Saturday, December14, 2019
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Marine Weather and Tides
Channel Islands Beach, 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 6:53AMSunset 4:49PM Saturday December 14, 2019 8:37 PM PST (04:37 UTC) Moonrise 8:29PMMoonset 10:14AM Illumination 88% 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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PZZ650 East Santa Barbara Channel From Pt. Conception To Pt. Mugu Ca Including Santa Cruz Island- 810 Pm Pst Sat Dec 14 2019
.gale warning in effect until 3 am pst Sunday...
Tonight..W to nw winds 20 to 30 kt with gusts to 35 kt, diminishing to 15 to 25 kt with gusts to 30 kt late. Combined seas 8 to 11 ft dominant period 11 seconds.
Sun..Western portion, W to nw winds 15 to 25 kt, becoming 20 to 30 kt in the afternoon. Eastern portion, W to nw winds 10 to 20 kt, becoming 15 to 25 kt in the afternoon. Combined seas 7 to 9 ft dominant period 9 seconds.
Sun night..Western portion, W to nw winds 20 to 30 kt, becoming ne 5 to 10 kt late. Eastern portion, W to nw winds 15 to 25 kt, becoming ne 10 to 15 kt late. Combined seas 6 to 8 ft dominant period 9 seconds.
Mon..Eastern portion, ne winds 10 to 20 kt with local gusts to 25 kt. Western portion, ne winds 10 to 15 kt. Wind waves 2 to 4 ft. W swell 3 to 5 ft at 13 seconds.
Mon night..Eastern portion, ne winds 15 to 25 kt. Western portion, ne winds 10 to 15 kt. Combined seas 4 to 6 ft dominant period 13 seconds.
Tue..Eastern portion, ne winds 15 to 25 kt. Western portion, ne winds 10 to 20 kt. Combined seas 3 to 5 ft at 13 seconds.
Tue night..NE winds 10 to 20 kt, becoming 5 to 10 kt after midnight. Wind waves 2 to 4 ft. W swell 2 to 4 ft at 15 seconds. Slight chance of rain.
Wed..E winds 10 to 15 kt. Wind waves 2 ft. W swell 4 to 6 ft. Chance of rain.
Thu..E winds 5 to 10 kt. Wind waves 2 ft or less. W swell 4 to 6 ft.
PZZ600 810 Pm Pst Sat Dec 14 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 1005 mb low was centered in nevada with a frontal system extending into extreme southern ca. A 1079 mb surface high was located about 800 nm west of point conception. Strong west to northwest flow across coastal waters will continue through Sun.


7 Day Forecast for Marine Location Near Channel Islands Beach, CA
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location: 34.15, -119.26     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 150430 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 830 PM PST Sat Dec 14 2019

SYNOPSIS. 14/636 PM.

Strong northerly winds will persist in the mountains today in the wake of an upper level trough passing over the area. Gusty northeasterly winds are expected Monday and Tuesday evenings. There is a slight chance of showers on Wednesday with the passage of an upper level low to our north.

SHORT TERM (SAT-TUE). 14/829 PM.

A fast moving upper level trough is moving through SW California this evening. As the system moves east overnight into Sunday, heights will gradually begin to increase over the area. This system has minimal moisture associated with it, and will mainly be a wind producer with an influx of colder temperatures. The northwest flow will continue to pile up moisture across the interior slopes where rain and snow showers will be likely at times through Sunday. Snow levels are ranging between 5000 and 6000 feet this evening, but will fall to between 3500 and 4000 feet by late tonight into Sunday morning when there will be potential impacts for Interstate 5 near the Grapevine. Winter weather advisories are in effect for the LA/Ventura county mountains through noon Sunday, with snow accumulations up to 2 inches across interior slopes along with wind gusts up to 50 mph.

This system is generating gusty northwest to north winds across the region this evening, with the strongest winds currently focused across the Santa Ynez mountains, SBA south coast, and I-5 corridor in the LA county mountains. Wind gusts in these areas will continue to increase tonight, with gusts in the 40 to 50 mph range. The northerly winds are also expected to strengthen and expand into a larger portion of LA county overnight into Sunday. In evening update, have expanded the Wind Advisory to now include the San Fernando Valley, Santa Monica mountains, and LA county coast, where wind gusts of 35 to 45 mph will be common. For the LA county coast, the winds are expected to increase after sunrise on Sunday, with the emphasis being across the west side. These gusty winds could cause downed trees and power outages.

*** From previous discussion ***

There will be some lingering clouds over the forecast area thru Sun morning then skies will become mostly sunny for the most part Sun afternoon. Offshore flow will increase Sun night and Mon with mostly clear skies expected for the most part thru Mon. For Mon night and Tue, plenty of hi clouds are expected to move into the area from the W as the upper level ridge will be dirty with hi level moisture being drawn into the area from the eastern Pac deep upper level trof.

