Simi Valley, CA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Simi Valley, CA

April 17, 2024 2:38 PM PDT (21:38 UTC) Change Location
Sunrise 6:18 AM   Sunset 7:30 PM
Moonrise 1:59 PM   Moonset 3:30 AM 
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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.

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Marine Forecasts
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PZZ655 Inner Waters From Point Mugu To San Mateo Pt. Ca Including Santa Catalina And Anacapa Islands- 850 Am Pdt Wed Apr 17 2024

Today - SE winds 5 to 10 kt, becoming sw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 ft at 10 seconds and S 3 ft at 17 seconds. Areas of dense fog with vsby 1 nm or less.

Tonight - W winds 10 to 15 kt in the evening, becoming se 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 10 seconds and S 3 ft at 16 seconds. Patchy fog.

Thu - SE winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 9 seconds and S 3 ft at 15 seconds. Patchy fog in the morning.

Thu night - W winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 9 seconds and S 3 ft at 15 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 7 seconds and S 3 ft at 14 seconds. Patchy fog in the morning.

Fri night - W winds 10 to 15 kt in the evening, becoming 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft at 7 seconds and S 3 ft at 14 seconds. Patchy fog after midnight.

Sat - W winds 5 to 10 kt early, becoming 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 to 4 ft and S 3 ft.

Sun - W winds 10 to 15 kt. Wind waves 2 ft. Mixed swell W 3 to 5 ft and S 3 ft.

PZZ600 850 Am Pdt Wed Apr 17 2024
synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park - .at 15z, or 8 am pdt, a 1036 mb high was over vancouver island while a 1002 mb low was over utah.


7 Day Forecast for Marine Location Near Simi Valley, CA
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Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 172107 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 207 PM PDT Wed Apr 17 2024

SYNOPSIS
17/117 PM.

Dry but cooler weather with increasing low clouds and fog during the nights and morning is expected through Friday as a weak low pressure system moves into the area. A warming trend is expected for the weekend before cooler temperatures return next week.

.SHORT TERM (TDY-SAT)...17/144 PM.

A relatively quiet period of weather coming up over the next several days. A weak trough is approaching the West Coast with a ton of high clouds. Otherwise the main impact will be increasing onshore flow and marine layer stratus (as those near the coast south of Pt Conception today can attest to) and cooler temperatures through Friday. Forecast soundings only indicate minor deepening of the marine inversion tonight so there will still be areas of dense fog near the coast and just very little if any valley fog intrusion expected. The cooler onshore flow mainly just reached the coastal areas but by tomorrow and Friday cooling will reach all the way into the interior with highs topping out in the mid to upper 70s versus the 80s today.

The cooling trend will reverse over the weekend with a brief but effective ridge over California this weekend. Temperatures should bounce back to the 80s inland with a 10-20% chance of an isolated 90 or two in the warmest valleys Sunday.

.LONG TERM (SUN-WED)...17/207 PM.

The weekend ridge will be short lived as the next weak trough is expected to hit the West Coast late Monday and likely remain in place through the week. This will generate significant cooling across the area with a likely return of a deep marine layer by mid to late week. Ensembles have been hinting at some precipitation chances as well, though those were likely associated with a small percentage of solutions that showed the upper low cutting off and dropping much farther south along the coast. A majority favor an open wave solution with the upper low over Oregon and extreme northern California. There are some deeper trough solutions later in the week and into next weekend that could squeeze out some light precip by next weekend, probably more in the form of deep marine layer drizzle. In any case, it looks like a long duration of well below normal temperatures across the area starting next week.

AVIATION
17/1751Z.

At 18Z, the marine layer at KLAX was about 500 ft deep. The top of the inversion was at 1800 ft with a temp of 20 deg C.

VFR conds are expected in all areas thru this evening, with just some high clouds. Widespread low clouds are expected in all coastal areas tonight, with IFR to LIFR conds, and local VLIFR conds on the Central Coast. There is a 20% chance that LIFR conds will spread into the valleys late tonight.

KLAX...Moderate confidence in the 18Z TAF. There is a 20% chance that cigs tonight will be in the MVFR category and a 20% chance that cigs will not arrive until as late as 12Z. Any east wind component should remain less than 6 knots.

KBUR...High confidence in the 12Z TAF with VFR conds thru the pd.
There is a 20% chance of LIFR cigs after 11Z Thu.

MARINE
17/900 AM.

A very shallow marine layer will continue to bring dense fog to most waters south of Point Conception this morning, and could linger through the afternoon or evening. Improved but still reduced visibility is expected by Thursday.

