Thursday, March30, 2017 L-36.com


Marine Weather and Tides
Pleasure Point, 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 6:53AMSunset 7:30PM Thursday March 30, 2017 1:31 PM PDT (20:31 UTC) Moonrise 7:56AMMoonset 9:43PM Illumination 12% 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- 829 Am Pdt Thu Mar 30 2017
.small craft advisory in effect from 2 pm pdt this afternoon through Friday evening...
Today..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 8 to 10 ft at 14 seconds.
Tonight..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 4 to 6 ft at 13 seconds.
Fri..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 8 to 10 ft at 11 seconds...decreasing to 4 to 5 ft at 14 seconds in the afternoon.
Fri night..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 9 to 12 ft at 14 seconds.
Sat..E winds 10 kt...becoming west. Wind waves 2 ft or less... Becoming 3 ft. W swell 6 to 8 ft at 16 seconds.
Sun..NW winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 8 to 10 ft.
Mon..NW winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 9 to 11 ft.
PZZ500 829 Am Pdt Thu Mar 30 2017
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Northwest winds will remain strong and gusty in wake of a frontal passage earlier this morning. Surface high pressure will build over far northern california resulting in gale force winds over the coastal waters through at least Friday. Northwest swell will level off while swell periods steadily decrease today. Large and very long period northwesterly swell will return to the coastal waters late Saturday night that will last through the weekend.

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 301744
afdmtr
area forecast discussion
national weather service san francisco bay area
1044 am pdt Thu mar 30 2017

Synopsis Cooler and breezy conditions are forecast for
today in the wake of a cold frontal system. Most locations will
not receive measurable rainfall from this dry system. Locally
strong and gusty northwest winds are likely from Thursday
afternoon into Friday. A warming trend is then expected for the
upcoming weekend as high pressure rebuilds over the region.

Discussion As of 09:23 am pdt Thursday... A cold front
continues to slide through the forecast area this morning. Latest
analysis from obs and satellite have it positioned across
monterey/san benito counties. For the most part, the FROPA was a
dry passage with a few exceptions. A few automated gauges reported
a few tips this morning, but rather widely scattered. The highest
amounts measured were over the higher peaks of the big sur coast.

Raws reported up to about a tenth, likely due to the enhance
orographic lifting. Will likely update the forecast this morning
to remove any precip north of monterey and adjust cloud cover with
more sunshine.

The other item of note this morning will be the winds. As
mentioned on the previous discussion the northerly gradient will
increase through the day resulting in strong and gusty winds. A
wind advisory remains valid for portions of the bay area today.

Winds will initially ramp up along the coast today and the higher
terrain tonight.

Prev discussion As of 2:55 am pdt Thursday... The nw-se
pressure gradient will tighten in the wake of this system as it
exits into southern california and high pressure builds off the
northern california coast. This will result in increasing
northwest winds in the wake of the aforementioned system. The
strongest winds will occur along the coastline, which will begin
to ramp up later this morning behind the front, then strengthen
later this afternoon into early this evening, before subsiding
tonight. The strongest winds will then shift to the higher inland
terrain later tonight through midday tomorrow. As a result, a wind
advisory is now in effect for the coast through 8pm tonight, and
midday Friday for the higher inland terrain. Local wind gusts up
to 45mph are expected by later tomorrow, with gusts exceeding
50mph possible over the higher inland terrain through midday
tomorrow. Winds will then subside into Saturday, where locally
breezy conditions are expected to persist.

The air mass is expected to dry out into Friday, allowing for peak
diurnal heating, and a rapid warmup through the end of the week as
a ridge of high pressure builds inland. Expect to see temperatures
rise further into Saturday as the ridge shifts inland. The ridge
weakens later into the weekend, leading to near normal seasonal
conditions.

By early next week, another dry, breezy system for the region
will slide into california from the northwest and descend into the
great basin. High pressure then builds into the region through mid
week, bringing warmer, drier conditions. Longer range models show
a deeper storm system well to the northwest late next week,
however, there are vast differences in the trajectory. For now,
this stronger system looks more like a pacific northwest event,
however, it is far enough out in the extended period that the
forecast models may cause it to drift southward over the coming
days. Stay tuned for the latest info!

Aviation As of 10:35 am pdt Thursday... For 18z tafs...VFR
conditions will prevail over the region today in wake of an early
morning frontal passage. Breezy to gusty NW winds will be the
main impact to area terminals with gust in excess of 25 kt through
at least this evening. While winds diminish slightly late
tonight, breezy conditions will continue into Friday with another
increase by late Friday morning/early afternoon.

High confidence with cigs; moderate confidence with winds and
timing.

Vicinity of ksfo...VFR. A brief lull in the stronger NW winds
likely to continue through around 20/21z before increasing and
becoming gusty once again this afternoon. Wind gusts in excess of
30 kt are likely, yet confidence of these gusts exceeding 35 kt
remains low. Thus, will closely monitor wind speeds/gusts through
the afternoon/evening for the potential/need for an airport
weather warning.

