Saturday, April29, 2017 L-36.com


Marine Weather and Tides
Fort Bragg, 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 6:13AMSunset 8:06PM Saturday April 29, 2017 8:18 PM PDT (03:18 UTC) Moonrise 8:15AMMoonset 11:00PM Illumination 17% Phase: Waxing Crescent; Moon at 4 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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PZZ455 Cape Mendocino To Pt Arena Out 10 Nm- 257 Pm Pdt Sat Apr 29 2017
Tonight..NW winds 15 to 25 kt with gusts to around 35 kt. Waves N 7 ft at 7 seconds...and nw 3 ft at 11 seconds.
Sun..NW winds 10 to 20 kt with gusts to around 30 kt. Waves N 6 ft at 6 seconds...and nw 3 ft at 14 seconds.
Sun night..N winds 10 to 20 kt. Gusts up to 30 kt. Waves N 4 ft at 5 seconds...and nw 3 ft at 13 seconds.
Mon..N winds 10 to 20 kt. Waves N 4 ft at 5 seconds...and nw 4 ft at 13 seconds.
Mon night..NW winds 10 to 20 kt. Waves N 5 ft at 6 seconds... And nw 4 ft at 12 seconds.
Tue..N winds 15 to 20 kt. Waves N 6 ft at 6 seconds...and nw 3 ft at 10 seconds.
Wed..NW winds 5 to 15 kt. Waves N 4 ft at 5 seconds...and nw 4 ft at 14 seconds.
Thu..NW winds 5 to 15 kt. Waves nw 8 ft at 13 seconds.
PZZ400 257 Pm Pdt Sat Apr 29 2017
Synopsis for northern california waters..Moderate northerly breezes will continue through the middle of the week across the waters...with gusts approaching 25 kt from cape mendocino southwards and lower wind speeds elsewhere. Winds and seas are expected to increase Friday and beyond.

7 Day Forecast for Marine Location Near Fort Bragg, CA
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location: 39.42, -123.8     debug


Area Discussion for - Eureka, CA
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Fxus66 keka 292246
afdeka
area forecast discussion
national weather service eureka ca
346 pm pdt Sat apr 29 2017

Synopsis A weakening frontal boundary will impact far
northwestern california during Sunday morning, resulting in some
light rain or drizzle for locations north of fortuna. Dry weather
and moderating temperatures will then prevail over much of the
region during the new work week.

Discussion A weak frontal boundary moving by to the north of
the area and squashing down the ridge will bring the chance for
some drizzle or light rain late tonight into Sunday morning. Nam
soundings tend to lean more towards drizzle so will have changed
the forecast to drizzle. Farther south and east there will likely
be some clouds and slightly increased mixing. This should limit
the potential for frost tonight. Sunday afternoon skies are
expected to clear and northerly winds will increase once again.

There will be the potential for frost Sunday night, especially in
trinity county. Temperatures aloft are similar to this morning
when frost occurred in some of the colder valleys. There may be
some lingering stratus around humboldt bay, but this is expected
to clear up fairly quickly Monday morning with some weak offshore
flow.

Tuesday high pressure continues to build over the area with the
upper level ridge axis just off the coast. Inland temperatures
will continue to warm and the coast may see some warming, although
the moderate to strong northerly winds will limit that potential.

Tuesday night the frost threat should diminish as temperatures
aloft warm considerably. Wednesday the ridge axis will push past
the coast. Inland this is expected to be the warmest day, however
at the coast the flow is expected to turn more onshore and
temperatures and there is an increased likelihood of coastal
stratus. Thursday the ridge continues to edge off to the east.

This will bring the potential for some showers over trinity
county with a slight chance for thunderstorms. There is adequate
cape, but the mid level lapse rates are only around 6.5 c/kg and
is often a limiting factor. The GFS shows a trough approaching
the area on Friday and bring showers and cooler weather, although
confidence is low on this. Mkk

Marine Persistent offshore high pressure will maintain moderately
breezy northerly winds across the waters through at least the middle
of the week. Winds throughout the region currently range between
around 10 kt in near-shore areas north of CAPE mendocino, to near 25
kt from CAPE mendocino southwards... Particularly near the lost
coast. This pattern will continue for several days with generally
minor fluctuations, maintaining moderately choppy seas ranging from
around 4 to 6 feet north of the CAPE to 6-9 ft south of the cape.

