Thursday, July29, 2021
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Marine Weather and Tides
La Crescenta-Montrose, CA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
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 6:00AMSunset 7:57PM Thursday July 29, 2021 1:51 PM PDT (20:51 UTC) Moonrise 11:37PMMoonset 11:39AM Illumination 70% Phase: Waning Gibbous; Moon at 20 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- 921 Am Pdt Thu Jul 29 2021
Today..NW winds 5 to 10 kt, becoming W 10 to 20 kt in the afternoon. Wind waves 1 to 3 ft. Mixed swell W 2 to 3 ft at 5 seconds and S 2 ft at 13 seconds. Patchy dense fog with vsby 1 nm or less in the morning.
Tonight..W winds 10 to 20 kt, becoming variable 10 kt or less after midnight. Wind waves 1 to 3 ft. Mixed swell W 2 to 3 ft at 6 seconds and S 2 ft at 14 seconds. Patchy fog after midnight.
Fri..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 6 seconds and S 2 ft at 14 seconds. Patchy fog in the morning.
Fri night..W winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 2 to 3 ft at 5 seconds. Patchy fog after midnight.
Sat..NW winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Wind waves 1 to 3 ft. W swell 2 to 3 ft at 5 seconds. Patchy fog in the morning.
Sat night..W winds 10 to 15 kt, becoming variable 10 kt or less after midnight. Wind waves 2 ft or less. W swell 3 ft at 7 seconds. Patchy fog after midnight.
Sun..W winds 10 to 15 kt. Wind waves 1 to 3 ft. Mixed swell W 2 to 3 ft and S 2 ft. Patchy fog.
Mon..W winds 15 to 20 kt. Combined seas 4 to 5 ft. Patchy fog.
PZZ600 921 Am Pdt Thu Jul 29 2021
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 16z, or 9 am pdt, a 1022 mb high was located 500 nm west of eureka. A 1006 mb low was centered just south of las vegas.


7 Day Forecast for Marine Location Near La Crescenta-Montrose, CA
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location: 34.26, -118.28     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 291838 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 1138 AM PDT Thu Jul 29 2021

SYNOPSIS. 29/929 AM.

A warm air mass will remain in place due to an area of high pressure aloft over the West. Some cooling is expected over the weekend as an area of low pressure brushes the area, but high pressure aloft will build back in for next week. Isolated afternoon and evening thunderstorms are possible across some mountain areas and the deserts Friday and Saturday.

SHORT TERM (TDY-SAT). 29/928 AM.

***UPDATE***

Low clouds with some fog was mainly through the Ventura County coast, parts of the Santa Barbara South Coast, then through the central coast. Stratus is retreating fairly quickly to the beaches in those areas which will leave the forecast area with sunny skies. The large upper level high is centered over the Midwest and covers much of the U.S. this morning. That leaves southeasterly to southerly flow over our area with a continued influx of monsoon moisture, although the deeper moisture remains just to our east. Made some adjustments to the forecast to remove the chances of showers and thunder in the eastern San Gabriels and nearby areas of the Antelope Valley. Despite a repeat day of building instability with afternoon heating across the mountains and AV, ensembles showing little in the way of that translating into any shower activity this afternoon and evening. Short range ensembles even showing a little drying today. Will be enough to generate afternoon cumulus possibly similar to yesterday and TRW development east of our forecast area, although not expecting more than that today. Deterministic and ensemble runs still indicating a new influx of monsoon moisture into the area tomorrow and Saturday for chances of showers and a slight chance of thunderstorms in the LA County mountains and the AV, and possibly sneaking into the Ventura Co mountains. A weak upper level low moves closer to CA on Saturday from our west which will increase our southwesterly flow aloft and bring drier air by Sunday.

LONG TERM (SUN-WED). 29/307 AM.

The ridge of high pressure should recenter into the southwest region early next week. A majority of the GEFS and ECMWF ensemble members suggest temperatures warming between Sunday and Tuesday. Operational GFS time heights sections hint at the marine layer becoming confined to the coast on Monday and Tuesday. Ensemble members also hint that the marine layer stratus may retreat in some locations across southern and central California. Onshore flow looks to weaken, but it should still remain weakly in place. Some semblance of marine intrusion could remain intact and keep some patchy low clouds and fog in place.

AVIATION. 29/1837Z.

At 1754Z, the marine layer at KLAX was 700 ft deep. The top of the inversion was near 2300 ft with a temperature of 28 degrees C.

Low clouds were widespread in coastal areas from Ventura County northward and have pushed into portions of the Santa Ynez Valley and the Ventura County Valleys. Clouds have also just pushed into immediate coastal sections of L.A. County. Conds were mostly LIFR to VLIFR. Skies should clear by mid day. Expect a similar low cloud pattern tonight. Afternoon clouds are possible in the mountains and deserts, but thunderstorms are not expected.

KLAX . Overall, moderate confidence in the 18Z TAF. There is a 20% chance that skies will remain clear tonight.

KBUR . High confidence in the 18Z TAF with VFR conds thru the pd.

MARINE. 29/922 AM.

Across the outer waters, fairly high confidence that winds and seas will remain below Small Craft Advisory (SCA) levels thru Sun in the northern zone (PZZ670), then there is a 40-50% chance of SCA level winds Mon. For the southern two zones (PZZ673/676), expect SCA level winds thru late tonight. There is a 30% chance of SCA level winds Fri afternoon/evening, then a 40-50% chance of SCA level winds Sun thru Mon.

