Thursday, April27, 2017 L-36.com


Marine Weather and Tides
Inverness, CA

Version 3.4
What's New / NOTES
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:15AMSunset 8:00PM Thursday April 27, 2017 7:37 PM PDT (02:37 UTC) Moonrise 6:32AMMoonset 8:39PM Illumination 4% Phase: Waxing Crescent; Moon at 2 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
PZZ545 Point Reyes To Pigeon Point To 10 Nm- 215 Pm Pdt Thu Apr 27 2017
.small craft advisory in effect through Friday evening...
Tonight..NW winds 20 to 30 kt. Wind waves 4 to 6 ft. W swell 6 to 8 ft at 12 seconds.
Fri..NW winds 15 to 25 kt. Wind waves 4 to 6 ft. NW swell 4 to 6 ft at 12 seconds.
Fri night..NW winds 15 to 25 kt. Wind waves 4 to 6 ft. NW swell 7 to 9 ft at 11 seconds.
Sat..NW winds 5 to 15 kt. Wind waves 1 to 3 ft. W swell 6 to 8 ft at 11 seconds.
Sat night..NW winds 15 to 25 kt. Wind waves 3 to 5 ft. W swell 6 to 8 ft.
Sun..NW winds 15 to 25 kt. Wind waves 4 to 6 ft. W swell 6 to 8 ft.
Mon..NW winds 20 to 30 kt. Wind waves 4 to 6 ft. W swell 7 to 9 ft.
Tue..NW winds 20 to 30 kt. Wind waves 3 to 5 ft. W swell 7 to 9 ft.
...san francisco bar/fourfathom bank forecast..... In the deep water channel... Across the bar...
PZZ500 215 Pm Pdt Thu Apr 27 2017
Synopsis for the central california coast and bays including Monterey bay national marine sanctuaries.. Strong northwesterly winds will impact the coastal waters today and Friday as building high pressure tightens the pressure gradient. Some isolated gale force gusts will be possible offshore and near coastal points. Steep seas will develop in response to the winds and a fresh northwest swell will continue to impact the coastal waters through the weekend.

7 Day Forecast for Marine Location Near Inverness CDP, CA
   Hourly   EDIT   Help
location: 38.11, -122.87     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus66 kmtr 272338
afdmtr
area forecast discussion
national weather service san francisco bay area
438 pm pdt Thu apr 27 2017

Synopsis Continued breezy conditions at times on Friday,
particularly near the coast and in the hills, with a gradual
warming trend. Winds will ease by Saturday morning then clear and
warm weather is forecast over the weekend and into early next week
with no rain in the extended forecast.

Discussion As of 2:15 pm pdt Thursday... Synoptic pattern today
features cyclonic flow aloft with strong onshore surface
pressure gradients that have kicked up strong afternoon northwest
winds along the coast and coastal hills.

Overnight as the main longwave trough digs over the great basin the
response along the california coast will be a developing thermal
trough at the surface which will push the winds to a more north or
northeast direction by Friday morning. This will bring some 35 mph
winds to the north and east bay hills Friday morning and allow for
some favorable downslope winds. So under clear skies expect
temperatures to warm well into the 70s to wind out the work week.

Winds will ease for a time Friday afternoon, except right at the
beaches where north winds will continue. Then again Friday night
into Saturday another round of offshore winds will develop in the
hills. This time with a drier and warmer airmass in place. This will
set the stage for a magnificent Saturday morning to start out the
bay area weekend. If you get out early enough you'll almost be able
to smell the warmth as the offshore winds usher in a drier airmass
with no marine layer to speak of. Saturday should be the warmest day
so far this year for many locations with highs climbing into the 80s
for may of the inland valleys, especially in the north and east bay
where favorable downslope wind flow will continue.

By Sunday the offshore winds will have eased but the stage will be
set for several days of ideal spring time weather with clear skies
and daytime highs generally in the 70s and 80s for much of the bay
area and likely even some near 90 degree readings for southern
monterey county.

The earliest it looks like the ridge will break down would be around
next Thursday. Will see if we get any stratus intrusions before that
but it looks like a real nice period of warm and dry weather coming
up for the region.