Towards the end of the work week a weak cold front will pass through
the waters, and as this front passes, even deeper high pressure will
build across the pacific. As a result, winds will likely increase
yet again, potentially to near gale strength at times. /bc

Aviation Vfr conditions are expected to continue at all
terminals through the early evening. By late evening, shallow
stratus may develop along the coast, with highest confidence near
humboldt bay as was seen earlier this morning. Should this early
stratus develop, periodic ifr ceilings will be possible. Later
tonight, a weak cold front will result in widespread lowering
ceilings, and perhaps some drizzle along the coast. The primary
concern with this later activity will be lowering ceilings, as ifr
conditions are likely to develop for a few hours both cec and acv
near sunrise.VFR conditions will likely return to the coast by
late morning.VFR conditions are expected at uki for the next 24
hours. /brc

Eka watches/warnings/advisories
Ca... None.

Northwest california coastal waters...

small craft advisory until 5 am pdt Wednesday for pzz475.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46014 - PT ARENA - 19NM North of Point Arena, CA 16 mi39 min NNW 16 G 19 54°F 1021.5 hPa49°F
ANVC1 - 9416841 - Arena Cove, CA 35 mi49 min WNW 6 G 8.9 55°F 49°F1021.8 hPa

Wind History for Arena Cove, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ukiah, Ukiah Municipal Airport, CA37 mi23 minNNW 710.00 miFair69°F28°F22%1019 hPa

Wind History from UKI (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmE3CalmCalmCalmCalmNW3NW3CalmCalmN6NW8
G15
N7NW9N7N6N7
1 day agoNW8N5S4CalmCalmCalmCalmW3W4CalmCalmCalmNE4W3CalmNW12NW11
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NW93NW8NW9NW5SW3
2 days agoNW5CalmN3CalmCalmCalmCalmCalmCalmCalmCalmCalm34N8NW6
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Tide / Current Tables for Noyo River, California
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Noyo River
Click for Map
Sat -- 01:20 AM PDT     6.50 feet High Tide
Sat -- 06:18 AM PDT     Sunrise
Sat -- 08:21 AM PDT     -1.44 feet Low Tide
Sat -- 09:15 AM PDT     Moonrise
Sat -- 03:05 PM PDT     4.66 feet High Tide
Sat -- 08:05 PM PDT     2.07 feet Low Tide
Sat -- 08:07 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.96.56.35.542.30.6-0.7-1.4-1.3-0.50.72.23.54.34.74.43.832.42.12.333.9

Tide / Current Tables for Point Cabrillo, California Current
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Point Cabrillo
Click for Map
Sat -- 01:56 AM PDT     -0.00 knots Slack
Sat -- 05:18 AM PDT     -1.62 knots Max Ebb
Sat -- 06:18 AM PDT     Sunrise
Sat -- 09:07 AM PDT     0.00 knots Slack
Sat -- 09:16 AM PDT     Moonrise
Sat -- 12:10 PM PDT     1.25 knots Max Flood
Sat -- 03:40 PM PDT     -0.00 knots Slack
Sat -- 05:56 PM PDT     -0.82 knots Max Ebb
Sat -- 08:07 PM PDT     Sunset
Sat -- 09:08 PM PDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.80.5-0-0.7-1.3-1.6-1.5-1.1-0.6-0.10.511.21.20.90.4-0.2-0.7-0.8-0.7-0.4-0.10.30.7

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of CentralWestCoast    EDIT
Geos

Wind Forecast for Eureka, CA (23,6,7,8)
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Ground Weather Radar Station Eureka, CA
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weather_mapweather_map weather_map

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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.