Marine Weather and Tides
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.
|Sunrise 6:47AM||Sunset 5:12PM||Monday January 21, 2019 9:35 AM PST (17:35 UTC)||Moonrise 7:04PM||Moonset 8:16AM||Illumination 99%|
7 Day Forecast for Marine Location Near Imperial Beach city, CAHourly EDIT Help
Area Discussion for - San Diego, CA  (on/off)  Help NOTE: mouseover dotted underlined text for definition
|Fxus66 ksgx 211132|
area forecast discussion
national weather service san diego ca
332 am pst Mon jan 21 2019
Strong onshore flow will weaken today with scattered light showers
along and west of the mountains ending this morning and with
strong west winds in the mountains and deserts decreasing this
afternoon. The flow will turn offshore late tonight into Tuesday
morning with generally offshore flow continuing into next weekend.
There will be periods of gusty northeast winds near and along and
near the coastal slopes of the mountains. After cooling today, high
pressure aloft along the west coast combined with the offshore
flow will bring a warming trend for Tuesday into next weekend.
Discussion For extreme southwestern california including orange...
san diego... Western riverside and southwestern san bernardino
Short term (today through Wednesday)
A trough of low pressure over the western states will continue to
move inland today. Strong onshore low level flow will weaken this
afternoon with the flow turning offshore and strengthening late
tonight and Tuesday.
Satellite imagery early this morning shows clouds banked up
against the mountains and extending back toward the coast. There
is also more extensive cloud cover across portions of the high
desert. A few light showers will continue early this morning near
coastal mountain slopes and for coastal and valley areas of san
diego county with a few light showers or sprinkles also possible
across portions of the high deserts.
Strong west winds in the mountains and deserts will weaken this
afternoon. The flow will turn offshore late night and Tuesday with
northeast winds developing and strengthening along and near the
coastal slopes of the mountains and below passes and canyons with
periods of gusty northeast winds continuing into Wednesday.
The stronger onshore flow will bring cooling for today.
Strengthening high pressure aloft near the west coast combined
with the offshore flow will bring a warming trend for Tuesday and
Long term (Thursday through Sunday)
High pressure aloft near the west coast may move toward the west a
little by Sunday and Monday. Periods of mostly weak to moderate
offshore flow will continue into Saturday with periods of gusty
northeast winds near the coastal slopes of the mountains and
below passes and canyons, mainly late nights and mornings. The
warming trend will continue into Saturday. As high pressure aloft
shifts toward the west, that will open up the possibility of a
trough of low pressure moving southward through the western states
into the southwest states. The ECMWF is the most aggressive with
this scenario. That would bring more clouds and cooling than
currently shown in the forecast for Sunday and Monday along with
small chances for light precipitation on Monday.
211000z... Coast valleys mountains... Low clouds with varying bases
1500-2500 feet msl, but occasionally scattered vcnty ksna. Isold -
shra in san diego county. Vis 3-5sm in -shra and in valleys and
coastal slopes. Areas of higher terrain obscured in fog and -shra.
West winds will increase this morning, with gusts 20-25 kt through
the afternoon, then transitioning to E NE winds tonight.
Mountains deserts... West winds 25-35 kt with gusts to 50 kt
producing stg uddfs and local llws over and east of the ridges.
Winds weaken this afternoon before turning NE and strengthening
Windy, choppy conditions and hazardous combined seas feet will
produce hazardous boating conditions today and tonight. For details,
check the small craft advisory in effect. Northwest winds today will
turn northeast early Tuesday morning with a few gusts over 20 kt
between san mateo point and san clemente island through midday. No
additional marine weather hazards are expected later Tuesday through
Very high tides will happen this morning and again Tuesday morning.
Higher than average surf will build today and diminish Tuesday. The
combination of these factors may produce minor coastal flooding at
the beaches. Check the beach hazards statement and surf zone
forecast for the details.
Skywarn activation is not requested. However weather spotters are
encouraged to report significant weather conditions.
Sgx watches warnings advisories
Ca... High wind warning until 2 pm pst this afternoon for apple and
lucerne valleys-coachella valley-riverside county mountains-
san bernardino county mountains-san diego county deserts-
san diego county mountains-san gorgonio pass near banning.