Aviation As of 4:38 pm pdt Thursday... Near high confidence dry
northerly winds will keepVFR going at the terminals tonight and
Friday. Only exception is there may be a few patchy low clouds
along the immediate coastline early Friday morning, otherwiseVFR
is forecast with few-sct thin cirrus.

Vicinity of ksfo...VFR. Gusty w-nw winds near 30 knots this evening
gradually relaxes tonight, then resumes and becomes gusty from the
w-nw again Friday.

Sfo bridge approach...VFR.

Monterey bay terminals...VFR. Patchy ifr CIGS are possible over the
southern monterey bay area per WRF model output, kmry tempo 12z-16z
bkn 800 feet.

Marine As of 2:15 pm pdt Thursday... The forecast remains on
track with high pressure taking over the weather pattern. The
pressure gradient will tighten across the waters in response to
building high pressure causing northerly winds to increase over
the next couple of days. Wind gusts should reach 25 to 30 kt today
and Friday. Some isolated gale force gusts will even be possible
offshore and near coastal points. Then fresh north winds will
persist into the weekend. Seas will become quite steep due to the
winds and a mid period westerly swell will continue to impact the
waters through the weekend. The existing small craft advisories
will remain in effect.

Mtr watches/warnings/advisories
Tngt Sca... Pt arena to pt reyes 0-10 nm
sca... Pt reyes to pigeon pt 0-10 nm
sca... Pigeon pt to pt pinos 0-10 nm
sca... Pt pinos to pt piedras blancas 0-10 nm
sca... Pt arena to pigeon pt 10-60 nm
sca... Pigeon pt to pt piedras blancas 10-60 nm
sca... Mry bay until 3 am
public/marine: NWS eureka
aviation: 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
PRYC1 - 9415020 - Point Reyes, CA 10 mi49 min WNW 26 G 35 55°F 56°F1016.9 hPa
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 25 mi107 min NW 25 G 31 55°F 54°F10 ft1017 hPa (-1.1)
46013 - Bodega Bay - 48NM North Northwest of San Francisco, CA 25 mi77 min NW 27 G 35 55°F 1018.5 hPa46°F
46237 - San Francisco Bar, CA (142) 26 mi67 min 54°F8 ft
RCMC1 - 9414863 - Richmond, CA 28 mi49 min WNW 13 G 18 61°F 58°F1015.2 hPa
FTPC1 - 9414290 - San Francisco, CA 30 mi49 min WSW 9.9 G 14 58°F 56°F1016.1 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 30 mi49 min W 11 G 17 64°F 1015.9 hPa
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 32 mi49 min W 12 G 17 63°F 1014.9 hPa
PXOC1 - 9414311 - San Francisco (Pier 1), CA 33 mi49 min WSW 9.9 G 14 61°F 1014.8 hPa
PXSC1 33 mi49 min 61°F 43°F
46214 - Point Reyes, CA (029) 34 mi67 min 55°F10 ft
OBXC1 35 mi49 min 61°F 47°F
OKXC1 - 9414776 - Oakland (Berth 34), CA 35 mi49 min W 7 G 9.9 62°F 1015.9 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 36 mi49 min W 12 G 15
LNDC1 38 mi55 min W 6 G 8 63°F 1015.7 hPa
AAMC1 - 9414750 - Alameda, CA 38 mi49 min W 8 G 13 61°F 63°F1016.4 hPa
UPBC1 40 mi49 min WNW 18 G 21
MZXC1 - 9415102 - Martinez-Amorco CA 40 mi49 min W 13 G 18 63°F 60°F1015.2 hPa46°F
PCOC1 - 9415144 - Port Chicago, CA 44 mi49 min W 19 G 21 63°F 61°F1014.4 hPa
SFXC1 - San Francisco Bay Reserve, CA 45 mi112 min WNW 14 68°F 1014 hPa51°F

