Monday, June25, 2018 L-36.com


Marine Weather and Tides
Stanford, CA

Version 3.4
What's New / NOTES
5/20/2018 -- NOAA is having problems with the data feed that I use to draw the graphs. They are aware of the issue and working to resolve it. Sometimes changing the location by about a mile will give a correct graph. 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.

Sunrise 5:48AMSunset 8:35PM Monday June 25, 2018 1:01 AM PDT (08:01 UTC) Moonrise 5:29PMMoonset 3:11AM Illumination 90% Phase: Waxing Gibbous; Moon at 12 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
    EDIT      (on/off)   Help
PZZ531 San Francisco Bay South Of The Bay Bridge- 840 Pm Pdt Sun Jun 24 2018
.small craft advisory in effect until 9 pm pdt this evening...
Tonight..NW winds 15 to 25 kt...decreasing to 10 to 20 kt late.
Mon..W winds 10 kt...increasing to 10 to 20 kt in the afternoon. Patchy fog in the morning.
Mon night..W winds 5 to 15 kt. Patchy fog after midnight.
Tue..W winds 10 to 20 kt. Patchy fog in the morning.
Tue night..W winds 10 to 20 kt. Patchy fog after midnight.
Wed..W winds 10 to 20 kt. Patchy fog.
Thu..W winds 5 to 15 kt. Patchy fog.
Fri..W winds 5 to 15 kt. Patchy fog.
PZZ500 840 Pm Pdt Sun Jun 24 2018
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Strong and gusty west to southwest winds will continue north of the bay bridge, occasionally gusting to gale force from san pablo bay to the delta. Increasing northwest winds over the northern outer waters and generally decreasing south winds over the inner waters will continue tonight into Monday. Winds will gradually shift to a northwest direction over the entire coastal waters by mid to late this week.

7 Day Forecast for Marine Location Near Stanford, CA
   Hourly   EDIT   Help
location: 37.45, -122.17     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus66 kmtr 250507
afdmtr
area forecast discussion
national weather service san francisco bay area
1007 pm pdt Sun jun 24 2018

Synopsis A cooling trend will continue into Monday and
temperatures will settle around seasonal averages for much of the
week ahead. A warming trend is likely late in the work week and
into next weekend.

Discussion As of 9:05 pm pdt Sunday... A combination of
weakening high pressure aloft, a southerly surge, and return to
onshore flow allowed marine air to advance well inland today. The
result was considerable cooling today with some locations as much
as 30 degrees cooler today compared to Saturday. As of 8 pm this
evening, relative humidity values were as much as 50 percent
higher compared to last evening. Lowering temperatures and
increasing humidity has significantly lowered fire weather
concerns. Therefore, the red flag warning for the north and east
bay hills was allowed to expire at 8 pm.

Evening fort ord profiler shows the marine layer has deepened to
more than 2000 feet. This relatively deep marine layer combined
with increasing onshore flow will mean continued cooling going
into Monday, especially for the inland valleys and higher hills.

An upper trough moving through the pacific northwest tonight and
early Monday will move well off to the east by early Tuesday,
which will result in slight warming in most areas on Tuesday.

Southerly flow that is currently in place along our coast is
forecast to switch to a more typical west to northwest flow by
Tuesday which will also help boost temps in locations such as the
north bay valleys and santa cruz. However, the return of northwest
flow at the coast will mean cooler weather for areas with
northwest exposure to the ocean such as monterey.

After Tuesday's brief warm-up, expect cooling around midweek as
another trough settles in along the west coast. Longer range
models then indicate a warming and drying trend late in the week
and into next weekend as a strong upper ridge builds near the
west coast.

Aviation As of 10:07 pm pdt Sunday... Stratus on the coast
continues to move back inland tonight on onshore winds. MVFR ifr
ceilings will gradually spread inland overnight. The marine layer
has deepened tonight as an upper trough approaches. Similar mixing
out of stratus clouds can be expected on Monday.

