Wednesday, September26, 2018 L-36.com


Marine Weather and Tides
Caspar, CA

Version 3.4
What's New / NOTES
9/17/2018 XTide broke when 1and1 "upgraded" my server. It has been esculated. I am sorry for the problem.

Sunrise 7:03AMSunset 7:03PM Wednesday September 26, 2018 4:04 AM PDT (11:04 UTC) Moonrise 7:24PMMoonset 7:33AM Illumination 97% Phase: Waning Gibbous; Moon at 16 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
PZZ455 Cape Mendocino To Pt Arena Out 10 Nm- 218 Am Pdt Wed Sep 26 2018
Today..W winds 5 kt. Waves nw 5 ft at 12 seconds. Areas of fog.
Tonight..N winds 5 to 10 kt. Waves nw 4 ft at 11 seconds.
Thu..SW winds 5 kt. Waves nw 4 ft at 9 seconds. Patchy fog.
Thu night..SW winds 5 kt. Waves nw 4 ft at 9 seconds.
Fri..SW winds 5 to 10 kt. Waves nw 3 ft at 8 seconds.
Sat..SE winds 5 to 10 kt. Waves S 3 ft at 5 seconds...and N 3 ft at 10 seconds.
Sun..SE winds 5 to 10 kt. Waves se 4 ft at 5 seconds...and S 3 ft at 17 seconds.
PZZ400 218 Am Pdt Wed Sep 26 2018
Synopsis for northern california waters..Winds and seas will continue to diminish this week. A southerly swell will gradually build this weekend.


7 Day Forecast for Marine Location Near Caspar, CA
   Hourly   EDIT   Help
location: 39.35, -123.83     debug


Area Discussion for - Eureka, CA
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus66 keka 261042
afdeka
area forecast discussion
national weather service eureka ca
342 am pdt Wed sep 26 2018

Synopsis Hot afternoon temperatures will occur across the
interior today and Thursday. Meanwhile, the coast will experience
cooler conditions due to the return of a marine airmass.

Otherwise, showers and cooler weather appear likely this weekend.

Discussion Weak surface low pressure was positioned offshore
from nwrn ca Wednesday morning. Modest low-level southerlies have
developed along the eastern periphery of the low, which is aiding
in stratus spreading northward along the coast. The stratus layer
is very shallow, and in some ways is behaving like a fog layer,
with visibilities locally restricted to a quarter mile in the
vicinity of humboldt bay. Given the shallow nature of the
stratus fog, burn-off will be probable by late morning, which will
favor afternoon temperatures in the 60s to low 70s along the
coast. Farther inland, a very warm antecedent airmass will yield
highs in the 90s today, and again on Thursday. In addition,
weak offshore flow over del norte county will cause smoke from
the natchez fire to spread west across crescent city.

Meanwhile, an upper-low was positioned west of ca, and its
eastward progress is presently being blocked by an upper ridge
located over the west coast. However, model guidance shows the
upper ridge breaking down during the next 48 hours, which will
allow the upper low to move east toward nwrn ca. Latest model
output is in good agreement bringing the low onshore over far swrn
or nwrn ca during Saturday afternoon evening. As that takes place,
scattered shower development will be probable. In addition,
midlevel temperatures at or below -16 c will yield steepening
lapse rates and modest but sufficient CAPE for possible
thunderstorms (mainly over humboldt and del norte counties).

After Saturday, upper troughing will continue over the region
Sunday into early next week... And may include the passage of
another cold upper low during Monday afternoon evening.

Regardless, current model guidance indicates cooler conditions
with occasional showers will be favored through at least Tuesday.

Aviation Southerly surge of stratus that began yesterday
evening has made it all the way up the coast with ifr lifr
ceilings and visibilities present at all coastal terminals. As we
progress through the morning and into the early afternoon seems
reasonable that the stratus will retreat to the coastline allowing
for improved conditions at most coastal terminals. However, cec
will still have decreased visibilities and smoke layers keeping at
least MVFR conditions present. This evening expect the stratus to
move back inland however visibilities should be a bit higher this
evening compared to yesterday. Wci

Marine Northerly winds and seas continue to diminish today
across the outer waters therefore all marine hazards have been
allowed to expire. The winds will remain fairly light through the
remainder of the forecast period with winds becoming southerly
across the entire area late this week. A periodic SW swell at
around 16 seconds will continue to move through the waters through
next week. This swell will continue to build eventually exceeding
5 feet across the southern waters by late this weekend. Wci

Eka watches warnings advisories
Ca... None.

Northwest california coastal waters... None.

Visit us at http:

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
46263 5 mi34 min 56°F7 ft
46014 - PT ARENA - 19NM North of Point Arena, CA 11 mi24 min Calm G 1.9 50°F 56°F1015 hPa50°F
ANVC1 - 9416841 - Arena Cove, CA 31 mi34 min SE 1 G 2.9 49°F 52°F1016 hPa

Wind History for Arena Cove, CA
(wind in knots)    EDIT      (on/off)   Help
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
1
AM
2
AM
3
AM
Last
24hr
E5
G8
E6
E5
G8
E6
G9
E6
G9
SE4
G7
E2
SW3
G7
SW7
G11
S9
G13
SW3
G11
S8
G13
SW5
G9
SW3
G8
S5
W1
W2
W1
SE1
SE2
S1
E2
G5
S2
E1
1 day
ago
E5
E5
E4
E3
E3
S2
S4
S5
G8
S7
G10
SW4
G8
S5
S4
G7
SW5
G8
S4
SW1
G4
SW1
SE1
SE2
E1
G4
NE1
E2
G5
E3
G6
E5
G8
E6
G9
2 days
ago
W2
G5
NW3
G8
NW4
G7
NW3
G6
NW5
G8
NW5
G10
NW10
G13
NW12
G17
NW8
G16
NW9
G15
NW4
G11
NW7
G16
NW6
G15
NW5
G11
NW3
G8
S2
SE1
SW2
G5
NE1
G5
NE3
G8
E3
G6
NE3
E2

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ukiah Municipal Airport, CA36 mi68 minN 010.00 miFair55°F37°F53%1014.4 hPa

Wind History from UKI (wind in knots)
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
1
AM
2
AM
3
AM
Last 24hrCalmCalmCalmCalmCalmCalmCalm3CalmCalmCalmSE3NW86E3CalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoCalmSE3CalmCalmCalmCalmCalmCalmCalmCalmCalmE4NE4NW8NW4CalmNW4CalmCalmCalmCalmCalmCalmCalm
2 days agoCalmCalmCalmCalmCalmCalmCalm3SW44N66NW10
G15
SW6N7N4CalmCalmCalmCalmCalmSE3CalmCalm

Tide / Current Tables for Mendocino, Mendocino Bay, California
   EDIT   RT Ports Option   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Point Cabrillo, California Current
   EDIT      (on/off)   Help   One Week of Data
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


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 Eureka, CA (7,2,3,4)
      (on/off)   Help

Ground Weather Radar Station Eureka, 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.