Gradients will turn more NE and strengthen Sun night into Mon morning. The NAM forecasts the 12Z LAX-DAG gradient Mon morning to be -4.8 mb, a drop of 7.1 mb in 24 hours. There will be slight cold air advection and not a whole lot of upper level support for strong winds, but it still looks like wind prone areas of VTU/L.A. Counties may reach low-grade Advisory levels at times late Sun night into Mon morning. Offshore gradients are forecast to increase further Mon night into Tue morning, with the NAM forecast LAX-DAG gradient lowering to -8.2 mb at 12Z Tue. Advisory-level northeast winds appear likely over much of the usual wind-prone areas of VTU/L.A. Counties.

Temps are forecast to turn cooler for Sun with highs 3-8 deg below normal, then warm slightly for Mon and Tue but still remain a few degrees below normal for many areas. The warmest temps during the period are expected to be along the L.A./VTU County coastal plain Mon and Tue where highs may approach 70 degrees.

LONG TERM (WED-SAT). 14/213 PM.

The EC and GFS are not in complete agreement on the speed of the E Pac upper trof and associated frontal system Tue night and Wed, with the GFS slower than the EC. A model blend was used with a chance of rain moving into central and western SLO/SBA Counties Tue night, and a slight chance of rain and mountain snow spreading into portions of VTU/L.A. Counties on Wed. This does not look like a big rain producer mainly due to the system's fast movement and lack of organized upper level dynamics as it moves into CA.

Weak upper level ridging should move into srn CA on Thu into Fri before it moves E for Sat as a large upper level trof approaches the W coast from the E Pac. Dry weather is expected over swrn CA Thu thru sat, with varying amounts of mid and hi level clouds moving over the area thru much of the period for partly to mostly cloudy skies.

Temps are forecast to be several degrees below normal on Wed, then warm to generally near normal to slightly below normal overall Thu thru Sat. The warmest day should be Fri with highs for the warmest coast and vlys reaching the upper 60s to around 70.

AVIATION. 15/0032Z.

At 00Z, the marine layer inversion was weakening at KLAX.

Moderate confidence in the current forecast. Mostly MVFR to VFR cigs below 5000 feet across portions of the forecast area this evening, mainly south of Point Conception. Exception will be IFR to LIFR conditions across north facing mountain slopes tonight. Conditions will continue to improve overnight into Sunday for most areas except north facing mountain slopes. Gusty NW to N winds with potential turbulence will impact most TAF sites through period.

KLAX . Residual low level moisture will bring a 20 percent chance of MVFR/VFR cigs through this evening. Otherwise VFR conditions through forecast period. There is a chance of moderate wind shear and turbulence after 06z continuing through Sunday. North winds around 10 knots are likely after 06Z, with further strengthening on Sunday morning. There is the potential for northerly winds to gust between 25 and 30 knots on Sunday morning.

KBUR . SCT-BKN025-035 conditions will continue through early evening, then improving sky conditions through forecast period. There is a chance of moderate wind shear and turbulence after 04Z. There is the potential for northerly winds to gust between 25 and 30 knots on Sunday.

MARINE. 14/148 PM.

For the northern and outer Waters, moderate to high confidence in the current forecast. A GALE WARNING remains in effect through at least late tonight south of Point Sal. Local gale warning level gusts are possible north of Point Sal. With the gusty winds, short-period, hazardous seas will be likely. High seas over 10 feet will continue through late Sunday night, therefore a SMALL CRAFT ADVISORY (SCA) is not only in effect for winds, but for hazardous seas. On Tuesday and Wednesday, there is a 30-50 percent chance of SCA level east to southeast winds.

For the Inner Waters south of Point Conception, moderate to high confidence in the current forecast. A GALE WARNING remains in effect through late tonight. The strongest winds are expected across western sections. From Sunday night through Wednesday, the winds will shift to the northeast with SCA level winds likely Sunday night through Tuesday.

A large and long period west to northwest swell will impact the coastal waters through at least late Sunday night, resulting in hazardous sea conditions and large breaking waves near shore, especially with a large short period wind swell on top of that. Breaking waves at the Morro Bay and Ventura Harbor entrances will be possible.

BEACHES. 14/217 PM.

A large long-period west to northwest swell across the coastal waters of southwest California today will slowly subside over the remainder of the weekend. A HIGH SURF ADVISORY remains in effect for the Central Coast through Monday morning and through noon Sunday for the beaches south of Point Conception. The highest surf will occur across exposed west facing beaches. Strong rip currents and dangerous breaking waves are expected.

