Monday, June26, 2017 L-36.com


Marine Weather and Tides
Bayview, CA

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
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.

Sunrise 5:45AMSunset 8:53PM Monday June 26, 2017 3:35 PM PDT (22:35 UTC) Moonrise 7:51AMMoonset 10:11PM Illumination 8% Phase: Waxing Crescent; Moon at 3 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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This is a Weather Statement Zone, please check the Date to see if it has expired
PZZ410 1227 pm pdt Wed apr 19 2017 a marine weather statement has been issued for the following areas... Coastal waters from cape mendocino to pt. Arena ca out 10 nm... Coastal waters from pt. St. George to cape mendocino ca out 10 nm... Humboldt bay bar... Waters from cape mendocino to pt. Arena ca from 10 to 60 nm... Waters from pt. St. George to cape mendocino ca from 10 to 60 nm... Scattered Thunderstorms will continue to develop through 3 pm. The main storm hazards will be dangerous cloud to water lightnig...wind gusts to 40 knots or more...small hail...and waterspouts. Precautionary/preparedness actions... Water spouts are possible along with stronger Thunderstorms...locally higher waves...and lightning strikes. Boaters should seek safe harbor immediately until these storms pass.ground mariners can expect gusty winds to around 30 knots...locally higher waves...and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. && lat...lon 4174 12417 4156 12410 4150 12398 4153 12407 4154 12408 4089 12413 4076 12423 4087 12414 4085 12409 4083 12408 4065 12431 4060 12416 4051 12413 4063 12432 4043 12441 4044 12581 4129 12555 4168 12568 4178 12579
PZZ400 223 Pm Pdt Mon Jun 26 2017
Synopsis for northern california waters..Light winds and low seas will continue through Tuesday morning. Conditions will quickly change as high pressure generates a fresh north wind across the outer waters beginning on Tuesday afternoon. Large steep waves and occasional gale force wind gusts will be possible through the second half of the week.

7 Day Forecast for Marine Location Near Bayview, CA
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location: 40.78, -124.2     debug


Area Discussion for - Eureka, CA
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Fxus66 keka 262206
afdeka
area forecast discussion
national weather service eureka ca
306 pm pdt Mon jun 26 2017

Synopsis Isolated thunderstorms over the interior through this
evening, then once again tomorrow afternoon. After that, returning
to typical summer pattern of mostly dry conditions. Warm
temperatures will return to inland areas by Wednesday and persist
through the weekend. Marine stratus continuing along the coast
during the overnight hours through rest of this week.

Discussion Overnight last night, convection was impacting del
norte and trinity counties. Around 50 strikes were detected by the
lightning network in del norte county, which was fairly impressive.

Small hail were also reported in trinity county. These convections
dissipated late overnight.

We started this morning with widespread marine stratus. By this
afternoon, the marine stratus is braking up pretty good, especially
from eureka point south. Do expect the marine stratus to persist
north of humboldt bay through tonight. For areas south of humboldt
bay, there is a break in the sky cover. Do expect some afternoon sun
before the marine stratus creeps back in this evening.

Over the inland area, cumulus and weak convection is trying to
develop as a weak mid-level disturbance is making landfall over sw
oregon coast. For this afternoon, there will be up to 1500 j kg of
mucape with LI as low as -3c. However, proximity sounding shows that
there is a conditional stable layer in the lower part of the
atmosphere. Air parcel will have to overcome that before it can get
to the level of free convection. Think that the threat of
thunderstorm is very marginal for this afternoon into this evening.

However, it cannot be ruled out at this time. Thus, have included
eastern del norte and northern trinity county in the isolated
thunderstorm area.

On Tuesday afternoon, another weak upper level disturbance will
try to make its way across NW california. This feature will
trigger isolated thunderstorms over the interior, similar to the
area being affected today.

Starting on Wednesday, looks like the ridge of high pressure will
finally establish itself over east pacific ocean, and this will
bring in the typical summer weather pattern to NW california.

Temperatures inland will warm up to the 90s, while coastal areas
will remain in the 60s. Marine stratus will be impacting the coastal
area during the overnight hours through this week.