Wind advisory from 6 am Tuesday to noon pst Wednesday for san
diego county mountains-san diego county valleys.
Wind advisory from midnight tonight to noon pst Wednesday for
orange county inland areas-riverside county mountains-san
bernardino county mountains-san bernardino and riverside
county valleys-the inland empire-san gorgonio pass near
banning-santa ana mountains and foothills.
Beach hazards statement through Tuesday morning for orange
county coastal areas-san diego county coastal areas.
Pz... Small craft advisory until 2 am pst Tuesday 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.
aviation marine beaches... Mm
Weather Reporting StationsEDIT (on/off)  Help NOTE: Click on distance to see the station location on a map
|Stations||Dist||Age||Wind||Air Temp||Water Temp||Waves||Pressure||DewPt|
|TIXC1 - Tijuana River Reserve, CA||3 mi||110 min||NW 11||58°F||1020 hPa||47°F|
|46235||3 mi||35 min||59°F||7 ft|
|SDBC1 - 9410170 - San Diego, CA||13 mi||41 min||1019.6 hPa|
|46232 - Point Loma South, CA (191)||15 mi||35 min||60°F||9 ft|
|46254||24 mi||67 min||60°F||8 ft|
|LJAC1 - 9410230 - La Jolla, CA||24 mi||35 min||WNW 8 G 11||59°F||60°F||1019.6 hPa (+1.1)|
|LJPC1 - La Jolla, CA (073)||24 mi||75 min||NW 11 G 16||8 ft|
|46258||25 mi||35 min||61°F||8 ft|
|46225 - Torrey Pines Outer, CA (100)||31 mi||35 min||60°F||8 ft|
|46086 - San Clemente Basin||48 mi||45 min||WNW 21 G 25||58°F||61°F||9 ft||1019.7 hPa (+0.8)|
|46224 - Oceanside Offshore, CA (045)||48 mi||35 min||61°F||8 ft|
Wind History for USS MIDWAY South Navy Pier, San Diego, CA(wind in knots) EDIT (on/off)  Help
Airport ReportsEDIT (on/off)  Help Click EDIT to display multiple airports
|Imperial Beach Naval Outlying Field - Ream Field, CA||4 mi||39 min||WNW 17||10.00 mi||Light Rain||58°F||45°F||62%||1020.1 hPa|
|San Diego, Brown Field Municipal Airport, CA||9 mi||42 min||NW 6 G 14||10.00 mi||Mostly Cloudy||56°F||44°F||65%||1019.5 hPa|
|San Diego, North Island, Naval Air Station, CA||12 mi||1.7 hrs||WNW 15||10.00 mi||Partly Cloudy||61°F||44°F||54%||1019.6 hPa|
|San Diego, San Diego International-Lindbergh Field, CA||14 mi||44 min||NW 9||10.00 mi||Partly Cloudy||60°F||42°F||52%||1020.2 hPa|
|San Diego, Montgomery Field, CA||21 mi||42 min||NW 11||10.00 mi||A Few Clouds||57°F||43°F||60%||1019.4 hPa|
|Gillespie Field Airport, CA||23 mi||48 min||N 0||10.00 mi||Partly Cloudy||55°F||44°F||67%||1020 hPa|
|San Diego, Miramar MCAS/Mitscher Field Airport, CA||24 mi||1.7 hrs||W 8||10.00 mi||Partly Cloudy||58°F||43°F||58%||1018.8 hPa|
Wind History from NRS (wind in knots)
|1 day ago||N||NW||NW||N||NW||NW||N||NW||Calm||Calm||Calm||NE||NE||NE||E||E||E||N||E||NE||E||E||Calm|
|2 days ago||N||W||W||NW||NW||NW||NW||NW||NW||N||N||E||E||E||NE||NE||E||E||NE||NE||Calm||E||NE||N |
EDIT RT Ports Option Weekend mode (on/off) (on/off)  Help One Week of Data
EDIT (on/off)  Help One Week of Data
Weather Map and Satellite Images(on/off)  HelpWeather Map
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.
Link to Loop
Other links: Northern Pacific Contential US Full GOES-East
Wind Forecast for San Diego, CA (12,3,4,5)(on/off)  Help
Ad by Google
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 numerious 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.