Monday, March1, 2021
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Marine Weather and Tides
Santa Monica, CA

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:20AMSunset 5:51PM Monday March 1, 2021 5:16 PM PST (01:16 UTC) Moonrise 9:47PMMoonset 9:06AM Illumination 89% Phase: Waning Gibbous; Moon at 18 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- 212 Pm Pst Mon Mar 1 2021
Tonight..W 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 12 seconds.
Tue..NE winds 10 to 15 kt, becoming se 10 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 3 ft at 15 seconds.
Tue night..W winds 5 to 10 kt, becoming se after midnight. Wind waves 2 ft or less. W swell 2 to 3 ft at 14 seconds.
Wed..SE winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 3 to 4 ft at 14 seconds. Rain likely in the afternoon.
Wed night..S winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft at 13 seconds and S 2 ft at 17 seconds. Chance of rain in the evening.
Thu..NW winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and S 2 ft.
Fri..NW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 3 to 4 ft.
PZZ600 212 Pm Pst Mon Mar 1 2021
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 21z, or 1 pm pst, a 1035 mb high pressure center was located over southern idaho and western wyoming. A 1015 mb low was 250 nm west of eureka, california. A low pressure system will move through the coastal waters on Wednesday bringing gusty southerly winds and a chance for rain and possibly a few Thunderstorms.


7 Day Forecast for Marine Location Near Santa Monica, CA
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location: 34.01, -118.52     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 020002 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 402 PM PST Mon Mar 1 2021

SYNOPSIS. 01/159 PM.

Clear skies and warm daytime temperatures expected through Tuesday. A low pressure system will bring a chance of light rain to Los Angeles and Ventura Counties on Wednesday. It will remain dry on Thursday and Friday, then there will be another chance of rain across all areas on Saturday.

SHORT TERM (TDY-THU). 01/215 PM.

Dry offshore flow to continue one more day across LA/Ventura Counties. Gradients should be similar to perhaps a little stronger but the lack of any upper support should keep winds below advisory levels and in many cases below 25 mph. Isolated stronger winds will be in remote areas in the hills and mountains. Humidities will again be 20% or less across much of that area. The dry air will lead to chilly overnight temps in areas that are protected from the winds.

Still plenty of uncertainty for the Wednesday precip event, especially north of LA County. It's a cutoff low that is dropping south about 600 nm west of the California coast. Models were in pretty good agreement this morning on the low moving inland Wednesday afternoon near Orange County with most ensembles showing at least some rain falling across LA/Ventura Counties and as far north as Santa Barbara. The 12z ECMWF ensembles were a little less enthusiastic about it and the 18z NAM dialed the precip amounts back almost in half from the 12z run, which in itself was a big increase from the earlier run. Pops were substantially increased for southern areas Wednesday afternoon and evening based on the good agreement in the 12z runs, though the latter two developments are not as encouraging. Still feel like given the location of the low it's likely most southern areas will get at least some precip but it may end up being more scattered in nature. Amounts expected to generally a quarter inch or less

Snow levels will be fairly low, generally in the 4500-5000' range. There's a lot of cold, dry air ahead of it and it's possible we could see some snow as low as 4000 feet early in the event, but amounts would not likely be enough to cause any significant issues.

Another potential issue is instability as the cold air aloft moves in during the peak heating period late in the afternoon. Although the best chances are to the south, can't rule out an isolated storm, especially from Catalina Island south towards the OC/SD county line. May need to consider adding storms there in subsequent forecast updates.

System quickly moves out before sunrise Thursday and ridging develops for sunny skies, dry weather and near normal temps.

LONG TERM (FRI-MON). 01/214 PM.

Quiet weather on Friday with light offshore flow and temps 5-10 degrees above normal. Another system hits the West Coast Saturday but most solutions favor this one dropping as far south as Santa Barbara County but leaving most of LA/Ventura Counties dry. Then dry with near normal temps Sun/Mon. Another system for late Monday into Tuesday seems to be a little stronger with more cold air and a much deeper trough but the alignment is more north/south which generally is colder and more unstable but not as wet.

AVIATION. 02/0002Z.

At 2300Z at KLAX, there was no marine layer or inversion.

High confidence in all 00z CAVU TAFs for areas S of Point Conception. Otherwise CAVU TAFS through 18z before VFR high clouds start to increase. There is a 20% chance for VLIFR/LIFR conds for KSMX between 11z-15z.

KLAX . High confidence in 00z CAVU TAF. There is a 30% chance that an east wind component will exceed 8 kt between 11z-18z Tue. Not expecting anything above 12 kt.

KBUR . High confidence in 00z CAVU TAF through the period.

MARINE. 01/1208 PM.

Gusty southeast winds around the Central Coast and Pt Conception will be short lived today, likely remaining below Small Craft Advisory (SCA) level. High confidence that winds and seas will remain below SCA level into Tuesday.

