Sunday, March18, 2018

Marine Weather and Tides
San Diego, CA

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.

Sunrise 6:52AMSunset 7:01PM Sunday March 18, 2018 12:42 AM PDT (07:42 UTC) Moonrise 7:51AMMoonset 8:21PM Illumination 2% Phase: Waxing Crescent; Moon at 1 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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PZZ750 Coastal Waters From San Mateo Point To The Mexican Border And Out To 30 Nm- 139 Pm Pdt Sat Mar 17 2018
.small craft advisory in effect from 7 pm pdt this evening through late tonight...
Tonight..Wind W 10 to 15 kt with gusts to 20 kt. Wind waves 4 ft. SWell W 3 to 5 ft at 11 seconds. Slight chance of showers.
Sun..Wind W to 10 kt with gusts to 15 kt. Wind waves 2 ft or less. SWell W 2 to 4 ft at 10 seconds.
Sun night..Wind nw 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. SWell W 2 ft at 10 seconds.
Mon..Wind nw 10 to 15 kt. Gusts to 20 kt in the afternoon. Wind waves 2 ft or less...becoming 3 ft in the afternoon. SWell W 2 ft at 10 seconds.
Mon night..Wind nw 10 to 15 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft at 12 seconds.
Tue..Wind variable less than 10 kt...becoming nw 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 2 ft.
Tue night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 to 2 ft.
Wed..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 to 3 ft. Slight chance of rain in the afternoon.
Wed night..Wind S 10 kt. Wind waves 2 ft or less. SWell W 2 to 4 ft. Slight chance of rain in the evening, then chance of rain after midnight.
Thu..Wind S 10 kt...becoming W in the afternoon. Wind waves 2 ft or less...becoming 3 ft in the afternoon. SWell W 3 to 4 ft. Chance of rain in the morning, then showers likely in the afternoon.
Thu night..Wind nw 10 to 20 kt with gusts to 25 kt. Wind waves 4 ft. SWell W 3 to 4 ft. Showers likely in the evening, then chance of showers after midnight.
PZZ700 139 Pm Pdt Sat Mar 17 2018
Synopsis for the far southern california coast.. At 2 pm, a 1006 mb low and associated cold front was moving through the western states with the moist, unstable air mass behind the front moving across southern california. Moderate onshore flow will continue through Sunday, with gusty west to northwest winds and rough seas likely tonight into Sunday morning. Isolated to scattered showers at times through early Sunday morning. Dry with weaker onshore flow Sunday through Wednesday.

7 Day Forecast for Marine Location Near San Diego, CA
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location: 32.78, -117.23     debug

Area Discussion for - San Diego, CA
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Fxus66 ksgx 180422
area forecast discussion
national weather service san diego ca
922 pm pdt Sat mar 17 2018

A few light rain and snow showers remain possible through early
Sunday morning. Quiet, dry and slightly warmer weather is
anticipated Sunday into Tuesday. By the second half of the
workweek focus shifts toward the arrival of our next storm system
and a potentially strong atmospheric river in southern california.

Though precise timing and rainfall amounts remain up in the air,
a period of heavy rainfall looks likely sometime between
Wednesday and Friday morning. Flooding appears possible with this

Discussion For extreme southwestern california including orange...

san diego... Western riverside and southwestern san bernardino

at 9 pm... Skies were mostly cloudy with the tail end of an upper
level trough just beginning to swing through the region. Widely
scattered light-moderate showers were showing up on radar. At the
surface, winds were light apart from the desert slopes, where a
few gusts into the 30s were still being reported.

Scattered light showers will continue overnight for the mountains
westward, instigated by the passage of the upper trough and a
shallow layer of instability below 700 mb. Parts of san diego
county may see 0.10-0.25 inches of precipitation overnight,
otherwise totals will be limited to just a couple hundredths. Snow
showers remain possible above 4,000 ft, but any accumulations
should be limited to a couple inches at most.

The weather pattern will return to a docile state Sunday-Tuesday
as ridging develops over the southwest. During this period
temperatures will trend upward and dry weather will prevail.

Conditions are expected to shift in a soggier direction during
the second half of the workweek as a storm system off the coast
drags a strong atmospheric river into the southern half of
california. Though timing differences of around 12-36 hours remain
between the global models, run to run model consistency in the
track depth of moisture result in moderate-high forecaster
confidence in the occurrence of a significant precipitation event.

Best projections right now suggest moderate to heavy rain
developing north of l.A. As early as Tuesday evening, with the
heaviest precipitation pushing slowly south through san diego by
early Friday. At this time there appears to be a potential for
rain rates in the 0.5-0.75 inch per hour range, urban flooding,
and debris flows near recent burn scars. Those with interests that
may be impacted should monitor the forecast closely over the
coming days. Though rain amounts may be significant during this
period, the warm nature of this system should limit the potential
for snow. Snow levels will likely remaining at or above 8,000 ft
for most of the storm.

