Monday, June26, 2017 L-36.com


Marine Weather and Tides
Sand City, 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 5:49AMSunset 8:31PM Monday June 26, 2017 1:51 AM PDT (08:51 UTC) Moonrise 7:49AMMoonset 9:55PM Illumination 5% Phase: Waxing Crescent; Moon at 2 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- 925 Pm Pdt Sun Jun 25 2017
Tonight..NW winds 10 to 20 kt. Wind waves 3 ft late in the evening...becoming 2 ft or less. SWell sw 3 ft. Patchy fog after midnight.
Mon..W winds 5 kt...increasing to 10 to 20 kt in the afternoon. Waves 1 to 3 ft. SWell sw 3 ft at 15 seconds. Patchy fog in the morning.
Mon night..W winds 10 to 20 kt...becoming north 10 kt after midnight. Wind waves 3 to 4 ft in the evening...becoming 2 ft or less. SWell sw 3 ft at 15 seconds. Patchy fog after midnight.
Tue..W winds 15 to 25 kt. Wind waves 3 to 5 ft. SWell sw 3 ft at 15 seconds. Patchy fog in the morning.
Tue night..W winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 2 ft at 9 seconds and sw 3 ft at 15 seconds. Patchy fog after midnight.
Wed..W winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 2 to 4 ft. Patchy fog.
Thu..W winds 10 kt. Wind waves 2 ft or less. NW swell 4 to 5 ft...decreasing to 3 to 4 ft. Patchy fog.
Fri..W winds 5 to 15 kt. Wind waves 1 to 3 ft. NW swell 3 ft. Patchy fog.
PZZ500 925 Pm Pdt Sun Jun 25 2017
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Surface high pressure will remain located over the eastern pacific. Northwest winds will be locally gusty along the immediate coast. A dominant southerly swell will persist into Wednesday morning.

7 Day Forecast for Marine Location Near Sand City, CA
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location: 36.66, -121.86     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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Fxus66 kmtr 260504
afdmtr
area forecast discussion
national weather service san francisco bay area
1004 pm pdt Sun jun 25 2017

Synopsis Look for continued cooling inland through Monday as
the ridge of high pressure that had been overhead continues to
progress to the east. Also areas of night and morning low clouds
and fog followed by sunny afternoons can be expected. Modest
warming is expected during the second half of the week, however
highs will fall well short of the recent heatwave.

Discussion As of 07:08 pm pdt Sunday... The cool down continued
this afternoon across locations that experienced very hot
conditions late last week. High temperatures dropped 6 degrees
from yesterday to today in concord (88 to 82), 5 degrees in
livermore (85 to 80), and even 4 degrees in san jose (78 to 74).

These highs translate to values that are about 2 to 8 degrees
below late june climatological normals -- a rather drastic change
from several days ago when these same locations were 15 to 25
degrees above normal. Most of the coastline along and north of
half moon bay managed to remain overcast through the entire day
while the marine stratus was able to mix out throughout monterey
bay. Do expect the overcast skies to return later tonight for most
coastal areas with the marine layer sitting around 1,500 ft per
the fort ord profiler. A weak shortwave trough will push through
northern california and oregon through tomorrow and will allow for
interior temperatures to drop another few degrees for Monday
afternoon.

The current forecast remains on track and no major updates
planned this evening. Please refer to previous discussion for
additional details.

Prev discussion As of 2:00 pm pdt Sunday... As expected
temperatures are running cooler than yesterday especially for
inland locations. Overall looking at a drop of 4 to 9 degrees away
from the coast with temperatures close to Saturday's values.

Synoptically the strong high pressure ridge aloft has continued to
progress to the east while a more pronounced onshore flow is
setting up. Look for a quick return of the clouds this evening
along with patchy drizzle.

The ridge will continue to move to the east on Monday while 850 mb
temperatures drop another 2c down to the 19-21c range. Highs end
up being another 2 to 5 degrees cooler in most locations -- 70s to
mid 80s inland with mostly 60s at the coast. The only real
exception will be far southern monterey and san bentio counties
where highs will still reach the 90s. Conditions on Tuesday will
be similar.

A ridge of high pressure will attempt to rebuild into our region
starting Wednesday which will help to increase temperatures a bit,
however values will stay well below the very high numbers we had
recently. Generally look for 60s to lower 70s at the coast with
mid 70s to near 90 inland.

Longer range guidance through july 9th favors dry conditions with
temperatures near to a bit above normal.

