Friday, March22, 2019 L-36.com


Marine Weather and Tides
Ronald, WA

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:59AMSunset 7:18PM Friday March 22, 2019 7:03 AM PDT (14:03 UTC) Moonrise 8:39PMMoonset 7:19AM 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
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PZZ135 Puget Sound And Hood Canal- 421 Am Pdt Fri Mar 22 2019
.small craft advisory in effect from 2 pm pdt this afternoon through late tonight...
Today..S wind 5 to 15 kt rising to 15 to 25 kt in the afternoon. Wind waves 2 ft or less building to 2 to 4 ft in the afternoon. A chance of rain in the afternoon.
Tonight..S wind 15 to 25 kt. Wind waves 2 to 4 ft. Rain likely in the evening then a slight chance of showers after midnight.
Sat..S wind 5 to 15 kt becoming to 10 kt in the afternoon. Wind waves 2 ft or less. A slight chance of showers in the morning then a chance of showers in the afternoon.
Sat night..NW wind 5 to 15 kt becoming to 10 kt after midnight. Wind waves 2 ft or less.
Sun..S wind to 10 kt. Wind waves 1 ft or less.
Sun night..N wind to 10 kt becoming 5 to 15 kt after midnight. Wind waves 2 ft or less.
Mon..NE wind to 10 kt becoming S 5 to 15 kt. Wind waves 2 ft or less.
Tue..Light wind. Wind waves less than 1 ft.
PZZ100 421 Am Pdt Fri Mar 22 2019
Synopsis for the northern and central washington coastal and inland waters..A front will affect area waters today with strengthening southerly winds most waters and onshore flow through the strait. Significant westerly swell will also affect the coastal waters and west entrance to the strait of juan de fuca tonight through Saturday.


7 Day Forecast for Marine Location Near Ronald, WA
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location: 47.25, -121.08     debug


Area Discussion for - Pendleton, OR
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Fxus66 kpdt 221117 aaa
afdpdt
area forecast discussion
national weather service pendleton or
420 am pdt Fri mar 22 2019
updated aviation discussion

Short term
Friday through Sunday... Today looks to be quiet and dry, then a
weak system approaches from the west for tonight. Most of the
guidance brings some precipitation to central oregon, though the
amounts are fairly light, then the system fizzles out as it moves
eastward. Another weak low then approaches the southwestern oregon
coast on Saturday and increases moisture from the south during the
day on Saturday. There is a better chance of precipitation, mainly
valley rain and mountain snow. However, once again, amounts aren't
all that high, but will have to monitor to see if there will be a
need for any winter headlines especially over the eastern areas.

This system begins to clear out Saturday night from west to east,
with a dry weather returning to all but the extreme northeastern
sections on Sunday.

Long term
Sunday night through Thursday... Deterministic models are in
general agreement with the broad upper level trough off the
eastern pacific and the pacific nw, but there are subtle
differences with the individuals waves embedded in the trough.

Models are consistent with the dry forecast Sunday night followed
by a strong negative tilt trough Monday and Monday night.

Scattered to numerous showers are forecast for Monday with snow
above 4000 feet. At this time 1-4 inches are expected above 4000
feet. The shortwave and surface cold front will lift north and out
of the region early Tuesday morning. A moist southwest flow aloft
ahead of the trough will bring a chance of rain and snow (snow
levels around 3500-4000 feet) Tuesday and Tuesday night, mainly
across eastern oregon. Another shortwave trough with a slight
negative tilt is progged to travel across oregon on Wednesday with
rain and snow likely over the oregon zones and a chance of rain
and snow over eastern washington. Snow levels will remain around
3500-4000 feet, and at least several inches of snow are possible
over the mountains. Thursday is looking cool and unsettled as the
forecast area remains under the influence of the upper level
trough and cyclonic flow aloft. Afternoon temperatures will
generally range from the upper 40s to upper 50s during the
extended, and overnight lows in the mid 20s to upper 30s. These
temperatures are near to below average from this time of the
season. Wister

Aviation
12z tafs... A decaying front will bring light rain to our western taf
sites late this afternoon and evening--rdm, bdn, and dls--and these
airports may briefly lower fromVFR to MVFR. There is a slight
chance of light rain to the other TAF sites this evening but
conditions should remainVFR. Variable clouds AOA 4k feet agl can
be expected for the next 24 hours, and winds will be less than 15
knots from the southwest (nw at dls). Wister

Preliminary point temps pops
Pdt 61 42 53 38 10 30 20 30
alw 62 42 54 40 0 20 20 30
psc 61 43 57 39 0 10 10 20
ykm 61 38 55 32 10 20 10 10
hri 64 43 57 38 0 20 10 20
eln 58 35 52 30 10 30 10 10
rdm 52 33 47 29 30 30 30 30
lgd 57 37 47 33 10 50 40 50
gcd 57 35 44 32 10 70 50 40
dls 58 39 54 35 20 30 20 10

Pdt watches warnings advisories
Or... None.

Wa... None.

77 85 85


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCMW1 - 9446482 - Tacoma Met, WA 71 mi34 min Calm G 1
TCNW1 - 9446484 - Tacoma, WA 71 mi34 min 47°F 48°F1014.7 hPa

Wind History for Seattle, Puget Sound, WA, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Stampede Pass, WA14 mi2.1 hrsVar 30.25 miFog37°F35°F93%1013.3 hPa

Wind History from SMP (wind in knots)
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Last 24hrCalmCalmSW3SW5W65655W76W7--SW7443W356NW4Calm33
1 day ago3545546535Calm3Calm3Calm443NE3E3CalmCalmCalmCalm
2 days ago33364644564Calm354334Calm--33Calm3

Tide / Current Tables for Des Moines, Washington
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Des Moines
Click for Map
Fri -- 12:25 AM PDT     0.89 feet Low Tide
Fri -- 06:44 AM PDT     12.71 feet High Tide
Fri -- 07:08 AM PDT     Sunrise
Fri -- 08:23 AM PDT     Moonset
Fri -- 01:03 PM PDT     1.22 feet Low Tide
Fri -- 07:10 PM PDT     11.51 feet High Tide
Fri -- 07:25 PM PDT     Sunset
Fri -- 09:45 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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11.12.75.28.110.712.312.711.79.774.221.21.93.76.28.810.711.511.19.77.55

Tide / Current Tables for Duwamish Waterway, Washington
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Duwamish Waterway
Click for Map
Fri -- 12:28 AM PDT     0.84 feet Low Tide
Fri -- 06:40 AM PDT     11.97 feet High Tide
Fri -- 07:08 AM PDT     Sunrise
Fri -- 08:23 AM PDT     Moonset
Fri -- 01:06 PM PDT     1.15 feet Low Tide
Fri -- 07:06 PM PDT     10.84 feet High Tide
Fri -- 07:25 PM PDT     Sunset
Fri -- 09:45 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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112.54.97.710.211.711.9119.16.53.921.21.73.55.98.310.110.810.49.174.8

Weather Map and Satellite Images
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wmap_P
GOES Local Image of PacificNorthwest    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 Pendleton, OR (10,2,3,4)
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Ground Weather Radar Station Seattle/Tacoma, WA
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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.