17 AM PST     Sunrise
Fri -- 07:40 AM PST     0.00 knots Slack
Fri -- 08:55 AM PST     Moonrise
Fri -- 10:31 AM PST     0.46 knots Max Flood
Fri -- 01:15 PM PST     -0.00 knots Slack
Fri -- 04:37 PM PST     -0.86 knots Max Ebb
Fri -- 05:19 PM PST     Sunset
Fri -- 07:59 PM PST     Moonset
Fri -- 08:25 PM PST     0.00 knots Slack
Fri -- 11:25 PM PST     0.65 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.60.40.1-0.2-0.4-0.4-0.3-0.10.10.30.40.40.30.1-0.2-0.6-0.8-0.8-0.7-0.4-0.10.20.50.6

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 (18,4,5,8)
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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.