Wind History for Point Reyes, CA
(wind in knots)    EDIT      (on/off)   Help
8
PM
9
PM
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
Last
24hr
W16
W15
G20
W17
G21
W20
W23
G28
W20
G25
W17
G22
NW17
G22
W19
G27
W20
G26
NW18
G26
NW21
G27
NW24
NW20
NW22
NW23
G28
W20
G25
W25
G31
W25
W21
G27
W25
G32
W24
G31
W25
G33
W31
G38
1 day
ago
W7
G10
NW5
W6
W3
--
S4
SW3
SW2
NW1
W6
W6
G9
W8
G11
W7
W3
G7
W7
W9
G14
W11
G16
W11
G16
W14
G17
W11
W12
G16
W14
G17
W14
G17
W15
G19
2 days
ago
W11
W10
G13
W7
G10
W10
G14
W14
G18
W12
W10
G13
W17
G21
W14
G20
W14
G17
NW11
NW11
W11
G14
NW13
W13
W13
W15
NW13
W17
NW16
G20
NW14
G18
NW12
G15
NW9
G12
W10
G14

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Novato / Gnoss Field, CA17 mi42 minW 21 G 2810.00 miFair and Breezy63°F41°F45%1015.2 hPa

Wind History from DVO (wind in knots)
8
PM
9
PM
10
PM
11
PM
-12
PM
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
Last 24hrCalm--W10
G15
E4W8
G17
3CalmCalmCalm4CalmCalmNW12
G20
N6N8NW11N6
G12
SW12SW12
G19
W11W19
G25
W18
G26
W14
G23
W23
G30
1 day ago4
G13
5N7N6NW4CalmSW6SW5SW7CalmNE3SW3CalmSW5SW6SW5W4
G14
SW6
G14
SW8
G17
SW8W11
G17
W9
G16
SW7
G12
NW9
2 days agoW20
G25
W18
G26
W15
G21
W13
G22
W9
G18
W7
G12
W6W8
G15
W8NW10
G18
NW11
G20
Calm6NW10CalmN8NW12W8
G14
W9
G18
W10
G17
SW11
G19
W17
G24
W15
G24
W15
G21

Tide / Current Tables for Inverness, Tomales Bay, California
   EDIT   RT Ports Option   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Inverness
Click for Map
Thu -- 01:05 AM PDT     5.72 feet High Tide
Thu -- 06:19 AM PDT     Sunrise
Thu -- 07:32 AM PDT     Moonrise
Thu -- 08:10 AM PDT     -1.28 feet Low Tide
Thu -- 02:22 PM PDT     4.51 feet High Tide
Thu -- 07:59 PM PDT     Sunset
Thu -- 08:10 PM PDT     1.24 feet Low Tide
Thu -- 09:38 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.35.75.54.63.31.70.2-0.8-1.3-1-01.32.63.84.54.43.93.12.21.51.21.52.33.5

Tide / Current Tables for Point Reyes, California Current
   EDIT      (on/off)   Help   One Week of Data
Point Reyes
Click for Map
Thu -- 12:58 AM PDT     -0.00 knots Slack
Thu -- 04:08 AM PDT     -1.68 knots Max Ebb
Thu -- 06:20 AM PDT     Sunrise
Thu -- 07:33 AM PDT     Moonrise
Thu -- 07:49 AM PDT     0.00 knots Slack
Thu -- 10:50 AM PDT     1.37 knots Max Flood
Thu -- 02:11 PM PDT     -0.00 knots Slack
Thu -- 04:39 PM PDT     -1.09 knots Max Ebb
Thu -- 07:52 PM PDT     0.00 knots Slack
Thu -- 07:59 PM PDT     Sunset
Thu -- 09:39 PM PDT     Moonset
Thu -- 10:47 PM PDT     1.06 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.6-0-0.7-1.4-1.7-1.5-1.1-0.50.10.81.21.41.20.70.1-0.5-1-1.1-0.8-0.40.10.611.1

Weather Map and Satellite Images
       (on/off)   Help
Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of CentralWestCoast    EDIT
Geos

Wind Forecast for San Francisco/Monterey Bay Area, CA (22,6,7,8)
      (on/off)   Help

Ground Weather Radar Station Sacramento, 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.