Saturday, May25, 2019 L-36.com


Marine Weather and Tides
Point Roberts, 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 5:15AMSunset 9:02PM Saturday May 25, 2019 7:54 PM PDT (02:54 UTC) Moonrise 12:59AMMoonset 10:31AM Illumination 54% Phase: Third Quarter Moon; Moon at 22 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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PZZ133 Northern Inland Waters Including The San Juan Islands- 258 Pm Pdt Sat May 25 2019
Tonight..W wind to 10 kt. Wind waves 1 ft or less. A slight chance of showers in the evening.
Sun..NW wind 5 to 15 kt. Wind waves 2 ft or less.
Sun night..W wind 5 to 15 kt becoming se to 10 kt after midnight. Wind waves 2 ft or less.
Mon..N wind to 10 kt becoming sw in the afternoon. Wind waves 1 ft or less.
Mon night..S wind 15 to 25 kt. Wind waves 2 to 4 ft.
Tue..S wind 15 to 25 kt easing to 10 to 20 kt in the afternoon. Wind waves 2 to 4 ft.
Tue night..S wind 10 to 20 kt becoming sw 5 to 15 kt after midnight. Wind waves 1 to 3 ft.
Wed..SW wind 5 to 15 kt. Wind waves 2 ft or less.
Thu..SW wind to 10 kt. Wind waves 1 ft or less.
PZZ100 258 Pm Pdt Sat May 25 2019
Synopsis for the northern and central washington coastal and inland waters..Onshore flow this afternoon will become light tonight through Sunday. Onshore flow will increase again on Monday. Onshore flow will continue through Wednesday.


7 Day Forecast for Marine Location Near Point Roberts, WA
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location: 48.98, -123.08     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 252207
afdsew
area forecast discussion
national weather service seattle wa
307 pm pdt Sat may 25 2019

Synopsis Showers will end this evening as an upper low moves
south of the area. Drier and warmer weather is expected most of
next week with afternoon and evening showers over the cascades
most days.

Short term tonight through Tuesday Showers will end from the
north this evening as an upper low tracking south through the
coastal waters moves south of the area.

The upper low will shift inland over the southwest u.S. Sunday and
Monday with an upper ridge off the coast. Western washington will
be on the northern periphery of the upper low. There will be
enough wrap around moisture and instability for a chance of
afternoon and evening showers and thunderstorms over the cascades
each day with the aid of daytime heating. The low lowlands look
mostly dry although a few showers could drift off the cascades.

A weak upper ridge will shift over the area on Tuesday but it
won't make much difference for the weather. It should be another
mostly sunny day. An isolated showers or thunderstorm could
bubble up over the cascades in the afternoon but the weak high
pressure aloft will probably cap things a bit.

Highs will warm several degrees on Sunday to slightly above
normal and then warm a few more degrees on Monday with lower to
mid 70s common. Highs will cool a few degrees on Tuesday due to
stronger low level onshore flow but remain a little above normal.

Schneider

Long term Wednesday through Saturday It looks like a
decidedly wishy-washy and uneventful pattern Wednesday through
Saturday with a weak upper ridge on Wednesday giving way to a weak
upper trough Thursday and beyond. There won't be any organized
weather systems but an isolated shower can't be ruled out at
times. Temperatures will be a few degrees above normal each day
with not much day to day variation. Schneider

Aviation Southeasterly flow aloft this afternoon will become
easterly tonight as an upper level low slides south of the area.

Surface slow will transition from onshore this afternoon to light
northerly this evening into Sunday.

Cigs are generally MVFR to ifr currently with rain showers around as
the upper level low moves through. Expect CIGS to continue to be
MVFR to ifr through the afternoon with some improvement to CIGS late
evening following 02z. CIGS will likely transition toVFR for a
period tonight before lowering again during the early morning to
MVFR to ifr with some low clouds around the area. Some fog is
possible as well, mainly in prone areas. Southerly winds will
transition to northerly late this afternoon into this evening. Winds
5-10 knots.

Ksea... MVFR CIGS through early this evening as showers continue.

Expect improvement to CIGS toVFR following 04z.VFR CIGS for most
of tonight will lower to MVFR again during the morning hours.