With high tides between 6 and 6.5 feet Sunday morning, minor coastal flooding is possible during the late morning high tide. Any coastal flooding impacts should be confined to the beaches, with flooding possible in the most vulnerable parking lots, bike paths, and walkways.

LOX WATCHES/WARNINGS/ADVISORIES. CA . High Surf Advisory in effect until noon PST Monday for zones 34-35. (See LAXCFWLOX). High Surf Advisory in effect until 4 AM PST Sunday for zone 39. (See LAXCFWLOX). Wind Advisory in effect until 6 PM PST Sunday for zones 39-52-88. (See LAXNPWLOX). High Surf Advisory in effect until noon PST Sunday for zones 40-41-87. (See LAXCFWLOX). Wind Advisory in effect from 6 AM to 6 PM PST Sunday for zones 41-46. (See LAXNPWLOX). Wind Advisory in effect until 10 PM PST this evening for zones 53-54. (See LAXNPWLOX). Winter Weather Advisory in effect until noon PST Sunday for zones 53-54. (See LAXWSWLOX). Wind Advisory in effect until 3 AM PST Sunday for zone 59. (See LAXNPWLOX). Wind Advisory in effect from midnight tonight to 6 PM PST Sunday for zone 547. (See LAXNPWLOX). PZ . Small Craft Advisory in effect until 3 AM PST Monday for zones 645-670. (See LAXMWWLOX). Gale Warning in effect until 3 AM PST Sunday for zones 650-655-673-676. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (TUE-SAT).

Gusty northeast winds possible across parts of LA/Ventura Counties Tuesday.



PUBLIC . Gomberg/Sirard AVIATION . Gomberg MARINE . Hall BEACHES . Hall SYNOPSIS . TF

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA 29 mi37 min WNW 25 G 31 59°F 61°F1013.2 hPa (+0.8)56°F
NTBC1 - Santa Barbara, CA - 9411340 29 mi61 min NW 6 G 12 57°F 1014 hPa
46251 31 mi37 min 60°F8 ft
46053 - E. SANTA BARBARA - 12NM Southwest of Santa Barbara, CA 32 mi37 min WNW 23 G 27 58°F 60°F1014.7 hPa (+1.7)53°F
46221 - Santa Monica Bay, CA (028) 39 mi41 min 62°F8 ft
ICAC1 - 9410840 - Santa Monica Pier 41 mi55 min Calm G 2.9 60°F 62°F1012.7 hPa

Wind History for Santa Barbara, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Oxnard, Oxnard Airport, CA5 mi46 minNW 710.00 miFair56°F48°F77%1012.7 hPa
Point Mugu, Naval Air Warfare Center, CA8 mi45 minNW 910.00 miA Few Clouds57°F50°F78%1013.1 hPa
Camarillo, Camarillo Airport, CA10 mi42 minN 010.00 miFair55°F48°F80%1013.5 hPa

Link to 5 minute data for KOXR

Wind History from OXR (wind in knots)
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Last 24hrS3E4E5CalmE3E3NE5NE7NE5CalmE4E4NE5NE5NW36W10W18
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1 day agoNE5CalmW3CalmCalmCalmE3E4NE3CalmE3E3CalmSW4W6SW64W5CalmSW5CalmE5E5NE3
2 days agoNE3CalmCalmCalmCalmE3NE5E4E3NE3NE6NE4NE5CalmCalmW6W6W6W8W7CalmCalmCalmCalm

Tide / Current Tables for Port Hueneme, California
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Port Hueneme
Click for Map
Sat -- 03:36 AM PST     2.40 feet Low Tide
Sat -- 06:54 AM PST     Sunrise
Sat -- 09:13 AM PST     Moonset
Sat -- 09:50 AM PST     6.15 feet High Tide
Sat -- 04:48 PM PST     Sunset
Sat -- 05:21 PM PST     -0.80 feet Low Tide
Sat -- 07:29 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.63.22.82.52.42.83.54.45.366.15.84.93.62.10.7-0.3-0.8-0.7-0.10.91.92.83.4

Tide / Current Tables for Ventura, California
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Ventura
Click for Map
Sat -- 03:39 AM PST     2.40 feet Low Tide
Sat -- 06:55 AM PST     Sunrise
Sat -- 09:13 AM PST     Moonset
Sat -- 09:49 AM PST     6.15 feet High Tide
Sat -- 04:48 PM PST     Sunset
Sat -- 05:24 PM PST     -0.80 feet Low Tide
Sat -- 07:29 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.63.22.82.52.42.83.54.45.366.15.84.93.62.10.8-0.2-0.8-0.7-0.10.81.92.83.5

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Los Angeles/Oxnard, CA (23,6,7,8)
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Ground Weather Radar Station Los Angeles, CA
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