Aviation As of 10:04 pm pdt Sunday... The marine layer will
likely deepen tonight and Monday as lower level cooling develops
and persists. Stratus will need time to redevelop after mixing out
over much of the coastal waters earlier this evening. Depending
on how much stratus CIGS redevelop onshore winds will bring it
back inland tonight with clearing back to the coastline Monday.

Vicinity of ksfo... MVFR cig has mixed out, low confidence on
timing its redevelopment tonight. Ifr is possible Monday morning.

Sfo bridge approach... Similar to ksfo.

Monterey bay terminals... Ifr CIGS developing later than previously
forecast due to stratus mixing out earlier this evening. Clearing
returns 16z-17z Monday. Stratus possibly returning Monday evening.

Marine As of 9:58 pm pdt Sunday... Surface high pressure will
remain located over the eastern pacific. Northwest winds will be
locally gusty along the immediate coast. A dominant southerly
swell will persist into Wednesday morning.

Mtr watches warnings advisories
Tngt Sca... Pt pinos to pt piedras blancas 0-10 nm
public forecast: rowe bell
aviation marine: canepa
visit us at

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46240 - Cabrillo Point, Monterey Bay, CA (158) 3 mi61 min 58°F2 ft
MEYC1 4 mi76 min S 5.1 G 7 59°F 58°F1017 hPa
46092 - MBM1 11 mi105 min WNW 3.9 56°F 56°F1015.7 hPa (+1.0)
ELXC1 - Elkhorn Slough Reserve, CA 13 mi67 min SSE 2.9 55°F 1016 hPa54°F
46239 - Point Sur, CA (157) 26 mi60 min 55°F3 ft
46114 - West Monterey Bay, CA 26 mi52 min 58°F3 ft
46042 - MONTEREY - 27NM West of Monterey Bay, CA 33 mi62 min 59°F 60°F4 ft1016.7 hPa (+0.5)

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Monterey Regional Airport, CA5 mi58 minSW 610.00 miFair62°F53°F73%1018.3 hPa
Salinas, Salinas Municipal Airport, CA13 mi59 minNNW 510.00 miFair59°F52°F78%1017.5 hPa
Watsonville, Watsonville Municipal Airport, CA20 mi59 minNNW 310.00 miFair55°F54°F96%1017 hPa

Wind History from MRY (wind in knots)
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Last 24hrSW6W5W5W5SW5CalmW4W6NW6W8W8W7NW7W10W10W10W9W8W7SW5S6S6SW8SW6
1 day agoCalmW4CalmW3CalmN3CalmCalmW4NW5W7NW8NW9W11W8W9NW7W5--W5W6W6SW5W7
2 days agoNE4NE5NE4NE4CalmNE4E4Calm3NW6NW64W6W7SW11SW11SW12SW9SW6SW4S6Calm3W3

Tide / Current Tables for Monterey, Monterey Harbor, California
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Monterey
Click for Map
Mon -- 05:50 AM PDT     Sunrise
Mon -- 07:15 AM PDT     -1.41 feet Low Tide
Mon -- 08:49 AM PDT     Moonrise
Mon -- 02:03 PM PDT     4.40 feet High Tide
Mon -- 06:54 PM PDT     2.37 feet Low Tide
Mon -- 08:30 PM PDT     Sunset
Mon -- 10:54 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
6.4653.51.90.3-0.9-1.4-1.2-0.40.82.13.34.14.44.23.732.52.42.63.34.25.1

Tide / Current Tables for Point Pinos, California Current
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Point Pinos
Click for Map
Mon -- 02:02 AM PDT     -0.00 knots Slack
Mon -- 05:21 AM PDT     -1.16 knots Max Ebb
Mon -- 05:51 AM PDT     Sunrise
Mon -- 08:49 AM PDT     Moonrise
Mon -- 09:14 AM PDT     0.00 knots Slack
Mon -- 12:18 PM PDT     0.91 knots Max Flood
Mon -- 03:43 PM PDT     -0.00 knots Slack
Mon -- 06:01 PM PDT     -0.59 knots Max Ebb
Mon -- 08:30 PM PDT     Sunset
Mon -- 09:18 PM PDT     0.00 knots Slack
Mon -- 10:54 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.60.40-0.5-0.9-1.1-1.1-0.9-0.5-0.10.40.70.90.90.70.3-0.1-0.5-0.6-0.5-0.3-0.10.20.5

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 (4,6,7,8)
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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.