Saturday, July4, 2020
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Marine Weather and Tides
Isla Vista, CA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 5:50AMSunset 8:17PM Friday July 3, 2020 9:45 PM PDT (04:45 UTC) Moonrise 7:12PMMoonset 4:22AM Illumination 98% Phase: Waxing Gibbous; Moon at 13 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- 819 Pm Pdt Fri Jul 3 2020
Tonight..W winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 2 ft at 7 seconds.
Sat..Winds variable 10 kt or less, becoming sw 10 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 3 ft at 7 seconds.
Sat night..SW winds 5 to 10 kt. Wind waves 2 ft or less. W swell 3 to 4 ft at 6 seconds.
Sun..Winds variable 10 kt or less, becoming sw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 3 to 5 ft at 7 seconds.
Sun night..W winds 15 to 20 kt with gusts to 25 kt, becoming nw 10 to 15 kt after midnight. Wind waves 2 to 4 ft. W swell 3 to 5 ft at 7 seconds. Patchy fog after midnight.
Mon..NW winds 10 to 15 kt, becoming W 15 to 20 kt with gusts to 25 kt in the afternoon. Wind waves 2 to 4 ft. W swell 4 to 6 ft at 7 seconds. Patchy fog in the morning.
Mon night..Western portion, W winds 20 to 25 kt becoming nw 15 to 20 kt after midnight. Eastern portion, W winds 10 to 15 kt becoming nw 5 to 10 kt after midnight. Combined seas 5 to 7 ft dominant period 7 seconds. Patchy fog after midnight.
Tue..NW winds 15 to 25 kt with gusts to 30 kt. Combined seas 4 to 6 ft.
Wed..W winds 15 to 20 kt with gusts to 25 kt. Combined seas 3 to 5 ft.
PZZ600 819 Pm Pdt Fri Jul 3 2020
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 03z, or 8 pm pdt, a 1028 mb high was located in the gulf of alaska and a 1010 mb thermal low was over nevada. The high will build toward the west coast, causing increasing nw winds across the coastal waters over the weekend, along with building steep seas.


7 Day Forecast for Marine Location Near Isla Vista, CA
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location: 34.4, -119.85     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 040249 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 749 PM PDT Fri Jul 3 2020

SYNOPSIS. 03/511 PM.

A warming trend will continue through the weekend as high pressure builds aloft. Significant warming is expected inland, with highs 3-8 degrees above normal through Monday. Marine layer clouds will affect some beaches south of Santa Barbara through Monday, with gusty Sundowner winds Sunday evening into early Monday. A cooling trend is expected by mid week, with more widespread low clouds for the coast and valleys.

SHORT TERM (FRI-MON). 03/741 PM.

***UPDATE***

Only minor changes in the weather this evening compared to 24 hours ago. Gusty onshore winds are slightly weaker thanks to weakening onshore pressure gradients, with peak gusts up to 38 mph in the Antelope Valley. The low cloud pattern is also similar, with a stratus deck pushed way offshore, except along the Central Coast between Arroyo Grande and Point Arguello, extending a few miles onshore. Low clouds tonight are expected to be limited to coastal areas, with a better chance of fog and perhaps locally dense fog. Some areas may not see low clouds, including the SBA South Coast and likely the Ventura Coast.

An upper ridge centered southeast of the area will continue to build over the area from that direction, helping to decrease the onshore trends, and suppressing the marine layer. Expect areas away from the coast to see a warming and drying trend through Monday.

***From Previous Discussion***

Upper level ridging is forecast to build over the region through Sun, with H5 heights increasing to 590-591 dm over the weekend. The ridge will remain over the area into Mon but weaken very slightly with H5 heights lowering to around 589 dm.

The upper level ridging will help to continue lowering the marine inversion thanks to heating in the boundary layer. The inversion depth should lower further to surface-based N of Point Conception and to around 700 ft or less S of Point Conception tonight through Sun, with little change expected into Mon. Low clouds and fog should affect parts of the Central Coast and mainly coastal areas of VTU/L.A. Counties tonight into Sat morning, and just the VTU/L.A. County coast and partially into the San Gabriel Vly Sat night into Sun morning. There should be a slight expansion of the low clouds Sun night into Mon morning and should affect the SBA County Central Coast, the VTU/L.A. County coast, and lower parts of the San Gabriel Vly. Otherwise, mostly clear skies expected.