Sfo bridge approach... Similar to ksfo.

Monterey bay terminals..Vfr. Breezy and gusty w-nw winds through
this afternoon and evening, 15-20 kt, gusting 25-30 kt.

Marine As of 10:35 am pdt Thursday... Northwest winds will
remain strong and gusty in wake of a frontal passage earlier this
morning. Surface high pressure will build over far northern
california resulting in gale force winds over the coastal waters
through at least Friday. Northwest swell will level off while
swell periods steadily decrease today. Large and very long period
northwesterly swell will return to the coastal waters late
Saturday night that will last through the weekend.

Mtr watches/warnings/advisories
Tday Wind advisory... Caz006-505-509-530
sca... Pt arena to pt reyes 0-10 nm
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... Pt arena to pigeon pt 10-60 nm
sca... Pigeon pt to pt piedras blancas 10-60 nm
glw... Pt arena to pt reyes 0-10 nm from 5 pm
glw... Pt reyes to pigeon pt 0-10 nm from 5 pm
glw... Pigeon pt to pt pinos 0-10 nm from 5 pm
glw... Pt pinos to pt piedras blancas 0-10 nm from 5 pm
glw... Pt arena to pigeon pt 10-60 nm from 5 pm
glw... Pigeon pt to pt piedras blancas 10-60 nm from 5 pm
sca... Rough bar advisory for sf bar until 3 pm
sca... Mry bay from 2 pm
sca... Sf bay from 3 pm
public forecast: mm/drp
aviation: rgass
marine: rgass
visit us at

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46092 - MBM1 14 mi83 min W 21 53°F 54°F1018.5 hPa (-1.0)
46240 - Cabrillo Point, Monterey Bay, CA (158) 23 mi41 min 58°F6 ft
MEYC1 24 mi56 min W 18 G 23 54°F 58°F1019.9 hPa
46114 - West Monterey Bay, CA 26 mi32 min 56°F13 ft
46042 - MONTEREY - 27NM West of Monterey Bay, CA 28 mi42 min 27 G 33 55°F 56°F13 ft1020 hPa (-0.7)
RTYC1 - 9414523 - Redwood City, CA 41 mi44 min W 15 G 20 58°F 61°F1019.6 hPa
46239 - Point Sur, CA (157) 43 mi40 min 55°F11 ft

Wind History for Monterey, CA
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W8
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Watsonville, Watsonville Municipal Airport, CA10 mi39 minE 610.00 miFair65°F43°F45%1018.6 hPa

Wind History from WVI (wind in knots)
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Last 24hrSE4SE5SE7SE7S6S6CalmSE4CalmCalmN3CalmNW3N3CalmCalmCalmCalmN3W9W6E5CalmE6
1 day ago4NW9
G18
NW9653CalmCalmW3NW3CalmNW4CalmNW4NW4NW3CalmN4CalmS3CalmCalm4SW7
2 days agoNW7NW8
G16
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N65W5W3CalmNW4S4N4NW3N3NW3NW4NW4NW5NW3CalmCalm4S7S8

Tide / Current Tables for Santa Cruz, California
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Santa Cruz
Click for Map
Thu -- 12:27 AM PDT     5.30 feet High Tide
Thu -- 06:37 AM PDT     -0.28 feet Low Tide
Thu -- 06:56 AM PDT     Sunrise
Thu -- 08:55 AM PDT     Moonrise
Thu -- 01:19 PM PDT     4.38 feet High Tide
Thu -- 06:37 PM PDT     1.31 feet Low Tide
Thu -- 07:29 PM PDT     Sunset
Thu -- 10:43 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.25.24.53.31.80.6-0.2-0.20.31.12.13.13.94.44.33.72.81.91.41.31.72.53.44.3

Tide / Current Tables for Point Pinos, California Current
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Point Pinos
Click for Map
Thu -- 02:22 AM PDT     -0.00 knots Slack
Thu -- 05:28 AM PDT     -0.98 knots Max Ebb
Thu -- 06:56 AM PDT     Sunrise
Thu -- 08:56 AM PDT     Moonrise
Thu -- 09:03 AM PDT     0.00 knots Slack
Thu -- 12:03 PM PDT     0.79 knots Max Flood
Thu -- 03:22 PM PDT     -0.00 knots Slack
Thu -- 05:57 PM PDT     -0.71 knots Max Ebb
Thu -- 07:28 PM PDT     Sunset
Thu -- 09:11 PM PDT     0.00 knots Slack
Thu -- 10:42 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.70.50.1-0.3-0.7-0.9-0.9-0.7-0.4-00.40.70.80.70.50.1-0.3-0.6-0.7-0.6-0.3-0.10.20.5

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 (16,3,4,5)
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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.