Vicinity of ksfo...VFR through late tonight, MVFR ifr CIGS develop
early Monday morning. Southerly winds slow to return to westerly, but
should return to westerly later tonight.

Sfo bridge approach... Similar to ksfo.

Monterey bay terminals... Stratus clouds steadily filled back in this
evening. Onshore winds tonight and Monday.

Marine As of 8:40 pm pdt Sunday... Strong and gusty west to
southwest winds will continue north of the bay bridge,
occasionally gusting to gale force from san pablo bay to the
delta. Increasing northwest winds over the northern outer waters
and generally decreasing south winds over the inner waters will
continue tonight into Monday. Winds will gradually shift to a
northwest direction over the entire coastal waters by mid to late
this week.

Mtr watches warnings advisories
Tngt Sca... Pt arena to pigeon pt 10-60 nm
sca... Sf bay until 2 am
public forecast: dykema
aviation marine: canepa
visit us at

Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RTYC1 - 9414523 - Redwood City, CA 5 mi44 min 73°F
AAMC1 - 9414750 - Alameda, CA 23 mi56 min W 9.9 G 12 60°F 69°F1014.5 hPa
LNDC1 25 mi44 min W 6 G 9.9 60°F 1014.3 hPa
OKXC1 - 9414776 - Oakland (Berth 34), CA 26 mi44 min W 9.9 G 13 59°F 1014.3 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 26 mi50 min WSW 13 G 16
OBXC1 26 mi50 min 59°F 58°F
PXOC1 - 9414311 - San Francisco (Pier 1), CA 27 mi50 min W 8 G 14 58°F 1013.3 hPa
PXSC1 27 mi50 min 59°F 58°F
FTPC1 - 9414290 - San Francisco, CA 29 mi56 min WSW 5.1 G 9.9 57°F 57°F1014.6 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 33 mi44 min SW 8 G 11 60°F 1014.4 hPa
46237 - San Francisco Bar, CA (142) 34 mi62 min 54°F3 ft
RCMC1 - 9414863 - Richmond, CA 35 mi56 min WSW 6 G 9.9 59°F 62°F1014.2 hPa
46012 - HALF MOON BAY - 24NM South Southwest of San Francisco, CA 38 mi72 min SW 5.8 G 7.8 58°F 55°F4 ft1015.2 hPa (+1.0)
MZXC1 - 9415102 - Martinez-Amorco CA 40 mi44 min 67°F
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 41 mi42 min W 3.9 G 5.8 56°F 55°F1015 hPa56°F
PCOC1 - 9415144 - Port Chicago, CA 42 mi50 min WSW 19 G 26 60°F 69°F1012.9 hPa
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 42 mi44 min WSW 12 G 16 60°F 1013.4 hPa
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 43 mi44 min WNW 17 G 23 62°F 1011.7 hPa
46042 - MONTEREY - 27NM West of Monterey Bay, CA 48 mi72 min SSW 1.9 G 3.9 59°F 56°F4 ft1014 hPa (+0.8)
ELXC1 - Elkhorn Slough Reserve, CA 49 mi77 min NW 4.1 61°F 1014 hPa57°F
46092 - MBM1 49 mi58 min WNW 3.9 59°F 54°F1014.3 hPa (+0.9)

Wind History for Redwood City, CA
(wind in knots)    EDIT      (on/off)   Help
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
Last
24hr
N6
N7
N6
NW5
NW4
NW2
NW4
N4
N3
N4
G7
NE5
G8
N6
G9
N7
G10
NW14
G17
NW13
G16
W10
G14
W13
G16
W11
G14
W11
W7
W6
W6
W6
W8
1 day
ago
N4
--
N2
S2
E1
SW2
W2
N1
N6
N6
NW6
N3
N9
N7
N13
NW9
N9
NW12
N15
N10
G13
N8
S3
E4
NE3
2 days
ago
S1
S2
W1
E2
NW2
N4
N5
N2
N8
NW11
N11
N13
NW10
N10
NW10
NW10
N5
NW3
NW5
N5