Afternoon W-E onshore pressure gradients (LAX-DAG) will weaken slightly Sat to around 7.6 mb according to the NAM, with little change on Sun, and a slight increase to +8.1 mb Mon. There should also be offshore gradients for SMX-BFL by early Sat then continue into Sun. Breezy to locally gusty SW-NW afternoon and early evening winds will continue thru Mon for the coast, vlys and foothills. Stronger W-NW winds are expected in the mtns and deserts at times Sat night into Sun night. Night and morning offshore flow at lower levels is forecast as well by the NAM from later tonight into Mon morning over SLO/SBA Counties and interior VTU County. Locally gusty sub-advisory N canyon winds will be possible for the SBA S coast and mtns mainly W of Goleta Sat evening and Sun evening.

With 950 mb and boundary layer temps warming up quite a bit over the next couple of days, there will be significant warming away from the coast. Temps are forecast to be about 3-8 deg degrees above seasonal norms for many areas Sat and Sun, and about 2-6 deg above normal on Mon. Highs in the warmest vlys and lower mtns should be in the 90s to around 102 Sat and Sun, and mostly in the 90s on Mon. The hottest temps over the weekend will be in the SLO/SBA County interior vlys and Antelope vly.

LONG TERM (TUE-FRI). 03/135 PM.

The EC and GFS are in generally good agreement for the extended period. Upper level troffiness will move back into the region for Tue and Wed, with H5 heights lowering to 586-589 dm or so. Generally flat upper level ridging can be expected Thu and Fri, with H5 heights increasing to around 590-592 dm by Fri, altho the EC was more bullish with the ridging Fri (H5 heights up to 596 dm). The EC would be the warmer solution for Fri but for now went with a blend of the EC and GFS.

The marine inversion should remain rather shallow Tue, then increase to probably 1500-2000 ft deep Wed before lowering again Thu and Fri. Night and morning low clouds and fog should affect parts of the Central coast, the coast of VTU/L.A. Counties and lower portions of the San Gabriel Vly Mon night into Tue and again Wed night into Fri. More extensive low clouds and fog are expected Tue night into Wed and should affect the coast and many of the vlys. Otherwise, mostly clear skies will continue.

Temps are expected to be near normal to slightly below normal Tue thru Thu, then warm to slightly above normal Fri. Highs in the warmest vlys and lower mtns should reach the 80s to lower 90s Tue thru Thu, and in the 90s on Fri except near 100 in the Antelope Vly.

AVIATION. 04/0007Z.

At 2300Z at KLAX . The inversion was 1200 feet deep. The top of the inversion was around 1600 feet with a temperature of 26 degrees Celsius.

Overall . Low confidence in coastal TAFs and high confidence for the valleys and desert. IFR/LIFR conditions may return to coastal sites, south of KSBP, but there is a 40% chance that any site may remain clear. Otherwise, late onset is expected of any cigs that do occur, but with low certainty in timing. High confidence in VFR conditions for the valleys and deserts, with gusty SW winds for KPMD and KWJF.

KLAX . Low to moderate confidence in the 00Z TAF. IFR conditions may return from 08Z to 17Z, but there is a 40% chance the cigs are periodic or that conditions remain VFR. There will not be any east winds greater than 8 kts.

KBUR . High confidence in the 00Z TAF with VFR conditions through the period.

MARINE. 03/744 PM.

Across the outer waters . Winds will increase to Small Craft Advisory (SCA) level this afternoon in the northern outer waters, then the winds will increase across all of the outer waters Saturday afternoon and will likely reach gale level Saturday night. Winds will diminish to SCA level Monday morning and will remain SCA level through at least Wednesday.

Across the nearshore waters of the Central Coast . There is a forty percent chance of winds increasing to SCA level Saturday afternoon and a seventy percent chance on Sunday afternoon. The winds will then likely continue at advisory level through at least Wednesday, primarily during the afternoon and evening hours.

Across the inner waters south of Point Conception . From Point Conception to Point Mugu, winds will likely increase to SCA level during the afternoon and evening hours of Sunday through Wednesday. Otherwise and elsewhere, conditions will remain below SCA level.

Patchy fog, locally dense with visibility under one mile, will continue through the week. The poorest visibility and most widely spread conditions will occur in the overnight and morning hours.

A long period south swell will affect the area into early next week, creating large waves nearshore and hazards to drifting boaters.

BEACHES. 03/125 PM.

Strong rip currents along with elevated surf will arrive this afternoon through early Monday at Southern California beaches. A long-period south swell will peak tonight into Saturday night at 3 to 4 feet with periods of 16 to 18 seconds. This will bring elevated surf to south facing beaches. Surf of 4 to 6 feet with local sets to 7 feet will arrive across Los Angeles and Ventura Counties, and 6 to 9 feet on the Central Coast. The Santa Barbara South Coast will see minimal impacts from this swell due to blockage from the Channel Islands, but local sets to 5 feet and hazardous rip currents are possible near Rincon Point.