For the inner waters north of Point Sal, winds and seas are expected to remain below SCA levels thru Sun, then on Mon, there is a 30% chance of SCA level winds in the afternoon and evening.

In the Santa Barbara Channel, expect SCA level winds across western portions this afternoon through late tonight. Otherwise SCA conds are not expected through Sun. There is a 40% chance of SCA level winds Mon, mainly across western sections.

Across the southern inner waters zones, there is a 20-30% chance of SCA winds across northern and western portions of the zone, especially near Anacapa Island, this afternoon and evening, and again Mon afternoon and evening. Otherwise, SCA conds are not expected thru Mon.

LOX WATCHES/WARNINGS/ADVISORIES. CA . NONE. PZ . Small Craft Advisory in effect from 3 PM this afternoon to 3 AM PDT Friday for zone 650. (See LAXMWWLOX). Small Craft Advisory in effect until 3 AM PDT Friday for zones 673-676. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (SAT-WED).

Monsoonal thunderstorms are possible Saturday afternoon.



PUBLIC . Jackson/Hall AVIATION . Sweet/DB MARINE . Sweet/DB SYNOPSIS . Jackson

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ICAC1 - 9410840 - Santa Monica Pier 21 mi52 min W 7 G 8 63°F 67°F1013.8 hPa (-0.8)
46268 23 mi52 min 64°F 65°F2 ft
46221 - Santa Monica Bay, CA (028) 34 mi56 min 62°F3 ft
BAXC1 34 mi58 min NW 7 G 9.9
PSXC1 34 mi52 min WNW 8 G 11
PXAC1 34 mi58 min NNW 8.9 G 12
PFDC1 36 mi64 min SSW 5.1 G 6
PFXC1 36 mi52 min SW 8 G 9.9 75°F
OHBC1 - 9410660 - Los Angeles, CA 37 mi52 min 64°F1013.1 hPa (-1.2)
PRJC1 37 mi52 min WSW 16 G 17
AGXC1 38 mi64 min WSW 13 G 18 67°F 1010.5 hPa
46256 39 mi26 min 61°F3 ft
46253 48 mi26 min 66°F3 ft

Wind History for Santa Monica, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Burbank - Bob Hope Airport, CA6 mi59 minS 810.00 miFair89°F56°F33%1010.6 hPa
Los Angeles, Whiteman Airport, CA7 mi1.9 hrsE 410.00 miClear91°F52°F26%1014.2 hPa
Van Nuys, Van Nuys Airport, CA12 mi61 minSE 910.00 miFair95°F56°F27%1010.8 hPa
Los Angeles / USC Campus Downtown, CA17 mi60 minN 010.00 miFair80°F61°F52%1011.9 hPa
El Monte, CA18 mi2.1 hrsSSW 610.00 miFair86°F55°F35%1012.9 hPa
Santa Monica, Santa Monica Municipal Airport, CA18 mi61 minWSW 510.00 miFair71°F60°F68%1012.8 hPa
Hawthorne, Hawthorne Municipal Airport, CA23 mi59 minWSW 1210.00 miFair73°F59°F62%1012.9 hPa
Los Angeles, Los Angeles International Airport, CA23 mi59 minWSW 128.00 miPartly Cloudy68°F60°F76%1012.9 hPa

Link to 5 minute data for KBUR

Wind History from BUR (wind in knots)
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Last 24hrS9S9S9S8S6SE8SE74SE6SE4SE7E5E4CalmCalmCalmCalmCalmCalmCalmS4SE53S8
1 day agoS7S8S7S7SE9S8SE9SE10SE6SE5E4CalmSE3CalmCalmE3S4CalmCalmSW33E3S5S9
2 days agoS4S8S7S8S8S8S76SE5CalmS4CalmCalmS3SE3S3S3S4SE3SE4SE5SE7SE7S5

Tide / Current Tables for Santa Monica, California
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Santa Monica
Click for Map
Thu -- 01:09 AM PDT     4.40 feet High Tide
Thu -- 06:03 AM PDT     Sunrise
Thu -- 07:49 AM PDT     0.90 feet Low Tide
Thu -- 11:40 AM PDT     Moonset
Thu -- 02:36 PM PDT     4.49 feet High Tide
Thu -- 07:56 PM PDT     Sunset
Thu -- 08:44 PM PDT     2.24 feet Low Tide
Thu -- 11:37 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.24.44.33.83.12.31.510.91.21.82.63.444.44.54.23.73.12.62.32.22.42.8

Tide / Current Tables for Santa Monica, Municipal Pier, California
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Santa Monica
Click for Map
Thu -- 01:10 AM PDT     4.40 feet High Tide
Thu -- 06:03 AM PDT     Sunrise
Thu -- 07:53 AM PDT     0.92 feet Low Tide
Thu -- 11:40 AM PDT     Moonset
Thu -- 02:40 PM PDT     4.49 feet High Tide
Thu -- 07:56 PM PDT     Sunset
Thu -- 08:52 PM PDT     2.25 feet Low Tide
Thu -- 11:37 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.24.44.33.83.12.31.61.10.91.21.72.53.344.44.54.23.73.22.72.32.32.42.8

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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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