Friday, September18, 2020
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Marine Weather and Tides
Goleta, CA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 6:43AMSunset 7:02PM Friday September 18, 2020 7:24 PM PDT (02:24 UTC) Moonrise 7:04AMMoonset 7:17PM Illumination 3% Phase: Waxing Crescent; Moon at 2 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- 216 Pm Pdt Fri Sep 18 2020
.small craft advisory in effect from 7 pm pdt this evening through late Saturday night...
Tonight..Western portion, W winds 20 to 30 kt becoming nw 20 to 25 kt after midnight. Eastern portion, W winds 10 to 15 kt. Combined seas 4 to 6 ft dominant period 8 seconds.
Sat..W winds 15 to 25 kt. Combined seas 3 to 5 ft dominant period 8 seconds.
Sat night..Western portion, W winds 20 to 25 kt becoming 10 to 20 kt with gusts to 25 kt after midnight. Eastern portion, W winds 10 to 15 kt. Combined seas 3 to 5 ft dominant period 8 seconds. Patchy dense fog with vsby 1 nm or less after midnight.
Sun..N winds 5 to 10 kt, becoming W in the afternoon. Wind waves 2 ft or less. W swell 2 to 3 ft at 8 seconds. Patchy dense fog with vsby 1 nm or less in the morning.
Sun night..W winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 2 to 3 ft at 8 seconds. Patchy fog after midnight.
Mon..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 8 seconds. Patchy fog in the morning.
Mon night..NW winds 5 to 10 kt. Wind waves 2 ft or less. NW swell 2 to 3 ft at 8 seconds. Patchy fog after midnight.
Tue..NW winds 10 to 15 kt. Wind waves 2 ft or less. NW swell 2 to 3 ft. Patchy fog.
Wed..NW winds 10 to 15 kt. Wind waves 1 to 3 ft. W swell 2 to 3 ft.
PZZ600 216 Pm Pdt Fri Sep 18 2020
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 21z, or 2 pm pdt, a 1020 mb high pressure center was located about 700 nm west of eureka ca and a 1009 mb thermal low was located over the california-arizona border. Patchy fog will continue into next week across the coastal waters. The poorest visibility and most widely spread conditions will occur in the overnight and morning hours.


7 Day Forecast for Marine Location Near Goleta, CA
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location: 34.47, -120     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 182344 AAA AFDLOX

Area Forecast Discussion . UPDATED National Weather Service Los Angeles/Oxnard CA 444 PM PDT Fri Sep 18 2020

updated aviation discussion

SYNOPSIS. 18/1255 PM.

Strengthening onshore flow beneath broad troughing over the West Coast will bring a cooling trend through Monday. Night through morning low clouds and fog will expand into most coastal and lower valley areas by Monday. Gusty northerly winds are expected across southern Santa Barbara County through Saturday morning. A warming trend is possible for the latter half of next week as ridging aloft settles into the region.

SHORT TERM (TDY-MON). 18/141 PM.

Southwest flow aloft continues over the region this afternoon ahead of broad troughing over the West Coast. Onshore flow continues to strengthen this afternoon. A cooling trend will continue through the weekend and into Monday along with a deepening marine layer. The latest AMDAR soundings from KLAX indicate a marine layer depth closer to 600 feet deep. The marine layer depth should deepen to near 1000 feet deep by Saturday morning, possibly thinning slightly for Sunday morning, then deepening again on Monday. Middle and high level cloudiness from what used to be tropical storm Karina will continue to thin out across the region tonight which should allow for better stratus formation.

With the trough moving over the region, the smoke that has been in place the last couple of weeks will clear out over a majority of the area. Increasing southwest flow in the boundary layer will increase transport winds and the trough should enhance mixing. The smoky skies should continue to improve across the area, except for portions of Los Angeles County where the Bobcat Fire is still actively burning at this time.

A dying boundary north of the region will move south and tighten the northerly pressure gradient through Sunday. Marginally gusty Sundowner winds are already occurring this afternoon and will increase across southern Santa Barbara County later and linger into Saturday morning. A wind advisory remains in effect from 4 pm PDT this afternoon through 9 am PDT Saturday morning. Gusts up to 45 mph are possible, especially west of Goleta out toward the Gaviota area. If traveling across this area, gusty cross winds are possible on Highways 101 and 154 this afternoon and tonight. If planning any outdoor recreational activities this afternoon and evening, such as kayaking out near Gaviota and Refugio, it might be best to delay these activities when these winds may not present hazardous weather and/or sea conditions.

A tricky cloud forecast is on tap for tonight. Cold air advection could make for little marine layer induced stratus south of Point Conception. The previous forecast was scaled back for a later arrival. Little, if any stratus should make into the Ventura County Coast or the Santa Barbara South Coast. Better confidence exists for the Central Coast and the Santa Ynez Valley. Night through morning low clouds and fog should start to expand into Saturday night and Sunday as the eddy circulation should allow for better coverage.

Zonal flow should setup for Sunday between troughs as the trough along the southern Oregon coast lifts out and another trough dips in behind it. The marine influence should continue to win out for the coast and lower valley, keeping a cooling trend going. Less confidence for the mountains and desert as these areas could end warming.

LONG TERM (TUE-FRI). 18/138 PM.

