Monday, March27, 2017 L-36.com


Marine Weather and Tides
Manhattan Beach, 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 6:44AMSunset 7:12PM Monday March 27, 2017 5:44 AM PDT (12:44 UTC) Moonrise 6:42AMMoonset 7:01PM Illumination 0% Phase: New Moon; Moon at 29 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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PZZ655 Inner Waters From Point Mugu To San Mateo Pt. Ca Including Santa Catalina And Anacapa Islands- 314 Am Pdt Mon Mar 27 2017
.small craft advisory in effect until noon pdt today...
.gale warning in effect from noon pdt today through late tonight...
Today..Western portion...nw winds 15 to 25 kt becoming W 25 to 30 kt with gusts to 35 kt in the afternoon. Elsewhere...winds variable 10 kt or less becoming W 10 to 15 kt in the afternoon. Combined seas 3 to 5 ft dominant period 7 seconds...building to 5 to 7 ft dominant period 7 seconds in the afternoon.
Tonight..NW winds 15 to 25 kt with gusts to 35 kt. Strongest western portion. Combined seas 6 to 8 ft dominant period 9 seconds.
Tue..NW winds 10 to 15 kt...becoming 15 to 20 kt in the afternoon. Wind waves 2 to 3 ft. W swell 3 to 5 ft at 10 seconds.
Tue night..NW winds 15 to 20 kt...becoming 10 to 15 kt after midnight. Wind waves 2 to 3 ft. W swell 3 to 5 ft at 11 seconds.
Wed..N winds 5 to 10 kt...becoming W in the afternoon. Wind waves 2 ft or less. W swell 4 to 5 ft at 15 seconds.
Wed night..W winds 10 to 15 kt...becoming nw 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 3 to 4 ft at 15 seconds.
Thu..NW winds 20 to 30 kt. Combined seas 4 to 6 ft.
Fri..NW winds 15 to 20 kt with gusts to 25 kt. Combined seas 3 to 5 ft.
PZZ600 314 Am Pdt Mon Mar 27 2017
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 09z...or 2 am pst...a 1030 mb high pressure center was located 700 nm west of point conception and a 994 mb low pressure center was located in the gulf of alaska. Winds will be elevated during much of this coming week. Widespread gales are likely this afternoon and evening and possibly again Thursday and Friday. Short period seas will dominate the waters due to persistent northwest winds.

7 Day Forecast for Marine Location Near Manhattan Beach, CA
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location: 33.88, -118.41     debug


Area Discussion for - Los Angeles/Oxnard, CA
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Fxus66 klox 271204
afdlox
area forecast discussion
national weather service los angeles/oxnard ca
504 am pdt Mon mar 27 2017

Aviation discussion updated...

Synopsis
A mostly dry cold front will bring some rain showers and snow
showers to the mountains today, mainly to northern slopes. Behind
the front, widespread strong west to north winds will affect the
region later today through Tuesday morning. High pressure will
bring a warming trend Tuesday and Wednesday. An upper trough
moving to our north will bring cooling again for Thursday and
Friday, with warmer weather once again over the weekend.

Short term (tdy-wed)
a frontal system was moving through the region early this morning.

There were some scattered showers across slo and sba counties,
but those should be gone by daybreak as the frontal system has
become noticeably drier. The exception will be across interior
sections of slo and sba counties, and the northern slopes of the
mountains of vtu and l.A. Counties, where upslope northwesterly
flow will help to squeeze out any moisture. This should keep a
fair amount of cloudiness and scattered showers for much of the
day. Snow levels will be between 5500 and 6000 feet, and local
accumulations of around an inch are possible across NRN vtu county
and nwrn l.A. County. Otherwise, skies will be partly cloudy
across the region today.

The main story will be the widespread strong west to north winds
which will overspread the region this morning and early this
afternoon and continue in some areas through mid morning Tuesday.

There is a fairly strong area of subsidence that will spread into
the region today, with fairly decent nwly winds at 850 mb and
700 mb. At this point, feel fairly confident that at least
marginal high wind warning level winds will affect the mtns of
l.A. And northeastern vtu county, near the i-5 corridor, and the
mtns of sba county as well. Converted those watches to warnings,
from mid afternoon through Tue morning, except through late
tonight across sba county. Also have gone with a high wind warning
for the antelope valley starting this afternoon, as 60 mph gusts
looks likely for western and foothills sections. Will have wind
advisories leading up to the warnings in all these areas.

Not as confident for high wind warning level winds in the santa
clarita valley and the sba south coast, so have left watches in
place for tonight (except into Tue morning across the santa
clarita valley) to avoid locking in the next shift and affording
a look at the 12z models. Elsewhere, wind advisories have been
issued for most other locations. At this point, feel winds will
stay just below advisory levels in the santa ynez valley and the
interior valleys of slo county. Advisories may have to be expanded
to the vtu county coast this afternoon, and to the san gabriel
valley, especially in the foothills if a mountain wave appears to
be setting up. Winds will decrease on the central coast this
evening, and in most other areas late tonight or Tue morning.

