Friday, May26, 2017 L-36.com


Marine Weather and Tides
Rio del Mar, CA

Version 3.4
What's New / NOTES
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 5:50AMSunset 8:19PM Friday May 26, 2017 5:28 PM PDT (00:28 UTC) Moonrise 5:57AMMoonset 8:28PM Illumination 2% Phase: Waxing Crescent; Moon at 1 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- 216 Pm Pdt Fri May 26 2017
.small craft advisory in effect from Saturday afternoon through late Saturday night...
Tonight..W winds 10 kt. Wind waves 3 ft in the evening... Becoming 2 ft or less. NW swell 3 ft at 10 seconds. Patchy fog after midnight.
Sat..W winds 10 kt...increasing to 15 to 25 kt in the afternoon. Wind waves 2 ft or less...becoming 3 to 5 ft in the afternoon. NW swell 3 ft at 10 seconds. Patchy fog in the morning.
Sat night..W winds 15 to 25 kt...becoming north 5 to 15 kt after midnight. Wind waves 3 to 5 ft. NW swell 3 ft at 11 seconds.
Sun..W winds 15 to 25 kt. Wind waves 3 to 5 ft. NW swell 3 ft at 12 seconds.
Sun night..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 2 ft at 11 seconds.
Memorial day..W winds 15 to 25 kt. Wind waves 3 to 5 ft... Becoming 2 ft or less. W swell 3 ft.
Tue..W winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 3 ft.
Wed..W winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 3 ft.
PZZ500 216 Pm Pdt Fri May 26 2017
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Light to locally moderate northerly winds will prevail along the coast through early Saturday. High pressure will build over the eastern pacific this weekend resulting in increasing winds and steeper wind waves.

7 Day Forecast for Marine Location Near Rio del Mar, CA
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location: 36.96, -121.9     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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Fxus66 kmtr 262346
afdmtr
area forecast discussion
national weather service san francisco bay area
446 pm pdt Fri may 26 2017

Synopsis Deep marine layer with nearly all areas starting the
day cloudy which will keep temperatures on the cool side of normal
today. Saturday will trend back towards seasonable temperatures as
high pressure begins to build. Dry and warmer Sunday and Monday.

Another trough begins to approach by Tuesday and Wednesday with a
modest cooling trend and continued coastal clouds.

Discussion As of 1:43 pm pdt Friday... Overcast skies blanketed
much of central california this morning and early afternoon with
the marine layer exceeding 4000 ft. Visible satellite showed the
cloud cover extending along the central coast and going as far
inland as the san joaquin valley and pushing up against the
southern sierra foothills. The clouds have been slow to erode away
again today; some areas along the coast may not see the sunshine
at all. Temperatures will be relatively cool for interior
locations where today's afternoon highs will range from about 5 to
15 degrees below late may climatological normals.

At the present a trough axis extends from the intermountain west
southwestward through central california. This trough will shift
east into the great plains over the next 24 to 36 hours. Meanwhile
a ridge will amplify off the west coast and will allow for
temperatures to begin an upward trend through the holiday weekend.

Saturday's high temperatures for the interior will range from the
upper 60s to around 80, while locations along the coast will
remain marine-influenced in the mid 50s to mid 60s. Inland areas
will warm by about 2-7 degrees from Saturday to Sunday, and
several additional degrees from Sunday to memorial day. By this
point most inland locations will be within 2-4 degrees of normal.

The exception would be the southern salinas valley and parts of
san benito county where guidance suggests temperatures will reach
the 90s by Sunday. If you have travel plans over the holiday
weekend, we encourage you to visit weather.Gov for the latest
forecast for your travel destination.

From Tuesday to Wednesday the ridge will shift eastward into the
great basin and will allow for temperatures to moderate a bit as a
weak trough moves onshore. 12z ECMWF is trying to paint some very
light QPF over parts of the area on Wednesday, but confidence is
low and will keep pops less than 10 percent at this time.

Looking ahead to the beginning of june, the climate prediction
center's 6 to 10 day temperature outlook (valid june 1 to 5) gives
much of central and northern california an increased chance of
experiencing above normal temperatures.

Aviation As of 4:45 pm pdt Friday... Low clouds have been slow
to clear on Friday afternoon and likely will not clear in some
areas. Expect widespread MVFR conditions in all areas by mid
evening and continuing through late Saturday morning. Weak low
pressure offshore will maintain light southerly winds this
evening. Winds will turn to a more typical west to northwest
direction by Saturday afternoon.