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Palo Alto Airport, CA3 mi4.2 hrsNW 710.00 miClear66°F57°F73%1012.5 hPa
San Carlos Airport, CA7 mi62 minWSW 710.00 miFair61°F55°F83%1013.9 hPa
Mountain View, Moffett Field, CA7 mi66 minNNE 310.00 miFair63°F55°F78%1014 hPa
San Jose, San Jose International Airport, CA14 mi69 minNW 410.00 miA Few Clouds64°F57°F78%1013.6 hPa
San Francisco, San Francisco International Airport, CA15 mi66 minW 910.00 miPartly Cloudy64°F54°F70%1013.8 hPa
Hayward, Hayward Air Terminal, CA15 mi68 minWNW 1110.00 miMostly Cloudy62°F55°F80%1014.8 hPa
Oakland, Metro Oakland International Airport, CA17 mi69 minW 1510.00 miMostly Cloudy60°F57°F90%1013.9 hPa
Half Moon Bay Airport, CA18 mi62 minWSW 69.00 miOvercast57°F55°F94%1014.9 hPa
San Jose / Reid / Hillv, CA20 mi3.2 hrsNW 710.00 miClear68°F57°F69%1012.5 hPa

Wind History from PAO (wind in knots)
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
Last 24hr------------------Calm5NW7N7N10NW8--NW12NW11--NW15
G20
--NW15
G20
NW12NW7
1 day ago------------------5CalmN8NW11----NW10N10--NW12----NW12
G20
NW10NW12
2 days ago------------------CalmCalmCalmN5N74N10--NW11NW15N15NW16NW11NW8NW7

Tide / Current Tables for Palo Alto Yacht Harbor, San Francisco Bay, California
   EDIT   RT Ports Option   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Palo Alto Yacht Harbor
Click for Map
Mon -- 04:11 AM PDT     Moonset
Mon -- 05:48 AM PDT     Sunrise
Mon -- 06:59 AM PDT     -0.23 feet Low Tide
Mon -- 12:43 PM PDT     5.83 feet High Tide
Mon -- 06:28 PM PDT     Moonrise
Mon -- 06:28 PM PDT     1.63 feet Low Tide
Mon -- 08:33 PM PDT     Sunset
Mon -- 11:31 PM PDT     8.22 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
7.975.53.82.20.80-0.20.21.42.94.55.65.85.34.43.22.31.71.82.94.86.78

Tide / Current Tables for Dumbarton Hwy Bridge, South San Francisco Bay, California Current
   EDIT      (on/off)   Help   One Week of Data
Dumbarton Hwy Bridge
Click for Map
Mon -- 03:21 AM PDT     -1.31 knots Max Ebb
Mon -- 04:11 AM PDT     Moonset
Mon -- 05:48 AM PDT     Sunrise
Mon -- 06:44 AM PDT     0.00 knots Slack
Mon -- 10:06 AM PDT     1.81 knots Max Flood
Mon -- 12:57 PM PDT     -0.00 knots Slack
Mon -- 03:59 PM PDT     -0.65 knots Max Ebb
Mon -- 06:28 PM PDT     Moonrise
Mon -- 06:33 PM PDT     0.00 knots Slack
Mon -- 08:33 PM PDT     Sunset
Mon -- 09:37 PM PDT     1.38 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.3-0.8-1.2-1.3-1.3-1-0.50.31.11.61.81.60.9-0-0.4-0.6-0.6-0.6-0.30.30.91.31.31

Weather Map and Satellite Images
       (on/off)   HelpWeather Map
wmap_P
GOES Local Image of CentralWestCoast    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 Francisco/Monterey Bay Area, CA (4,6,7,8)
      (on/off)   Help

Ground Weather Radar Station San Francisco Bay Area, CA
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

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 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.