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Marine Weather and Tides
El Segundo, CA

Version 3.4
NOTICE
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:42AMSunset 4:45PM Thursday December 5, 2019 9:56 PM PST (05:56 UTC) Moonrise 2:20PMMoonset 1:27AM Illumination 68% Phase: Waxing Gibbous; Moon at 9 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- 807 Pm Pst Thu Dec 5 2019
Tonight..Winds variable 10 kt or less. Wind waves 2 ft or less. SW swell 2 to 3 ft at 12 seconds.
Fri..Winds variable 10 kt or less, becoming se 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 ft at 14 seconds.
Fri night..SE winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 17 seconds and S 2 ft at 12 seconds. Chance of showers after midnight.
Sat..SE winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 15 seconds and se 2 to 4 ft at 10 seconds. Showers likely.
Sat night..SE winds 10 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 2 to 3 ft at 13 seconds. Showers likely.
Sun..Winds variable 10 kt or less, becoming nw 10 to 20 kt in the afternoon. Wind waves 1 to 3 ft. W swell 2 to 4 ft at 12 seconds. Showers likely in the morning, then chance of showers.
Sun night..NW winds 10 to 20 kt. Wind waves 1 to 3 ft. W swell 2 to 3 ft at 11 seconds, building to 4 ft at 10 seconds after midnight. Slight chance of showers.
Mon..NW winds 5 to 10 kt. Wind waves 2 ft or less. W swell 2 to 4 ft.
Tue..NW winds 5 to 10 kt. Wind waves 2 ft or less. W swell 2 ft.
PZZ600 807 Pm Pst Thu Dec 5 2019
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 03z or 7 pm pst, a 983 mb low was 650 nm west of eureka with a cold front extending well S of the low over the E pac. A 1028 mb high was over idaho.


7 Day Forecast for Marine Location Near El Segundo, CA
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location: 33.91, -118.43     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 060436 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 836 PM PST Thu Dec 5 2019

SYNOPSIS. 05/746 PM.

Clouds will increase tomorrow as the next storm system approaches bringing gusty winds and rain to San Luis Obispo County as early as Friday morning, and into the remaining counties by Friday night. The chance of rain will persist through Saturday, with lingering showers possible early Sunday. Temperatures will begin warming through Thursday as high pressure returns.

SHORT TERM (THU-SUN). 05/835 PM.

***UPDATE***

An upper level ridge over srn CA this evening will slowly move E of the region overnight while an upper level low and its associated large upper level trof over the E Pac slowly edges E. Lingering low level moisture will keep varying amounts of stratocu over portions of the forecast area overnight. There is also plenty of hi clouds streaming into the region from the SW this evening which will continue overnight. Overall, mostly cloudy skies will prevail across the region tonight. Some offshore flow will develop overnight specially over portions of VTU/L.A. Counties but winds will be well below advisory levels. With the clouds and breezes, overngiht low temps are expected to be mild and significantly above normal.

***From Previous Discussion***

A very similar scenario Friday though models are a little less moist in the lower levels than today. May see a little more sunshine but still on the cool side. An upper low is spinning around near 40n/140w and will only move very slowly east through Saturday as it bumps into a weak upper ridge along the coast. We will see moisture increasing across the area Friday night with rain becoming increasingly likely across all of SLO/SB Counties. And by Saturday morning or afternoon light showers should reach most of LA County except possibly the Antelope Valley.

A second impulse will follow Sat night into Sunday morning maintaining a good chance of precip most areas through the weekend.

Since the upper low is expected to stay well to the north the impacts this far south are expected to be minimal and rain amounts and rates, except for the NW SLO hills, are expected to be on the light side. Most areas will total under an inch with rates typically less than .1"/hr. LA County will see the lowest amounts, generally a half inch or less. Once again this will be a high snow level event, hovering around 8000' Sat then lowering to between 6000-7000' Sun.