The influence of the trough should linger into Tuesday and keep cooler temperatures in place. The deepest marine layer of the week should be in place between Monday and Tuesday, then ridging aloft should start to build into the region and thin the marine layer. A warming trend will develop for the latter half of the week. By Thursday or Friday, stratus coverage could be minimal as weak offshore flow develops. For the current time, no gusty offshore winds are expected, but this will need to be monitored closely for development.

AVIATION. 18/2343Z.

At 2330Z at KLAX . The inversion was about 500 feet deep. The top of the inversion was around 2500 feet with a temperature of about 28 degrees C.

Moderate confidence in the 00Z TAFs for KPRB, KSBP, KSMX and KLGB due to uncertainties with regard to the timing and extent of low clouds and LIFR/IFR conditions at these airfields from this evening along the Central Coast to late tonight into Sat morning elsewhere. The timing of the onset and dissipation of the low clouds may be off +/- an hour or two. There is also a 20%-30% chance of no low clouds and fog development at KPRB and KLGB.

Otherwise and elsewhere, there is hi confidence in VFR conditions thru Sat afternoon.

KLAX . Generally hi confidence in the 00Z TAF with VFR conditions expected thru Sat evening. However, there is still a 10%-20% chance of low clouds and LIFR conditions late tonight and early Sat.

KBUR . Hi confidence in the 00Z TAF with VFR conditions expected through Sat afternoon.

MARINE. 18/131 PM.

Across the outer waters . Small Craft Advisory (SCA) level wind will continue through Saturday night and there is a forty percent chance of it continuing through Sunday night. The strongest winds will be in the afternoon and evening hours. Otherwise, conditions will remain below SCA level through the forecast period.

Across the nearshore waters of the Central Coast . There is a forty percent chance of SCA level wind during the afternoon and evening hours through Saturday night. Otherwise, conditions will remain below SCA level through the forecast period.

Across the inner waters south of Point Conception . SCA level wind will continue across the western portion of the Santa Barbara Channel through Saturday night. Otherwise and elsewhere, conditions will remain below SCA level through the forecast period.

Patchy fog will continue into next week across the coastal waters. The poorest visibility and most widely spread conditions will occur in the overnight and morning hours.

LOX WATCHES/WARNINGS/ADVISORIES. CA . Wind Advisory in effect until 9 AM PDT Saturday for zones 39-52. (See LAXNPWLOX). PZ . Small Craft Advisory in effect until 3 AM PDT Sunday for zones 650-670-673-676. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (MON-FRI).

No significant hazards expected.



PUBLIC . Hall AVIATION . Sirard MARINE . Kj SYNOPSIS . Hall

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NTBC1 - Santa Barbara, CA - 9411340 17 mi49 min E 1 G 1.9 72°F 1010.2 hPa
46053 - E. SANTA BARBARA - 12NM Southwest of Santa Barbara, CA 18 mi35 min W 19 G 23 69°F 65°F4 ft1010.4 hPa61°F
46054 - SANTA BARBARA W 38 NM West of Santa Barbara, CA 29 mi35 min NW 21 G 25 5 ft1012.4 hPa
PTGC1 - Point Arguello, CA 35 mi85 min N 21 G 24 63°F 1013.1 hPa (+0.0)
HRVC1 36 mi61 min 62°F 1013.9 hPa
46218 - Harvest, CA (071) 42 mi29 min 62°F5 ft

Wind History for Santa Barbara, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Santa Ynez, Santa Ynez Airport, CA10 mi30 minW 910.00 miFair68°F53°F60%1013.5 hPa

Link to 5 minute data for KSBA

Wind History from SBA (wind in knots)
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Last 24hrCalmNE4CalmCalmCalmCalmCalmNE3NE3SE4SE4S6SW4SW75W5SW6SW4W5W5CalmCalmCalmCalm
1 day agoCalmNE5NE6E5NE6NE6NE6NE6E5E6SE6SE8S45SW7SW7W8SW7W6W4SW3CalmCalmNE3
2 days agoCalmCalmNE4NE4E5E3NE3CalmCalmCalmS4SE4SW5W7W5SW4SW7SW6W4W4CalmCalmNE3NE4

Tide / Current Tables for Gaviota, California
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Gaviota
Click for Map
Fri -- 04:59 AM PDT     -0.14 feet Low Tide
Fri -- 06:46 AM PDT     Sunrise
Fri -- 08:05 AM PDT     Moonrise
Fri -- 11:14 AM PDT     5.59 feet High Tide
Fri -- 05:18 PM PDT     0.31 feet Low Tide
Fri -- 07:02 PM PDT     Sunset
Fri -- 08:17 PM PDT     Moonset
Fri -- 11:28 PM PDT     5.58 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.44.22.71.20.2-0.10.21.22.645.15.65.44.63.320.90.30.51.22.43.84.95.5

Tide / Current Tables for Santa Barbara, California (2)
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Santa Barbara
Click for Map
Fri -- 04:48 AM PDT     -0.14 feet Low Tide
Fri -- 06:44 AM PDT     Sunrise
Fri -- 08:03 AM PDT     Moonrise
Fri -- 11:01 AM PDT     5.65 feet High Tide
Fri -- 05:07 PM PDT     0.31 feet Low Tide
Fri -- 07:00 PM PDT     Sunset
Fri -- 08:15 PM PDT     Moonset
Fri -- 11:15 PM PDT     5.64 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.23.92.410.1-0.10.41.52.94.35.35.65.34.43.11.70.70.30.61.52.74.15.15.6

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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Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Los Angeles, CA
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