Vicinity of ksfo... MVFR ceilings likely through late Friday
morning, although low clouds may briefly scatter out early in
period.VFR conditions expected to return by 17z Saturday. Light
southwest winds overnight will turn to the west by midday Saturday
and increase Saturday afternoon.

Sfo bridge approach... Similar to terminal.

Monterey bay terminals... MVFR ceilings likely through the period,
although low clouds may scatter out on Saturday afternoon for a
few hours. Light southwest to south winds through early Saturday
morning then becoming light westerly.

Marine As of 08:48 am pdt Friday... Weak high pressure offshore
will result in relatively light winds and small seas along the
central coast. High pressure will increase over the weekend with
increasing winds on Saturday and lasting through the memorial
day.

Mtr watches warnings advisories
Tngt Sca... Sf bay until 9 pm
public forecast: rowe
aviation: dykema
marine: mm
visit us at

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ELXC1 - Elkhorn Slough Reserve, CA 13 mi104 min NW 8.9 61°F 1016 hPa53°F
46092 - MBM1 16 mi82 min WSW 9.7 55°F 56°F1015.5 hPa (+0.0)
46240 - Cabrillo Point, Monterey Bay, CA (158) 23 mi38 min 55°F3 ft
MEYC1 25 mi53 min WSW 7 G 12 56°F 55°F1016.6 hPa
46114 - West Monterey Bay, CA 29 mi29 min 58°F5 ft
46042 - MONTEREY - 27NM West of Monterey Bay, CA 32 mi39 min 57°F 59°F6 ft1016.5 hPa (+0.0)
RTYC1 - 9414523 - Redwood City, CA 41 mi41 min S 7 G 9.9 63°F 67°F1014.9 hPa
46239 - Point Sur, CA (157) 44 mi37 min 58°F6 ft

Wind History for Monterey, CA
(wind in knots)    EDIT      (on/off)   Help
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S15
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G13
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SW8
G12
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G14
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G11
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G14
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G15
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G12
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G17
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SW4
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E1
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S1
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G7
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S11
G16
S11
G16
SW8
G14
SW8
G14

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Watsonville, Watsonville Municipal Airport, CA6 mi36 minSW 6 G 1510.00 miFair61°F50°F67%1016.3 hPa

Wind History from WVI (wind in knots)
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Last 24hr4SW6W3SW5SW5W4SW63CalmCalmCalmCalmCalmCalmSW3SW55SW8SW8SW9SW12SW9
G14
W11
G17
SW6
G15
1 day agoSW10
G16
SW7SW6SW6SW5SW6SW8SW8SW5SW6SW7SW6SW4SW4SW4SW8SW7S6SW9--SW9
G16
SW8
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W11SW9
G16
2 days agoS6SW6SW4SW3CalmCalmCalmSW3W43CalmSW3W3SW3CalmS5CalmSW4SW54SW8
G14
SW10SW6SW7

Tide / Current Tables for Santa Cruz, Monterey Bay, California
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Santa Cruz
Click for Map
Fri -- 05:52 AM PDT     Sunrise
Fri -- 05:54 AM PDT     -1.42 feet Low Tide
Fri -- 06:57 AM PDT     Moonrise
Fri -- 12:28 PM PDT     4.15 feet High Tide
Fri -- 05:18 PM PDT     1.94 feet Low Tide
Fri -- 08:18 PM PDT     Sunset
Fri -- 09:28 PM PDT     Moonset
Fri -- 11:26 PM PDT     6.37 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.84.631.3-0.2-1.1-1.4-1-01.32.63.64.14.13.62.92.322.12.63.64.75.76.3

Tide / Current Tables for Point Pinos, California Current
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Point Pinos
Click for Map
Fri -- 12:42 AM PDT     -0.00 knots Slack
Fri -- 04:00 AM PDT     -1.21 knots Max Ebb
Fri -- 05:53 AM PDT     Sunrise
Fri -- 06:58 AM PDT     Moonrise
Fri -- 07:48 AM PDT     0.00 knots Slack
Fri -- 10:51 AM PDT     0.96 knots Max Flood
Fri -- 02:16 PM PDT     -0.00 knots Slack
Fri -- 04:35 PM PDT     -0.65 knots Max Ebb
Fri -- 07:44 PM PDT     0.00 knots Slack
Fri -- 08:17 PM PDT     Sunset
Fri -- 09:27 PM PDT     Moonset
Fri -- 10:38 PM PDT     0.70 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.3-0.1-0.6-1.1-1.2-1.1-0.8-0.40.10.60.910.80.50.1-0.3-0.6-0.6-0.5-0.20.10.40.70.7

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 (20,4,5,8)
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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.