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Marine Weather and Tides Signal Hill, 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.

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Sunrise 5:51AM

Sunset 8:05PM

Tuesday July 14, 2020 12:47 AM PDT (07:47 UTC)

Moonrise 1:21AM

Moonset 2:44PM

Illumination 36%

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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7 Day Forecast for Marine Location Near Signal Hill, CA

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Area Discussion for - Los Angeles/Oxnard, CA

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FXUS66 KLOX 140626 AFDLOX

Area Forecast Discussion . UPDATED National Weather Service Los Angeles/Oxnard CA 1126 PM PDT Mon Jul 13 2020

updated aviation discussion

SYNOPSIS. 13/340 PM.

A cooling trend will continue through mid week with daytime highs near to slightly below normal. Night through morning low clouds will push onshore and into the coastal valleys each night, then clear to near the coast each day by noon. A slight warming trend is expected by later in the week.

SHORT TERM (MON-THU). 13/912 PM.

The strong upper high that has been responsible for the significant heat has begun to move eastward as a broad trough moves through the Pacific Northwest. As a result, heights have lowered and onshore flow has increased. There was significant cooling across the region today, especially away from the coast where temperatures ranged on average 6-12 degrees cooler than yesterday. The interior of SLO County saw even more cooling, up to 20 degrees in some spots. With onshore gradients about 1 mb stronger than last evening, still seeing some gusty winds in the Antelope Valley this evening but largely below advisory level, except for local gusts to 45 mph around Lake Palmdale. There are also breezy sundowner winds over the Santa Barbara South Coast, mainly west of Gaviota but also expected to remain below advisory level.

The marine layer is around 1300 feet deep and stratus has already pushed into the Central Coast and the southern tip of LA County. Low clouds are expected to cover all the coastal areas overnight and likely into the lower coastal valleys as well by the morning.

More cooling is expected Tuesday and temperatures will be near or slightly below normal. Otherwise no changes to the forecast.

***From Previous Discussion***

Today's drop in temps will be the biggest single day change of the week, though we will continue to see slightly cooler temps each of the next few days. By tomorrow temps will be very close to normal levels then falling slightly below normal Wed/Thu. Marine layer clouds expected to push a little farther inland tonight reaching most of the coastal valleys and including the southern Salinas Valley. Then similar coverage each of the next couple nights.

LONG TERM (FRI-MON). 13/137 PM.

Overall pretty low impact weather expected for the end of the week into early next week. High pressure is expected to expand back towards the west over the weekend but not nearly as strong as it did the last few days and there's still a decent onshore flow in place through the period. So a modest warm up expected for interior areas mostly but not anywhere close to the kind of heat we saw the last couple days. In general, very typical early-mid summer weather.

So far still not seeing any signs of monsoon flow coming this far west at least through early next week. There are hints of some moisture coming into southeast California by around the middle of next week but with the trough lingering just west of the California coast that moisture will struggle to make it far enough west to have any impact across LA County or areas to the west/north.

AVIATION. 14/0624Z.

At 0500Z at KLAX, the marine layer was around 800 feet deep. The top of the inversion was around 2700 feet with a temperature of 23 degrees Celsius.

Moderate confidence in coastal and valley TAFs and high confidence in KWJF and KPMD. For KPRB and KLAX, timing of arrival of cigs may be off by +/- an hour or so. There is a 40% chance of LIFR cigs 09Z-15Z for sites north of Point Conception. For KBUR and KVNY, there is a 30% chance that conditions remain VFR.

KLAX . Moderate confidence TAF. IFR or low MVFR cigs may develop as late as 10Z. Good confidence that any east wind component remains below 5 kt.

KBUR . Moderate confidence in TAF. There is a 30% chance that conditions remain VFR.

MARINE. 13/746 PM.

Winds across the northern portion of the outer waters along Central Coast have diminished this evening. Seas have also diminished so have cancelled the Small Craft Advisory (SCA) for this area. There may be some local SCA gusts through tonight. Winds still remain gusty farther south near Point Conception to San Nicolas Island, so will keep those SCAs in tact. High confidence that SCA level winds will continue through late tonight for these waters. Winds from Point Conception to San Nicolas Island will likely remain elevated on Tuesday, but moderately confident that they will largely remain below SCA level. The strongest winds will occur during the evening hours and local gusts to 25 kt are possible. Otherwise, high confidence that winds and seas will remain below SCA level from Tuesday through the rest of the week across all waters.

Patchy dense fog with visibility of one nautical mile or less is possible across the waters tonight through Tuesday morning.

LOX WATCHES/WARNINGS/ADVISORIES. CA . NONE. PZ . Small Craft Advisory in effect until 3 AM PDT Tuesday for zones 673-676. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (THU-MON).

No significant hazards expected.



PUBLIC . MW/Stewart AVIATION . Stewart MARINE . Stewart SYNOPSIS . MJ

weather.gov/losangeles

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Weather Reporting Stations

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Stations	Dist	Age	Wind	Air Temp	Water Temp	Waves	Pressure	DewPt
46256	4 mi	51 min			64°F	3 ft
OHBC1 - 9410660 - Los Angeles, CA	6 mi	47 min			64°F
46222 - San Pedro, CA (092)	12 mi	57 min			71°F	3 ft
46253	13 mi	51 min			70°F	3 ft
ICAC1 - 9410840 - Santa Monica Pier	24 mi	47 min			73°F
46221 - Santa Monica Bay, CA (028)	25 mi	24 min			66°F	4 ft
46025 - Santa Monica Basin - 33NM West Southwest of Santa Monica, CA	46 mi	27 min	NNW 1.9 G 5.8	65°F	72°F		1013.5 hPa	63°F

Wind History for Los Angeles Pier S, CA

(wind in knots)    EDIT      (on/off)   Help

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Airport Reports

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Airport	Dist	Age	Wind kt	Visibility	Sky/Weather	Temp	DewPt	Humidity	Pressure
Long Beach, Long Beach Airport, CA	5 mi	54 min	Var 5	9.00 mi	Overcast	68°F	62°F	81%	1013.6 hPa
Los Alamitos Army Airfield, CA	7 mi	2.8 hrs	SW 3	8.00 mi	A Few Clouds	72°F	59°F	65%	1013.5 hPa
Fullerton, Fullerton Municipal Airport, CA	13 mi	54 min	SE 5	10.00 mi	Overcast	70°F	62°F	76%	1013.4 hPa
Hawthorne, Hawthorne Municipal Airport, CA	14 mi	54 min	N 0	10.00 mi	Fair	66°F	60°F	81%	1013.7 hPa
John Wayne-Orange County Airport, CA	17 mi	54 min	SW 5	10.00 mi	Overcast	70°F	62°F	76%	1013.5 hPa
Los Angeles, Los Angeles International Airport, CA	17 mi	54 min	W 6	10.00 mi	A Few Clouds	64°F	59°F	84%	1013.4 hPa
Los Angeles / USC Campus Downtown, CA	19 mi	55 min	N 0	9.00 mi	Fair	66°F	59°F	78%	1013.3 hPa
Santa Monica, Santa Monica Municipal Airport, CA	24 mi	56 min	N 0	9.00 mi	Fair	64°F	60°F	87%	1013.5 hPa

Link to 5 minute data for KLGB

Wind History from LGB (wind in knots)

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Tide / Current Tables for Long Beach, Outer Harbor, Pier A, California

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Tide / Current Tables for Los Angeles, California

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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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East

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Wind Forecast for Los Angeles/Oxnard, CA (3,6,7,8)

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Ground Weather Radar Station Santa Ana Mtns, CA

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