180400z... Shra will continue overnight as a system moves across the
region. Low cloud bases will range from 1500-2500 ft msl in showers,
and remain above 3000 ft msl for other areas. Small hail is possible
in the heavier showers, along with reduced vis to 2 sm. Mountains
will be obscured at times in the clouds. Westerly wind gusts of 35-
45 kt are possible along desert mountain slopes tonight. Conditions
will improve by early Sunday morning, withVFR conditions most areas.

West-northwest winds of 15-25 kt will continue through tonight as a
system moves across the area. A small craft advisory remains in
effect from through 4 am Sunday.

Showers will continue at times through Sunday morning.

Skywarn activation will not be needed today.

Sgx watches warnings advisories
Ca... Winter weather advisory until 3 am pdt Sunday for riverside
county mountains-san bernardino county mountains-san diego
county mountains.

Pz... Small craft advisory until 4 am pdt Sunday for coastal waters
from san mateo point to the mexican border and out to 30 nm-
waters from san mateo point to the mexican border extending
30 to 60 nm out including san clemente island.

Public... Albright
aviation marine... Jjt

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SDBC1 - 9410170 - San Diego, CA 5 mi43 min 65°F1018.8 hPa (+0.0)
LJAC1 - 9410230 - La Jolla, CA 6 mi43 min WNW 8 G 11 56°F 1017.6 hPa (+0.0)
LJPC1 - La Jolla, CA (073) 6 mi83 min NW 9.9 3 ft
46258 14 mi43 min 60°F5 ft
46225 - Torrey Pines Outer, CA (100) 14 mi52 min 59°F4 ft
TIXC1 - Tijuana River Reserve, CA 15 mi58 min WNW 6 55°F 1020 hPa42°F
46232 - Point Loma South, CA (191) 20 mi43 min 60°F4 ft
46224 - Oceanside Offshore, CA (045) 30 mi43 min 59°F3 ft
46242 - Camp Pendleton Nearshore, CA (043) 32 mi45 min 59°F3 ft
46086 - San Clemente Basin 47 mi53 min W 12 G 14 57°F 60°F5 ft1018.2 hPa (+0.0)

Wind History for USS MIDWAY South Navy Pier, San Diego, CA
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1 day
2 days

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
San Diego, San Diego International-Lindbergh Field, CA5 mi52 minWNW 410.00 miMostly Cloudy56°F41°F57%1018.7 hPa
San Diego, Montgomery Field, CA6 mi50 minW 310.00 miFair52°F42°F69%1017.9 hPa
San Diego, North Island, Naval Air Station, CA6 mi51 minWNW 710.00 miMostly Cloudy56°F43°F62%1018 hPa
San Diego, Miramar MCAS/Mitscher Field Airport, CA8 mi1.8 hrsW 510.00 miMostly Cloudy55°F42°F62%1017.8 hPa
Gillespie Field Airport, CA14 mi48 minN 010.00 miFair50°F44°F82%1017.9 hPa
Imperial Beach Naval Outlying Field - Ream Field, CA15 mi47 minWNW 910.00 miFair53°F41°F64%1018.4 hPa
San Diego, Brown Field Municipal Airport, CA19 mi50 minN 010.00 miA Few Clouds51°F39°F66%1018 hPa

Wind History from SAN (wind in knots)
Last 24hrS7SW8S7SE10SE9E44E5S6SE6W7NW9NW5W9W12W10W8NW8NW9NW7W6NW10NW7W4
1 day agoW4SW3E4SE5E4E6CalmCalmCalmS56CalmNW7W9
2 days agoSW9SW11S10W16

Tide / Current Tables for Crown Point, Mission Bay, California
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Crown Point
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Sun -- 04:48 AM PDT     0.36 feet Low Tide
Sun -- 06:55 AM PDT     Sunrise
Sun -- 07:50 AM PDT     Moonrise
Sun -- 10:33 AM PDT     5.23 feet High Tide
Sun -- 05:05 PM PDT     -0.03 feet Low Tide
Sun -- 06:59 PM PDT     Sunset
Sun -- 08:21 PM PDT     Moonset
Sun -- 10:59 PM PDT     5.16 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Tide / Current Tables for San Diego Bay Entrance, California Current
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San Diego Bay Entrance
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Sun -- 01:51 AM PDT     -1.85 knots Max Ebb
Sun -- 04:51 AM PDT     0.00 knots Slack
Sun -- 06:54 AM PDT     Sunrise
Sun -- 07:50 AM PDT     Moonrise
Sun -- 07:52 AM PDT     1.67 knots Max Flood
Sun -- 10:54 AM PDT     -0.00 knots Slack
Sun -- 02:06 PM PDT     -2.05 knots Max Ebb
Sun -- 05:14 PM PDT     0.00 knots Slack
Sun -- 06:58 PM PDT     Sunset
Sun -- 08:12 PM PDT     1.67 knots Max Flood
Sun -- 08:21 PM PDT     Moonset
Sun -- 11:17 PM PDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Weather Map and Satellite Images
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GOES 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
Wind Forecast for San Diego, CA (3,6,7,8)
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Ground Weather Radar Station San Diego, CA
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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 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 numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at 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.