Southerly winds will become northerly between 01z-03z. Winds
generally 5-10 knots. Jd

Marine Surface onshore flow will become light northerly tonight
into Sunday. Small craft advisory winds over the coastal waters
through this evening will ease to below 20 knots tonight. Flow will
be light on Sunday with increasing onshore flow Monday and
continuing through Wednesday. At least SCA level winds expected both
Monday and Tuesday evening in the central and eastern strait of juan
de fuca. Jd

Hydrology The daily hydrology discussion has ended until the
start of the next rainy season; it will only be updated as needed
until then.

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisory until 6 pm pdt this evening for coastal
waters from CAPE flattery to james island 10 to 60 nm-
coastal waters from CAPE flattery to james island out 10 nm-
coastal waters from james island to point grenville 10 to
60 nm-coastal waters from james island to point grenville
out 10 nm-coastal waters from point grenville to cape
shoalwater 10 to 60 nm-coastal waters from point grenville
to CAPE shoalwater out 10 nm.

Small craft advisory for rough bar until 6 pm pdt this evening
for grays harbor bar.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHYW1 - 9449424 - Cherry Point, WA 19 mi37 min 1012.8 hPa
CPMW1 19 mi43 min WNW 5.1 G 6 53°F 53°F
FRDW1 - 9449880 - Friday Harbor, WA 30 mi79 min N 1.9 G 4.1 52°F 51°F1012.4 hPa
46118 32 mi60 min NNW 5.8 54°F 1012.1 hPa51°F
46146 - Halibut Bank 42 mi55 min WSW 3.9 G 5.8 55°F 57°F1 ft1012.4 hPa (-0.3)
46088 - New Dungeness, WA (Hein Bank) 45 mi65 min NNW 3.9 G 5.8 51°F 50°F1012.3 hPa (+0.0)50°F
SISW1 - Smith Island, WA 47 mi65 min NNW 6 G 6 52°F 1012.3 hPa (+0.0)49°F

Wind History for Cherry Point, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Eastsound, Orcas Island Airport, WA21 mi60 minN 08.00 miLight Rain55°F51°F88%1012.2 hPa

Wind History from ORS (wind in knots)
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Last 24hr4S3S4S5S7S7S8S9S8S6S10S8S9S9S7S7CalmNW8NW9NW6NW63NW3NW3
1 day ago--SE6S7S5CalmCalmSE3S4S5CalmS12S11S44S84Calm5CalmNE4CalmW3NW5Calm
2 days agoS7S8SE6SE5S7CalmS4CalmCalmCalmCalmCalm4N44NW5NW5NW6NW7NW6CalmN4S6SE6

Tide / Current Tables for Samuel Island (North Shore), British Columbia
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Samuel Island (North Shore)
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Sat -- 12:36 AM PDT     12.97 feet High Tide
Sat -- 01:58 AM PDT     Moonrise
Sat -- 05:19 AM PDT     Sunrise
Sat -- 11:32 AM PDT     Moonset
Sat -- 04:45 PM PDT     4.53 feet Low Tide
Sat -- 09:00 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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12.912.912.611.911.110.510.19.99.69.398.787.26.25.34.74.5567.28.61011.3

Tide / Current Tables for Boat Passage, British Columbia Current
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Boat Passage
Click for Map
Sat -- 01:12 AM PDT     -3.08 knots Max Ebb
Sat -- 01:58 AM PDT     Moonrise
Sat -- 04:46 AM PDT     0.00 knots Slack
Sat -- 05:19 AM PDT     Sunrise
Sat -- 06:48 AM PDT     1.16 knots Max Flood
Sat -- 09:03 AM PDT     -0.00 knots Slack
Sat -- 11:32 AM PDT     Moonset
Sat -- 12:32 PM PDT     -2.25 knots Max Ebb
Sat -- 03:21 PM PDT     0.00 knots Slack
Sat -- 07:00 PM PDT     3.77 knots Max Flood
Sat -- 09:00 PM PDT     Sunset
Sat -- 10:46 PM PDT     -0.01 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-2.6-3.1-2.9-2-0.90.211.20.80-0.8-1.7-2.2-2.2-1.6-0.50.92.43.43.83.42.51.1-0.3

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.
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Wind Forecast for Seattle, WA (22,6,7,8)
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Ground Weather Radar Station Seattle/Tacoma, WA
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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.