There is a 60 percent chance of Small Craft Advisory conditions for the offshore waters off the Central Coast this afternoon and evening. Otherwise, high confidence in generally light winds through Friday. Southeast winds around 10 knots are expected each morning from the Santa Barbara Channel to Orange County, with some local enhancements through the Anacapa Passage and San Pedro Channel.

Northwest winds will be increasing over the weekend.

LOX WATCHES/WARNINGS/ADVISORIES
CA...NONE.
PZ...Small Craft Advisory in effect until 3 AM PDT Thursday for zone 670. (See LAXMWWLOX).




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
46268 21 mi69 min 61°F2 ft
ICAC1 - 9410840 - Santa Monica Pier 24 mi51 min 55°F 60°F30.01
46221 - Santa Monica Bay, CA (028) 30 mi43 min 59°F4 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 38 mi39 min SSW 5.8G7.8 55°F 59°F30.0353°F
PXAC1 45 mi63 min SSE 2.9G7
BAXC1 46 mi57 min SSE 2.9G6
PSXC1 46 mi51 min S 5.1G8
PFDC1 47 mi63 min S 7G8.9
AGXC1 48 mi57 min SW 12G13 56°F
NTBC1 - Santa Barbara, CA - 9411340 48 mi63 min E 5.1G7 55°F 30.01
PFXC1 48 mi51 min SW 11G12 63°F 29.98
PRJC1 49 mi51 min WSW 13G14


Wind History for Los Angeles Berth 161,
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KCMA CAMARILLO,CA 16 sm43 minSSW 0810 smClear66°F55°F68%29.99
KVNY VAN NUYS,CA 17 sm47 minSE 08G1410 smClear79°F48°F34%29.96
KNTD POINT MUGU NAS (NAVAL BASE VENTURA CO),CA 20 sm11 minSSW 128 smMostly Cloudy63°F55°F77%30.00
KWHP WHITEMAN,CA 21 sm43 minESE 1010 smClear79°F41°F26%29.99
KOXR OXNARD,CA 22 sm47 minSSW 0510 smA Few Clouds61°F54°F77%30.00
KBUR BOB HOPE,CA 24 sm45 minSSE 0910 smClear79°F46°F32%29.98
Link to 5 minute data for KCMA


Wind History from CMA
(wind in knots)
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Tide / Current for Mugu Lagoon (ocean pier), California
   
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Mugu Lagoon (ocean pier)
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Wed -- 12:35 AM PDT     2.42 feet Low Tide
Wed -- 03:30 AM PDT     Moonset
Wed -- 05:53 AM PDT     4.08 feet High Tide
Wed -- 06:22 AM PDT     Sunrise
Wed -- 01:05 PM PDT     0.02 feet Low Tide
Wed -- 02:00 PM PDT     Moonrise
Wed -- 07:29 PM PDT     Sunset
Wed -- 07:46 PM PDT     3.97 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Mugu Lagoon (ocean pier), California, Tide feet
12
am
2.5
1
am
2.4
2
am
2.7
3
am
3.1
4
am
3.6
5
am
4
6
am
4.1
7
am
3.9
8
am
3.4
9
am
2.6
10
am
1.7
11
am
0.9
12
pm
0.3
1
pm
0
2
pm
0.2
3
pm
0.8
4
pm
1.6
5
pm
2.6
6
pm
3.4
7
pm
3.8
8
pm
4
9
pm
3.7
10
pm
3.2
11
pm
2.7



Tide / Current for Port Hueneme, California
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Port Hueneme
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Wed -- 12:37 AM PDT     2.53 feet Low Tide
Wed -- 03:30 AM PDT     Moonset
Wed -- 06:00 AM PDT     4.15 feet High Tide
Wed -- 06:22 AM PDT     Sunrise
Wed -- 01:07 PM PDT     0.02 feet Low Tide
Wed -- 02:00 PM PDT     Moonrise
Wed -- 07:30 PM PDT     Sunset
Wed -- 07:53 PM PDT     4.03 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Port Hueneme, California, Tide feet
12
am
2.6
1
am
2.5
2
am
2.8
3
am
3.1
4
am
3.6
5
am
4
6
am
4.2
7
am
4
8
am
3.5
9
am
2.7
10
am
1.8
11
am
0.9
12
pm
0.3
1
pm
0
2
pm
0.2
3
pm
0.8
4
pm
1.6
5
pm
2.5
6
pm
3.3
7
pm
3.9
8
pm
4
9
pm
3.8
10
pm
3.4
11
pm
2.8




Weather Map
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Los Angeles, CA,



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