The peak of the event will occur on Saturday, and waves up to 8 feet are possible for the most exposed beaches like Zuma Beach, so there is a small chance of a High Surf Advisory but that kind of surf should be localized.

Pay attention to beach closures this weekend. In addition to large surf and strong rip currents, dangerous breaking waves from long period waves have a history of causing ocean rescues and drownings. Stay off the rocks and jetties near the water.

LOX WATCHES/WARNINGS/ADVISORIES. CA . Beach Hazards Statement in effect through Monday morning for zones 34-35-40-41-87. (See LAXCFWLOX). PZ . Small Craft Advisory in effect until 9 PM PDT Saturday for zone 670. (See LAXMWWLOX). Gale Watch in effect from Saturday evening through late Sunday night for zones 670-673. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (MON-FRI).

Gusty winds are likely Monday over the Antelope Valley and southern Santa Barbara County which may lead to hazardous driving conditions. Elevated surf will affect south facing beaches into Monday morning. Large high tides may result in tidal overflow in vulnerable low lying areas. Strong rip currents are likely Sunday night and Monday.



PUBLIC . Sirard/Smith AVIATION . Smith MARINE . Kj/Smith BEACHES . Kittell/Smith/Kj SYNOPSIS . Smith

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NTBC1 - Santa Barbara, CA - 9411340 8 mi69 min SW 5.1 G 6 62°F 1014.8 hPa
46053 - E. SANTA BARBARA - 12NM Southwest of Santa Barbara, CA 12 mi25 min WSW 9.7 G 12 62°F 64°F1015.2 hPa60°F
46054 - SANTA BARBARA W 38 NM West of Santa Barbara, CA 35 mi35 min WNW 18 G 21 57°F 60°F1014.9 hPa55°F
HRVC1 44 mi51 min 56°F 1016 hPa
PTGC1 - Point Arguello, CA 44 mi45 min N 25 G 26 55°F 1015 hPa (-0.8)
46251 47 mi49 min 69°F4 ft

Wind History for Santa Barbara, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Santa Barbara, Santa Barbara Municipal Airport, CA3 mi52 minN 010.00 miFair63°F55°F76%1014.4 hPa
Santa Ynez, Santa Ynez Airport, CA19 mi70 minWSW 410.00 miFair63°F53°F73%1015.9 hPa

Link to 5 minute data for KSBA

Wind History from SBA (wind in knots)
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Last 24hrCalmCalmNE3CalmCalmCalmCalmCalmCalmN3Calm3SW7SW7SW7SW8SW9W10W13W11W8W6W5Calm
1 day agoW6W3CalmCalmN3CalmCalmE5SE4CalmCalmCalmSE3SE5S6SE8SW8W8SW11SW9W10W11W8W6
2 days agoE6E5E10E10SE5S6S4SE4NE3N4NE4E75SE7SE7S6SE54W7W9W9W8W8W7

Tide / Current Tables for Santa Barbara, California (2)
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Santa Barbara
Click for Map
Sat -- 04:18 AM PDT     -1.21 feet Low Tide
Sat -- 05:14 AM PDT     Moonset
Sat -- 05:51 AM PDT     Sunrise
Sat -- 10:51 AM PDT     3.85 feet High Tide
Sat -- 03:24 PM PDT     2.10 feet Low Tide
Sat -- 08:12 PM PDT     Moonrise
Sat -- 08:14 PM PDT     Sunset
Sat -- 09:41 PM PDT     6.56 feet High Tide
Sat -- 09:44 PM PDT     Full Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.82.10.5-0.6-1.2-1.1-0.30.8233.73.83.632.52.12.22.73.64.75.76.46.56

Tide / Current Tables for Santa Barbara, California
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Santa Barbara
Click for Map
Sat -- 04:18 AM PDT     -1.29 feet Low Tide
Sat -- 05:14 AM PDT     Moonset
Sat -- 05:51 AM PDT     Sunrise
Sat -- 10:54 AM PDT     3.73 feet High Tide
Sat -- 03:15 PM PDT     2.25 feet Low Tide
Sat -- 08:12 PM PDT     Moonrise
Sat -- 08:14 PM PDT     Sunset
Sat -- 09:36 PM PDT     6.60 feet High Tide
Sat -- 09:44 PM PDT     Full Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.720.5-0.7-1.3-1.1-0.40.71.92.93.53.73.532.52.32.42.93.84.95.96.56.66

Weather Map
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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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Wind Forecast for Los Angeles/Oxnard, CA (0,6,7,8)
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Ground Weather Radar Station Los Angeles, CA
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.