LONG TERM (MON-THU). 05/144 PM.

The trough is expected to move east late Sunday and Monday with dry and warmer conditions early next week as a ridge of high pressure moves over the west coast.

The ridge will break down Wednesday as a weak trough approaches from the west. We'll likely see some clouds from it and a slight cool down but no precip.

Models now in near unanimous agreement on a very strong high pressure ridge developing over the eastern Pacific Thursday and expanding east through Saturday. This will maintain dry weather through the week and likely some warming, but nothing dramatic as gradients are only lightly offshore at most and 950mb temps stay below 20c.

AVIATION. 05/2351Z.

At 2330Z, there was no marine inversion at KLAX.

Overall, moderate confidence in 00Z TAF package. There will be varying amounts of stratocu over the district with cigs mostly VFR except wavering between MVFR and VFR N of Point Conception thru tonight. Also, there is a 50% chance of LIFR cigs at KPRB between about 17Z-21Z Fri. Generally low confidence in the timing between flight cats N of Point Conception.

KLAX . Moderate confidence in 00Z TAF. VFR cigs are expected thru the fcst period, altho there is still a 30% chance of MVFR CIGs at times later tonight into Fri. There should also be an easterly wind component less than 10 kt between about 14Z and 20Z Fri.

KBUR . Moderate confidence in 00Z TAF. VFR cigs are expected thru the fcst period, altho there is still a 30% chance of MVFR CIGs at times later tonight into Fri.

MARINE. 05/808 PM.

For the Outer Waters, moderate to high confidence in current forecast. For PZZ670 and PZZ673, high confidence in Small Craft Advisory (SCA) level southeast winds and seas developing on Friday and continuing through Saturday with a 50% chance of Gale force gusts Friday afternoon and Friday night (GALE WATCH remains in effect). For Saturday night and Sunday, there is a 50% chance of SCA level winds continuing. For PZZ676, there is a 50-60% chance of SCA level winds Friday through Saturday (especially Friday). For Saturday night and Sunday, there is a 50% chance of SCA level conditions.

For the Inner Waters north of Point Sal, moderate to high confidence in current forecast. High confidence in SCA level winds and seas developing Friday and continuing through Saturday with a 50% chance of Gale force winds on Friday (GALE WATCH will remain in effect). For Saturday through Tuesday, high confidence in conditions remaining below SCA levels.

For the Inner Waters south of Point Conception, moderate to high confidence in current forecast. Overall, high confidence in conditions generally remaining below SCA levels. The only exception will be the western half of the Santa Barbara Channel where there is a 50% chance of SCA level southeast winds Friday and Saturday.

LOX WATCHES/WARNINGS/ADVISORIES. CA . NONE. PZ . Small Craft Advisory in effect from 3 AM to 3 PM PST Friday for zone 645. (See LAXMWWLOX). Gale Watch in effect from Friday afternoon through late Friday night for zones 645-670-673. (See LAXMWWLOX). Small Craft Advisory in effect until 3 PM PST Friday for zones 670-673. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (SUN-THU).

Strong rip currents and high surf are possible at area beaches over the weekend.



