Friday, September25, 2020
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Marine Weather and Tides
Brawley, 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 6:31AMSunset 6:35PM Friday September 25, 2020 5:59 AM PDT (12:59 UTC) Moonrise 3:22PMMoonset 12:33AM Illumination 58% Phase: First Quarter Moon; Moon at 8 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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7 Day Forecast for Marine Location Near Brawley, CA
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location: 32.98, -115.53     debug


Area Discussion for - Phoenix, AZ
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FXUS65 KPSR 251140 AFDPSR

Area Forecast Discussion National Weather Service Phoenix AZ 440 AM MST Fri Sep 25 2020

UPDATE. Updated 12Z Aviation Discussion.

SYNOPSIS. Dry conditions and clear to mostly clear skies will remain in the forecast through at least the middle of next week as strong high pressure builds along the West Coast this weekend into early next week. Temperatures will remain above normal through the period with highs over the lower deserts mostly ranging from the upper 90s to up to 105 degrees.

DISCUSSION. A dry weather pattern will continue across the Southwestern U.S. for the foreseeable future with above normal temperatures persisting likely through next week. For today into the weekend, the flow aloft will start out fairly zonal with the upper level jet situated across the northern tier states. This will keep the upper level ridge across the eastern Pacific and the southern U.S. fairly flat, but 500mb heights of 588-591dm over the Desert Southwest will keep high temperatures several degrees above normal. Forecast highs today of 103-105 degrees are a couple degrees off of what the area has seen over the past couple days. This slight cooling trend will continue into the weekend as a weak trough dips into the Great Basin suppressing heights aloft a bit. This should bring daily highs more into a 101-103 degree range, but still on average five degrees above normal readings.

What was initially thought to be our next potential heat episode for early next week, now looks more likely to be more of a continuation of the modestly above normal temperatures. Models still show the developing high amplitude pattern late this weekend into next week, but have trended farther westward with the trough over the middle part of the country. This has also shifted the high pressure ridge westward, mainly centered along the western coast. The ridge is still likely to influence the bulk of our region through the middle part of next week, but now the most likely scenario keeps the ridge axis generally west of our region. Forecast temperatures for next week are still quite problematic as there is a wider than normal range of possible temperatures. Median NBM temperature guidance continues to trend cooler for the first half of next week and we have followed this trend in our forecast. Although it currently looks like temperatures will drop off slightly early next week, this is not a certainty as a shift of the ridge farther eastward would bring back the potential for highs closer to 105 degrees. Despite the uncertain temperature forecast, the air mass will remain very dry and skies are likely to remain clear the majority of the time.

AVIATION. Updated at 1140Z.

South-Central Arizona including KPHX, KIWA, KSDL, and KDVT; Southeast California/Southwest Arizona including KIPL and KBLH:

Dry and stable conditions will continue through the TAF period with clear skies. Surface winds will be light through the morning followed by afternoon breeziness with gusts into the mid to upper teens. Directions will follow typical diurnal patterns.

FIRE WEATHER. Sunday through Thursday: Dry conditions and above normal temperatures will continue through the period as strong high pressure builds along the West Coast early in the period. High temperatures across the lower deserts will mostly range from the upper 90s to the low 100s under clear to mostly clear skies. Daily minimum RHs will be quite low, mainly falling to around 10% each day, while overnight max RHs mostly top out between 20-35%. Winds will remain light through Monday before a potential cold front moves in from the east early Tuesday bringing breezy easterly winds and gusts up to 25 mph across southern Arizona Tuesday morning. Winds for Wednesday and Thursday should return to a light and diurnal pattern.

SPOTTER INFORMATION STATEMENT. Spotters should follow standard reporting procedures.

PSR WATCHES/WARNINGS/ADVISORIES. AZ . None. CA . None.

DISCUSSION . Kuhlman AVIATION . Benedict FIRE WEATHER . Kuhlman


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SDBC1 - 9410170 - San Diego, CA 89 mi59 min 70°F1012.7 hPa (+0.4)
TIXC1 - Tijuana River Reserve, CA 89 mi74 min SSW 2.9 65°F 1013 hPa62°F

Wind History for USS MIDWAY South Navy Pier, San Diego, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Imperial, Imperial County Airport, CA10 mi66 minWSW 310.00 miFair72°F39°F30%1007.2 hPa

Link to 5 minute data for KIPL

Wind History from IPL (wind in knots)
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Last 24hrW5W5W3CalmE3CalmCalmCalmSW6CalmCalmE4E4E3W7W8W8W6W7W8W9NW6W5W3
1 day agoW5SW5CalmCalmW5W4W3Calm3W5W4CalmCalmCalmCalmW6W9SW8W4CalmW5SW5CalmW4
2 days agoSW4SW5E6SE7S43S6Calm6SE635W13W14W9W10W8W8W7W9W7W4N3W3

Tide / Current Tables for National City, San Diego Bay, California
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National City
Click for Map
Fri -- 12:11 AM PDT     0.12 feet Low Tide
Fri -- 12:41 AM PDT     Moonset
Fri -- 06:38 AM PDT     Sunrise
Fri -- 07:10 AM PDT     4.47 feet High Tide
Fri -- 11:58 AM PDT     3.00 feet Low Tide
Fri -- 03:27 PM PDT     Moonrise
Fri -- 05:46 PM PDT     5.75 feet High Tide
Fri -- 06:40 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.10.30.91.72.73.64.24.54.443.53.133.23.74.45.15.65.75.44.63.52.31.1

Tide / Current Tables for San Diego, California
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San Diego
Click for Map
Fri -- 12:01 AM PDT     0.12 feet Low Tide
Fri -- 12:41 AM PDT     Moonset
Fri -- 06:39 AM PDT     Sunrise
Fri -- 07:06 AM PDT     4.27 feet High Tide
Fri -- 11:48 AM PDT     3.00 feet Low Tide
Fri -- 03:27 PM PDT     Moonrise
Fri -- 05:42 PM PDT     5.55 feet High Tide
Fri -- 06:40 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.10.30.91.82.73.54.14.34.23.83.43.133.23.74.455.45.55.24.43.320.9

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
Ground Weather Radar Station Yuma, AZ
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. NOTE: The best I can determine, this site is not subject to CCPA but I am doing my best to comply anyway. 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.