Marine Light winds and low seas will continue into tonight into
Tuesday morning. However, this will change by Tuesday afternoon. We
will return to a strong northerly wind regime as the east pacific
high re-establishes itself. With tight northerly pressure gradient,
the strong northerly wind regime will persist through most of the
week. Gale force wind gusts will be likely starting middle of the
work week.

Forecast is still on track. Little changes were made to the previous
forecast package. GFS is used to update the forecast package.

Aviation A deep marine layer continued today, stretching
extensively into the coastal river valleys. Although the marine
layer is quite prevalent, brief periods of sunshine was occurring
along portions of the north coast by mid-afternoon. The stratus
deck has been enhanced by mid- level troughing... With the layer
penetrating inland as far as uki. Previous discussion: "stubborn
clouds should stick around through most of the day. Ifr to lifr
conditions will return to the coast tonight but troughing aloft
will help keep the marine layer deep and thus visibility should
remain higher". Model guidances generally agree that marine clouds
will spill over into the coastal valleys again Tuesday, thus
allowing for some morning clouds... Including uki. However, overall
cloudiness may not be quite as extensive as this morning. Ta

Eka watches warnings advisories
Ca... None.

Northwest california coastal waters... Small craft advisory from 9 pm Tuesday to 3 am pdt Friday for
pzz470-475.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
HBYC1 - 9418767 - North Spit, CA 1 mi60 min W 8.9 G 8.9 56°F 55°F1018.3 hPa
46244 - Humboldt Bay, North Spit, CA 12 mi45 min 58°F3 ft
46022 - EEL RIVER - 17NM West-Southwest of Eureka, CA 18 mi46 min WSW 5.8 G 7.8 58°F 57°F4 ft1017.7 hPa (+0.0)55°F
46213 - Cape Mendocino, CA (094) 44 mi44 min 54°F5 ft

Wind History for North Spit, Humboldt Bay, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Arcata / Eureka, Arcata Airport, CA15 mi43 minWNW 510.00 miOvercast64°F55°F73%1018.3 hPa
Fortuna Rohnerville Airport, CA16 mi61 minNW 910.00 miOvercast66°F55°F68%1017.6 hPa

Wind History from ACV (wind in knots)
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Last 24hrW5SW3W3W3NW3CalmCalmCalmCalmCalmCalmCalmN3CalmCalmCalmW3W3CalmCalmW5W6NW4W5
1 day agoW6W6NW4W4W3CalmN3CalmCalmCalmCalmS4S3NE3CalmSW4W3SW6SW4SW6SW5W7W6W6
2 days agoW5W5SW5W4CalmCalmCalmCalm--CalmCalmS3CalmCalmCalmCalmCalmCalmW5W6W6W7W6NW5

Tide / Current Tables for Bucksport, Humboldt Bay, California
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Bucksport
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Mon -- 01:44 AM PDT     8.17 feet High Tide
Mon -- 05:47 AM PDT     Sunrise
Mon -- 08:40 AM PDT     -1.79 feet Low Tide
Mon -- 08:50 AM PDT     Moonrise
Mon -- 03:35 PM PDT     6.38 feet High Tide
Mon -- 08:37 PM PDT     2.71 feet Low Tide
Mon -- 08:52 PM PDT     Sunset
Mon -- 11:11 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
7.188.17.563.91.6-0.4-1.5-1.7-10.52.34.15.56.26.35.74.73.62.82.83.34.4

Tide / Current Tables for Mad River Slough, Arcata Bay, Humboldt Bay, California
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Mad River Slough
Click for Map
Mon -- 02:09 AM PDT     8.83 feet High Tide
Mon -- 05:46 AM PDT     Sunrise
Mon -- 08:50 AM PDT     Moonrise
Mon -- 08:54 AM PDT     -2.03 feet Low Tide
Mon -- 03:52 PM PDT     6.88 feet High Tide
Mon -- 08:52 PM PDT     Sunset
Mon -- 08:55 PM PDT     2.43 feet Low Tide
Mon -- 11:11 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
7.18.38.88.57.152.50.1-1.5-2-1.401.93.85.56.66.96.35.23.92.82.42.94

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 (18,4,5,8)
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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.