An upper ridge will amplify off the west coast on tue. Skies
should be mostly sunny. Rising heights and thickness values should
lead to several degrees of warming, especially west of the
mountains where low level flow will shift to a more northeasterly
direction. MAX temps should reach 80 degrees in warmer coastal and
valley areas on tue.

The ridge will continue to build Tue night and Wed and heights and
thicknesses will continue to rise. Low level flow will be
offshore, enough for some gusty NE winds across l.A. And vtu
counties, but probably below advisory levels. MAX temps will jump
again on wed, possibly getting close to 90 degrees in some valley
areas.

Long term (thu-sun)
an upper level trough will move through the pac NW and into the
great basin on thu, then southeastward to the four corners area on
fri. This should bring cooling to the region Thu and fri, but it
appears that any rainfall will remain to the north and east of the
forecast area. An upper level ridge and offshore flow will bring
significant warming to the area on Saturday, with temps back up
into the 80s in the valleys and possible some coastal areas. Above
normal temps will likely continuing on Sunday.

Aviation 27/12z...

at 09z at klax... There was no notable inversion.

Overall... Moderate confidence in the current tafs. MVFR
conditions are possible at most locations overnight other than in
the antelope valley. Chances are greatest for terminals along the
central coast and along the los angeles county coast. There is a
slight chance of showers at san luis obispo county terminals
through 13z. All sites will becomeVFR by 16z-18z as winds become
strong and gusty through 03z. Antelope valley sites remainVFR
throughout the forecast period.

Klax... Moderate confidence in the current taf. MVFR conditions
are likely 14z-17z otherwiseVFR conditions will prevail. Winds
become strong and gusty 21z-03z. No east winds greater than seven
knots are expected.

Kbur... Moderate confidence in the current taf. There is a less
than ten percent chance of MVFR conditions developing overnight.

OtherwiseVFR conditions will prevail.

Marine 27/230 am...

for the outer waters... Northwest winds at small craft advisory
(sca) levels this morning will increase to gale levels this
afternoon and continue through Tuesday morning. Winds will
diminish on Tuesday but will remain at SCA levels through
Wednesday. There is a good chance that winds will increase to gale
levels again Thursday and Friday.

For the inner waters... Northwest winds at small craft advisory
(sca) levels this morning across the inner waters. For the waters
north of point sal there is high confidence in winds reaching
gale levels this afternoon and evening then diminishing on
Tuesday. There is a good chance that winds will increase to sca
levels Thursday and Friday.

For the inner waters south of point conception there is moderate
confidence in winds increasing to gale levels this afternoon and
evening... Primarily across western sections. Winds will diminish
on Tuesday then possibly increase to SCA levels again Thursday
and Friday.

Lox watches/warnings/advisories
Ca... Wind advisory in effect from noon today to 9 pm pdt this
evening for zones 34-35. (see laxnpwlox).

Beach hazards statement in effect from noon pdt today through
late tonight for zones 34-35. (see laxcfwlox).

Wind advisory in effect until 6 pm pdt this evening for zone
39. (see laxnpwlox).

High wind watch in effect from this evening through Tuesday
morning for zones 39-88. (see laxnpwlox).

Wind advisory in effect from 3 pm this afternoon to 9 am pdt
Tuesday for zones 41-44>46-87-547. (see laxnpwlox).

Wind advisory in effect until 3 pm pdt this afternoon for
zone 52. (see laxnpwlox).

High wind warning in effect from 3 pm this afternoon to 3 am
pdt Tuesday for zones 52-59. (see laxnpwlox).

Wind advisory in effect from 9 am this morning to 3 pm pdt
this afternoon for zones 53-54-59. (see laxnpwlox).

High wind warning in effect from 3 pm this afternoon to 9 am
pdt Tuesday for zones 53-54. (see laxnpwlox).

Wind advisory in effect from noon today to 6 pm pdt this
evening for zone 88. (see laxnpwlox).

Pz... Small craft advisory in effect until noon pdt today for zones
645-650-655-670-673-676. (see laxmwwlox).

Gale warning in effect from noon today to 5 am pdt Tuesday
for zones 645-650-655. (see laxmwwlox).

Gale warning in effect from noon today to 11 am pdt Tuesday
for zones 670-673-676. (see laxmwwlox).

Hazard potential outlook (wed-sun)
another round of strong and gusty northwest to north winds will
be possible Thu night in the mountains and along the santa barbara
county south coast, with travel being affected by the winds.