PUBLIC . MW/Sirard AVIATION . Sirard MARINE . RAT SYNOPSIS . Phillips

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ICAC1 - 9410840 - Santa Monica Pier 8 mi57 min Calm G 1.9
46221 - Santa Monica Bay, CA (028) 11 mi31 min 62°F3 ft
PXAC1 13 mi57 min NW 2.9 G 4.1
BAXC1 14 mi57 min N 8 G 8
PSXC1 15 mi57 min N 1.9 G 4.1
OHBC1 - 9410660 - Los Angeles, CA 16 mi63 min 63°F1019.6 hPa
PFDC1 16 mi57 min NW 2.9 G 4.1
PFXC1 16 mi57 min NNW 2.9 G 5.1
AGXC1 17 mi57 min Calm G 1
PRJC1 18 mi57 min NW 2.9 G 4.1
46256 19 mi57 min 62°F2 ft
46222 - San Pedro, CA (092) 21 mi34 min 62°F2 ft
46253 27 mi57 min 63°F2 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 35 mi37 min S 1.9 G 3.9 60°F 62°F1019.3 hPa60°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, CA3 mi64 minN 010.00 miOvercast61°F53°F75%1018.8 hPa
Hawthorne, Hawthorne Municipal Airport, CA5 mi64 minN 04.00 miFair with Haze60°F53°F78%1019 hPa
Santa Monica, Santa Monica Municipal Airport, CA8 mi66 minN 010.00 miFair58°F48°F72%1018.9 hPa
Torrance, Zamperini Field Airport, CA9 mi2 hrsN 010.00 miMostly Cloudy55°F53°F94%1019.6 hPa
Los Angeles / USC Campus Downtown, CA11 mi65 minN 010.00 miFair60°F53°F78%1018.7 hPa
Long Beach, Long Beach Airport, CA16 mi64 minN 010.00 miFair58°F53°F84%1019.1 hPa
Burbank - Bob Hope Airport, CA20 mi64 minENE 310.00 miFair56°F48°F77%1018.3 hPa
Van Nuys, Van Nuys Airport, CA21 mi66 minNNE 410.00 miFair57°F45°F64%1018.5 hPa
Los Alamitos Army Airfield, CA22 mi59 minNW 410.00 miMostly Cloudy55°F54°F98%1019.3 hPa
Fullerton, Fullerton Municipal Airport, CA24 mi64 minNW 310.00 miFair58°F51°F78%1018.7 hPa
Los Angeles, Whiteman Airport, CA24 mi1.9 hrsN 010.00 miClear57°F46°F67%1021 hPa

Link to 5 minute data for KLAX

Wind History from LAX (wind in knots)
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Last 24hrCalmNE4NE5E4CalmE4CalmE3Calm4E5E6E5E4CalmSW5SW7SW8W7W6W3N4N4Calm
1 day agoE8E6E9E3NE9CalmCalmNW9E11E11E7E5CalmNE5NE9E7E76SW9W8W7W8SW6W5
2 days agoW6N3CalmCalm4CalmE4E3CalmNW3N3N3CalmNE3CalmCalmCalmCalmCalmE8SE5S4CalmE4

Tide / Current Tables for El Segundo, Santa Monica Bay, California
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El Segundo
Click for Map
Fri -- 01:21 AM PST     Moonset
Fri -- 05:56 AM PST     4.69 feet High Tide
Fri -- 06:44 AM PST     Sunrise
Fri -- 12:25 PM PST     1.55 feet Low Tide
Fri -- 01:47 PM PST     Moonrise
Fri -- 04:44 PM PST     Sunset
Fri -- 05:59 PM PST     3.52 feet High Tide
Fri -- 11:44 PM PST     1.28 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.21.72.43.344.54.74.53.93.22.51.91.61.61.92.433.43.53.42.92.41.81.4

Tide / Current Tables for Santa Monica, Municipal Pier, California (2)
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Santa Monica
Click for Map
Fri -- 01:21 AM PST     Moonset
Fri -- 05:46 AM PST     4.78 feet High Tide
Fri -- 06:45 AM PST     Sunrise
Fri -- 12:18 PM PST     1.61 feet Low Tide
Fri -- 01:47 PM PST     Moonrise
Fri -- 04:44 PM PST     Sunset
Fri -- 05:49 PM PST     3.57 feet High Tide
Fri -- 11:37 PM PST     1.33 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.31.92.63.54.24.74.84.53.93.22.51.91.61.722.63.13.53.63.42.92.31.81.4

Weather Map
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wmap_P
GEOS Local Image of Southwest    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Los Angeles/Oxnard, CA (0,6,7,8)
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Ground Weather Radar Station Santa Ana Mtns, CA
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