Thursday, July29, 2021
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Marine Weather and Tides
Guadalupe, 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 6:08AMSunset 8:07PM Thursday July 29, 2021 8:01 AM PDT (15:01 UTC) Moonrise 10:49PMMoonset 10:52AM Illumination 73% 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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PZZ673 Waters From Pt. Sal To Santa Cruz Island Ca And Westward 60 Nm Including San Miguel And Santa Rosa Islands- 350 Am Pdt Thu Jul 29 2021
.small craft advisory in effect through late tonight...
Today..NW winds 15 to 25 kt with local gusts to 30 kt. Combined seas 4 to 6 ft dominant period 7 seconds. Patchy dense fog with vsby 1 nm or less in the morning, then patchy fog.
Tonight..NW winds 15 to 25 kt with local gusts to 30 kt, becoming 10 to 20 kt late. Combined seas 4 to 6 ft dominant period 6 seconds. Patchy fog.
Fri..NW winds 10 to 15 kt. Wind waves 2 ft. NW swell 3 to 4 ft at 7 seconds. Patchy fog in the morning.
Fri night..NW winds 10 to 15 kt. Wind waves 2 ft. Mixed swell nw 3 ft at 7 seconds and S 2 ft at 14 seconds. Patchy fog after midnight.
Sat..NW winds 10 to 15 kt. Wind waves 2 ft. Mixed swell nw 3 ft at 6 seconds and S 2 ft at 13 seconds. Patchy fog in the morning.
Sat night..NW winds 10 to 15 kt. Wind waves 2 ft. Mixed swell nw 3 ft at 7 seconds and S 2 ft at 13 seconds. Patchy fog after midnight.
Sun..NW winds 10 to 20 kt. Wind waves 2 to 3 ft. Mixed swell nw 2 to 4 ft and S 2 ft. Patchy fog.
Mon..NW winds 10 to 20 kt with local gusts to 25 kt. Wind waves 2 to 4 ft. NW swell 4 to 6 ft. Patchy fog.
PZZ600 350 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 10z, or 3 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 Guadalupe, CA
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location: 34.74, -121.36     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 291258 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 558 AM PDT Thu Jul 29 2021

SYNOPSIS. 29/236 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 likely build back in for next week. Isolated afternoon and evening thunderstorms are possible across the mountains and desert through Saturday.

SHORT TERM (TDY-SAT). 29/258 AM.

The latest satellite imagery shows an upper-level ridge of high pressure over the Central Plains, while a weak upper-level trough of low pressure is centered near 34N and 128W. Southeast flow aloft will remain in place over the region keeping the area on the fringe of monsoonal moisture. Enough moisture is present to keep PoPs in the forecast for the mountains and desert each afternoon and evening through Saturday.

Ridging aloft will keep a warm air mass in place across the region, though somewhat moderated closer to the coast due to onshore flow. Onshore flow will remain in place through the weekend and keep a persistent marine layer in place. The best chance of any low cloud coverage will be for areas north of Point Conception. South of Point Conception, low cloud formation will remain difficult due to the warmer ocean temperatures typical for this time of year. Clouds will likely remain patchy, occasionally increasing in coverage around daybreak.

Onshore flow should start to increase slightly over the weekend as the weak trough of low pressure moves closer to the central California coast and the ridge pulls away to the east some. This should bring some cooling and the possibility of a deeper marine layer depth.

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. 29/1257Z.

At 12Z, the marine layer at KLAX was 800 ft deep. The top of the inversion was near 2100 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 pushed into immediate coastal sections of L.A. County. Conds were mostly LIFR to VLIFR. Skies should clear by mid morning, except possibly late morning or near noon near the coast. Expect a similar low cloud pattern tonight.

KLAX . Overall, moderate confidence in the 12Z TAF. There is a 30% chance of IFR conds thru 15Z this morning. There is a 20% chance that skies will remain clear tonight.

KBUR . High confidence in the 12Z TAF with VFR conds thru the pd.

MARINE. 29/528 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 . Hall AVIATION . DB MARINE . DB SYNOPSIS . Hall

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46259 8 mi125 min 60°F4 ft
46011 - SANTA MARIA - 21 NM Northwest of Point Arguello, CA 23 mi31 min NNW 9.7 G 12 61°F1015.9 hPa
46218 - Harvest, CA (071) 37 mi35 min 62°F4 ft
PTGC1 - Point Arguello, CA 39 mi61 min N 17 G 20 56°F 1014.3 hPa (+0.6)
HRVC1 41 mi43 min 56°F 1015.6 hPa
46215 - Diablo Canyon, CA (076) 42 mi35 min 58°F2 ft
CPXC1 44 mi31 min 1 G 1.9
PSLC1 - 9412110 - Port San Luis, CA 44 mi43 min N 2.9 G 4.1 56°F 61°F1016.3 hPa

Wind History for Port San Luis, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Lompoc, Vandenberg Air Force Base, CA42 mi63 minNNW 60.38 miFog56°F55°F99%1015.8 hPa

Link to 5 minute data for KVBG

Wind History from VBG (wind in knots)
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Last 24hrCalmNW7--NW8NW8NW8W8NW9NW8NW8NW9NW8NW6N7N5N5N4N4NW5N3N3N3N6N6
1 day agoCalm3W4W3W8W7W7W8NW7W7--NW7NW6N4--N5N3--CalmCalmNW3--NW3N4
2 days ago--CalmW4W5W6W6W5W4W4NW3NW5N4N5CalmCalmCalmCalmCalmCalmNW3W5SW3CalmCalm

Tide / Current Tables for Avila, California
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Avila
Click for Map
Thu -- 01:22 AM PDT     1.48 feet High Tide
Thu -- 06:10 AM PDT     Sunrise
Thu -- 08:26 AM PDT     -2.18 feet Low Tide
Thu -- 11:49 AM PDT     Moonset
Thu -- 03:27 PM PDT     1.44 feet High Tide
Thu -- 08:08 PM PDT     Sunset
Thu -- 09:27 PM PDT     -0.46 feet Low Tide
Thu -- 11:46 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.21.51.41.10.4-0.4-1.2-1.8-2.1-2.1-1.7-1-0.20.61.11.41.41.10.60.2-0.2-0.4-0.4-0.2

Tide / Current Tables for Port San Luis Wharf, California
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Port San Luis Wharf
Click for Map
Thu -- 01:56 AM PDT     4.40 feet High Tide
Thu -- 06:10 AM PDT     Sunrise
Thu -- 08:39 AM PDT     0.90 feet Low Tide
Thu -- 11:50 AM PDT     Moonset
Thu -- 03:25 PM PDT     4.50 feet High Tide
Thu -- 08:08 PM PDT     Sunset
Thu -- 09:35 PM PDT     2.21 feet Low Tide
Thu -- 11:46 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.84.24.44.23.72.92.11.410.91.31.92.73.54.14.54.44.13.632.52.32.22.5

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GEOS Local Image of Southwest    EDIT
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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