Public... Db
aviation... Kj
marine... Kj
synopsis... Db
weather.Gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ICAC1 - 9410840 - Santa Monica Pier 10 mi45 min NE 5.1 G 6 55°F 61°F1016.3 hPa (-0.6)
PXAC1 11 mi57 min ESE 1.9 G 1.9
PSXC1 12 mi45 min SSE 2.9 G 4.1
BAXC1 12 mi45 min SSE 1.9 G 2.9
46221 - Santa Monica Bay, CA (028) 12 mi45 min 60°F5 ft
PFDC1 13 mi45 min SE 1.9 G 1.9
OHBC1 - 9410660 - Los Angeles, CA 13 mi45 min 60°F1016.1 hPa (-0.9)
AGXC1 14 mi45 min SSE 2.9 G 4.1 58°F 1015.9 hPa (-1.0)
PFXC1 14 mi45 min S 2.9 G 4.1 58°F 1015.3 hPa (-0.9)
PRJC1 16 mi45 min S 4.1 G 4.1
46256 17 mi53 min 60°F3 ft
46222 - San Pedro, CA (092) 19 mi56 min 61°F5 ft
46253 24 mi45 min 60°F4 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 35 mi35 min W 5.8 G 9.7 58°F 60°F1016 hPa55°F

Wind History for Santa Monica, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Los Angeles, Los Angeles International Airport, CA4 mi52 minNE 310.00 miA Few Clouds54°F52°F93%1015.9 hPa
Hawthorne, Hawthorne Municipal Airport, CA5 mi52 minN 010.00 miPartly Cloudy55°F51°F87%1016.1 hPa
Santa Monica, Santa Monica Municipal Airport, CA11 mi54 minN 010.00 miFair52°F50°F93%1016 hPa
Los Angeles / USC Campus Downtown, CA12 mi58 minN 010.00 miFair55°F51°F87%1015.8 hPa
Long Beach, Long Beach Airport, CA14 mi52 minN 010.00 miA Few Clouds54°F48°F83%1015.9 hPa
Los Alamitos U. S. Army Airfield, CA20 mi1.8 hrsN 010.00 miFair51°F48°F91%1016.5 hPa
Burbank - Bob Hope Airport, CA22 mi52 minSE 310.00 miFair52°F46°F80%1014.9 hPa
Van Nuys, Van Nuys Airport, CA23 mi54 minN 010.00 miFair51°F48°F89%1015.5 hPa
Fullerton, Fullerton Municipal Airport, CA23 mi52 minE 310.00 miFair54°F50°F87%1015.7 hPa

Wind History from LAX (wind in knots)
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Last 24hrCalmE3E4E54N4W5SW11W14SW15W12W11W13W9SW8W8W13W13W9W9CalmNE3CalmNE3
1 day agoN3W9NW4W93SW9SW11SW10W14SW11SW13W16W10
G16
SW10W13W15SW9W8W7SW7W3S3CalmCalm
2 days agoNE5E4NE55SE4SE3W11W12W12W15W14W17W13W15W15W16W13W11W10W13NE8SE3W9NW7

Tide / Current Tables for El Segundo, Santa Monica Bay, California
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El Segundo
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Mon -- 03:36 AM PDT     0.30 feet Low Tide
Mon -- 06:42 AM PDT     Moonrise
Mon -- 06:47 AM PDT     Sunrise
Mon -- 09:42 AM PDT     5.22 feet High Tide
Mon -- 03:59 PM PDT     -0.33 feet Low Tide
Mon -- 07:01 PM PDT     Moonset
Mon -- 07:11 PM PDT     Sunset
Mon -- 07:59 PM PDT     New Moon
Mon -- 10:11 PM PDT     5.12 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.32.11.10.40.30.91.93.24.35.15.24.73.62.310-0.3012.33.64.65.14.9

Tide / Current Tables for Santa Monica, California
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Santa Monica
Click for Map
Mon -- 03:27 AM PDT     0.33 feet Low Tide
Mon -- 06:42 AM PDT     Moonrise
Mon -- 06:47 AM PDT     Sunrise
Mon -- 09:33 AM PDT     5.42 feet High Tide
Mon -- 03:50 PM PDT     -0.32 feet Low Tide
Mon -- 07:01 PM PDT     Moonset
Mon -- 07:11 PM PDT     Sunset
Mon -- 07:59 PM PDT     New Moon
Mon -- 10:02 PM PDT     5.30 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.3210.40.41.12.23.54.65.35.44.73.62.20.8-0.1-0.30.11.22.63.94.95.35

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of Southwest    EDIT
Geos

Wind Forecast for Los Angeles/Oxnard, CA (8,2,3,4)
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Ground Weather Radar Station Santa Ana Mtns, 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.