Sunday, April30, 2017 L-36.com


Marine Weather and Tides
Ronald, WA

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 5:44AMSunset 8:14PM Sunday April 30, 2017 9:51 AM PDT (16:51 UTC) Moonrise 8:39AMMoonset 12:00AM Illumination 22% Phase: Waxing Crescent; Moon at 5 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- 857 Am Pdt Sun Apr 30 2017
Today..SW wind 5 to 15 kt. Wind waves 2 ft or less. Showers.
Tonight..NW wind 5 to 15 kt becoming S after midnight. Wind waves 2 ft or less. Showers likely in the evening then a slight chance of showers after midnight.
Mon..SW wind to 10 kt. Wind waves 1 ft or less. A chance of showers in the morning then a slight chance of showers in the afternoon.
Mon night..NW wind to 10 kt in the evening becoming light. Wind waves 1 ft or less.
Tue..Light wind becoming S to 10 kt in the afternoon. Wind waves 1 ft or less.
Tue night..SW wind to 10 kt becoming S 5 to 15 kt after midnight. Wind waves 2 ft or less.
Wed..S wind 5 to 15 kt becoming n. Wind waves 2 ft or less.
Thu..N wind to 10 kt. Wind waves 1 ft or less.
PZZ100 857 Am Pdt Sun Apr 30 2017
Synopsis for the northern and central washington coastal and inland waters..Moderate to strong onshore flow today will start to ease this evening. Weaker onshore flow will generally prevail this week. A front may increase southerly winds over the coastal waters around Tuesday night.

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 301639 aab
afdpdt
area forecast discussion
national weather service pendleton or
940 am pdt Sun apr 30 2017
updated short term discussion and aviation

Update The cold front this morning is not as strong as previously
anticipated... And winds are not expected to increase to advisory
criteria in the lower columbia basin of oregon. Southwest to west
winds will increase to around 20-30 mph gusting to 40 mph... But
gusts to 45-50 mph are not likely. The wind advisory criteria for
this zone was cancelled. All other wind advisories will remain in
effect until 9 pm this evening. Wister

Short term A few updates were made to the forecast to decrease
pops and sky cover for the east slopes of the wa/or cascades and
central oregon... Keeping morning showers confined to the cascade
crest. Pops were also lowered for the blue mtns and the blue mtn
foothills to decrease from numerous to scattered showers along the
blues and decrease from scattered to isolated showers along the
foothills this morning. Minor adjustments were made to the MAX temps
for today. High pressure is building behind the weak cold
front... And showers are tapering off. Winds have increased over most
of the area and is currently very windy in the kittitas valley where
sustained winds are around 25-30 mph. A wind advisory is in effect
for this area until 9 pm. Wind advisories were also issued for the
eastern columbia river gorge, the simcoe highlands, and the oregon
portion of the lower columbia basin. As surface gradients tighten
this afternoon... The winds will likely meet advisory criteria across
the eastern columbia river gorge and in the higher elevations of the
simcoe highlands. Confidence that winds will meet advisory criteria
isn't quite as high for the lower columbia basin but will keep for
now and monitor the winds.

Eastern wa/or will be on the east side of the high pressure ridge
tonight and under a dry northwest flow aloft. Expect a chilly
night with lows in the upper 20s to upper 30s. Wister

Aviation 12z tafs (previous discussion)...VFR conditions are
forecast to prevail at all terminals in the forecast area over the
next 24 hours. A weather system is bringing sct to bkn mid level
clouds mainly between 4k to 8k ft agl to the area this morning.

Light rain showers are also falling INVOF kpdt and ESP kalw.

Showers will taper off and end by daybreak with clouds decreasing
and becoming few to sct through the day. Skies will be mostly
clear this evening and through the overnight hours with just a
few/sct mid and high level clouds around.

Winds will increase quickly and significantly later this morning (15-
18z) behind a departing cold front. Westerly winds between 15 to 25
kts are expected at most locations... With gusts up to 30-35 kts at
times... .Especially at kdls and kpdt. Winds will peak in the early
to mid-afternoon hours before gradually diminishing toward evening.

Winds will decrease to mainly AOB 12 kts after 01/04-08z. 77

Preliminary point temps/pops
Pdt 61 37 59 41 / 10 0 10 20
alw 64 42 62 45 / 10 10 10 20
psc 67 39 65 40 / 10 0 10 10
ykm 63 37 62 40 / 0 10 10 10
hri 64 38 63 42 / 10 0 10 10
eln 57 37 58 38 / 10 10 10 10
rdm 59 29 59 38 / 10 0 20 10
lgd 59 36 57 40 / 40 10 20 20
gcd 59 33 57 39 / 20 10 20 20
dls 60 41 62 44 / 10 10 20 10

Pdt watches/warnings/advisories
Or... Wind advisory until 9 pm pdt this evening for orz041.

Wa... Wind advisory until 9 pm pdt this evening for waz024-026-521.

85/


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCNW1 - 9446484 - Tacoma, WA 71 mi51 min 51°F 46°F1024.4 hPa (+1.9)
TCMW1 - 9446482 - Tacoma Met, WA 71 mi51 min WSW 8 G 11
EBSW1 - 9447130 - Seattle, WA 71 mi51 min Calm G 1 47°F 48°F1024.1 hPa (+2.1)

Wind History for Seattle, Puget Sound, WA, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Stampede Pass, WA14 mi1.9 hrsW 8 G 170.25 miLight Snow Fog33°F33°F100%1020.3 hPa

Wind History from SMP (wind in knots)
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Last 24hr4CalmCalm333CalmW7
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1 day ago533Calm65W74444W6W3SW33SW3W453SW44SW3SW33
2 days agoW7W7
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--Calm45546665SW755454Calm

Tide / Current Tables for Des Moines, Washington
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Des Moines
Click for Map
Sun -- 12:17 AM PDT     Moonset
Sun -- 02:38 AM PDT     5.82 feet Low Tide
Sun -- 05:53 AM PDT     Sunrise
Sun -- 07:45 AM PDT     11.03 feet High Tide
Sun -- 09:44 AM PDT     Moonrise
Sun -- 02:51 PM PDT     -1.89 feet Low Tide
Sun -- 08:19 PM PDT     Sunset
Sun -- 10:09 PM PDT     12.19 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
97.265.96.78.19.610.71110.28.45.93.10.5-1.3-1.9-0.91.24.17.19.711.512.211.9

Tide / Current Tables for Duwamish Waterway, Washington
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Duwamish Waterway
Click for Map
Sun -- 12:17 AM PDT     Moonset
Sun -- 02:41 AM PDT     5.48 feet Low Tide
Sun -- 05:53 AM PDT     Sunrise
Sun -- 07:41 AM PDT     10.39 feet High Tide
Sun -- 09:44 AM PDT     Moonrise
Sun -- 02:54 PM PDT     -1.78 feet Low Tide
Sun -- 08:20 PM PDT     Sunset
Sun -- 10:05 PM PDT     11.48 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
8.46.85.75.56.37.79.110.110.39.57.95.630.5-1.2-1.8-0.91.13.86.79.210.911.511.1

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

GOES Local Image of PacificNorthwest    EDIT
Geos

Wind Forecast for Pendleton, OR (12,3,4,5)
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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.