By Wednesday, a low pressure system will move through the coastal waters bringing widespread southerly winds, and a chance for rain with a slight chance for thunderstorms south of Point Conception. Lower confidence in the wind forecast with uncertainty in the track of the low pressure system. There is a chance of SCA level winds by Wednesday afternoon, especially for the waters south of Point Conception. Thursday, conditions will remain below SCA criteria, but an increasing northwest swell will likely bring hazardous SCA level high seas Friday into the weekend. Seas begin to increase again Thursday night, and reach SCA levels over the weekend along with developing gusty NW winds.

LOX WATCHES/WARNINGS/ADVISORIES. CA . NONE. PZ . NONE.

.HAZARD POTENTIAL OUTLOOK (THU-MON).

No significant hazards expected.



PUBLIC . MW AVIATION . Kaplan MARINE . Stewart/Phillips SYNOPSIS . MW

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ICAC1 - 9410840 - Santa Monica Pier 1 mi47 min W 8 G 8.9 61°F 59°F1018.8 hPa
46268 3 mi47 min 60°F 58°F1 ft
46221 - Santa Monica Bay, CA (028) 12 mi51 min 58°F2 ft
BAXC1 22 mi53 min S 8.9 G 11
PXAC1 22 mi59 min S 7 G 11
PSXC1 23 mi47 min SSW 8 G 9.9
OHBC1 - 9410660 - Los Angeles, CA 24 mi47 min 60°F1018.4 hPa
PFDC1 24 mi59 min SSW 6 G 9.9
PFXC1 24 mi47 min SW 6 G 9.9 68°F
AGXC1 25 mi53 min WSW 8 G 9.9 64°F 1016 hPa
PRJC1 26 mi47 min WSW 8.9 G 11
46256 27 mi51 min 59°F2 ft
46222 - San Pedro, CA (092) 29 mi56 min 59°F2 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 33 mi37 min SW 7.8 G 7.8 59°F 1018.3 hPa47°F
46253 35 mi51 min 59°F2 ft

Wind History for Santa Monica, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Santa Monica, Santa Monica Municipal Airport, CA4 mi26 minSW 710.00 miFair65°F15°F14%1017.9 hPa
Los Angeles, Los Angeles International Airport, CA8 mi24 minW 1010.00 miA Few Clouds63°F20°F19%1018 hPa
Hawthorne, Hawthorne Municipal Airport, CA11 mi24 minW 710.00 miFair65°F24°F21%1018 hPa
Los Angeles / USC Campus Downtown, CA13 mi25 minVar 510.00 miFair68°F12°F11%1017.5 hPa
Van Nuys, Van Nuys Airport, CA14 mi26 minSSE 810.00 miFair72°F10°F9%1016.7 hPa
Burbank - Bob Hope Airport, CA16 mi24 minSSW 710.00 miFair69°F4°F7%1016.7 hPa
Torrance, Zamperini Field Airport, CA18 mi90 minS 810.00 miClear73°F7°F7%1017.9 hPa
Los Angeles, Whiteman Airport, CA18 mi87 minSSE 710.00 miClear73°F9°F8%1019 hPa
Long Beach, Long Beach Airport, CA23 mi24 minSSW 610.00 miFair70°F1°F6%1017.5 hPa

Link to 5 minute data for KSMO

Wind History from SMO (wind in knots)
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Last 24hrSW4CalmNE4CalmCalmN3NE4N4N4E4N6NE4N3N7NE4NE4NE8NE765SW9W6SW7SW7
1 day agoN8
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NE8NE4E3NE4CalmNE4Calm3E3CalmS355SW9S10S8SW9W6W7
2 days agoSW4S5SW3CalmW4CalmCalmNE3NE4CalmCalmNE4E4N5
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Tide / Current Tables for Santa Monica, Municipal Pier, California (2)
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Santa Monica
Click for Map
Mon -- 04:22 AM PST     0.62 feet Low Tide
Mon -- 06:22 AM PST     Sunrise
Mon -- 08:05 AM PST     Moonset
Mon -- 10:22 AM PST     5.24 feet High Tide
Mon -- 04:47 PM PST     -0.09 feet Low Tide
Mon -- 05:50 PM PST     Sunset
Mon -- 08:46 PM PST     Moonrise
Mon -- 11:02 PM PST     5.02 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.23.22.11.20.70.71.42.53.74.75.25.14.43.320.90.1-0.10.41.42.63.84.75

Tide / Current Tables for El Segundo, Santa Monica Bay, California
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El Segundo
Click for Map
Mon -- 04:29 AM PST     0.60 feet Low Tide
Mon -- 06:21 AM PST     Sunrise
Mon -- 08:05 AM PST     Moonset
Mon -- 10:32 AM PST     5.13 feet High Tide
Mon -- 04:54 PM PST     -0.09 feet Low Tide
Mon -- 05:50 PM PST     Sunset
Mon -- 08:46 PM PST     Moonrise
Mon -- 11:12 PM PST     4.92 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.23.32.21.20.70.71.32.33.44.455.14.53.42.210.2-0.10.31.22.43.64.54.9

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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