Wednesday, July17, 2019 L-36.com


Marine Weather and Tides
Point Roberts, WA

Version 3.4
NOTICE
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 5:24AMSunset 9:12PM Wednesday July 17, 2019 9:21 AM PDT (16:21 UTC) Moonrise 8:59PMMoonset 5:04AM Illumination 100% Phase: Full Moon; Moon at 15 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
    EDIT      (on/off)   Help
PZZ133 Northern Inland Waters Including The San Juan Islands- 829 Am Pdt Wed Jul 17 2019
.small craft advisory in effect through this evening...
Today..S wind 15 to 25 kt. Wind waves 2 to 4 ft. Rain in the morning then rain likely in the afternoon.
Tonight..SW wind 15 to 25 kt. Wind waves 2 to 4 ft. A slight chance of rain in the evening.
Thu..SW wind 10 to 20 kt. Wind waves 1 to 3 ft. A chance of showers in the morning then a slight chance of showers in the afternoon.
Thu night..SW wind 10 to 20 kt. Wind waves 1 to 3 ft.
Fri..W wind 5 to 15 kt becoming sw to 10 kt in the afternoon. Wind waves 2 ft or less.
Fri night..S wind 15 to 25 kt. Wind waves 2 to 4 ft.
Sat..W wind 5 to 15 kt. Wind waves 2 ft or less.
Sun..W wind to 10 kt. Wind waves 1 ft or less.
PZZ100 829 Am Pdt Wed Jul 17 2019
Synopsis for the northern and central washington coastal and inland waters..A front will move through western washington today with small craft advisory strength southerly winds over most waters. Westerly gales will develop behind the front in the strait of juan de fuca tonight. Weak high pressure will build toward the area over the weekend.


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


Area Discussion for - Seattle, WA
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus66 ksew 171553
afdsew
area forecast discussion
national weather service seattle wa
900 am pdt Wed jul 17 2019

Synopsis A frontal system will move through western washington
this afternoon and evening. A puget sound convergence zone is likely
to form behind the front. An upper level trough over british
columbia will keep a mention of showers in the forecast through
Thursday night. A drying and warming trend will begin Friday and
continue into the weekend.

Short term today through Friday Warm frontal precipitation
dropped several hundredths of an inch of rain over northwest
washington this morning, from north seattle to bellingham. Only a
trace or less fell over a large area from ksea to kolm, so evidently
there was something of a rain shadow in play. A cold front will
follow this afternoon, giving most places another shot at receiving
measurable rain. The mountains and coast as usual will get the most
rain. Showers will continue tonight, especially in the mountains
and in a convergence zone. QPF through 12z Thursday is around an
inch in the mountains, a half inch on the coast, and 0.2 inch or
less elsewhere. Highs today will be in the 60s.

The convergence zone will dissipate Thursday morning. Zonal flow
aloft will keep seattle mostly dry Thursday, with scattered showers
elsewhere. Highs will still be below normal Thursday, in the mid 60s
to lower 70s. A weak upper level trough will develop Thursday night
and move east Friday. As the trough exits, shower chances will
eventually go away and cloud cover will slowly decrease to the point
of partly to mostly sunny skies Friday afternoon. Highs will start
to warm up a little with mid 60s to mid 70s Friday. Burke felton

Long term Saturday through Tuesday Previous discussion...

extended models in good agreement with the upper level trough
kicking out to the east and a weak ridge moving through the area
Saturday. Four corners high beginning to build back to the northwest
with another upper level trough digging off the coast Sunday through
Tuesday. The trough is far enough to the west to keep any mention of
showers out of the forecast. Southwesterly flow aloft with 500 mb
heights rising into the lower 580 dms. Varying degrees of low level
onshore flow will keep temperatures from getting too warm Sunday
through Tuesday. An increase in onshore flow Tuesday will cool highs
back down into the upper 60s to upper 70s from the 70s to lower to
mid 80s readings Sunday and Monday. Felton

Aviation A front is moving through western washington today. The
air is moist and stable with widespread MVFR CIGS and local ifr
conditions in the rain. The mountains and foothills will remain
obscured. The precip will turn more showery later today. Expect
breezy conditions.

Ksea... Rainy and breezy at times. The precip will turn more showery
later today and a pscz will probably develop. The wind could become
variable this evening with a pscz so we will see if the new uw
wrfgfs shows that.

Marine There are small craft advisory strength southerlies today
for most of the waters. Westerly gales are expected behind the front
tonight in the central and eastern strait of juan de fuca. Onshore
flow Thursday will ease Friday and then the winds over the weekend
should more typical summertime diurnal sea-breezes with advisory
level westerlies likely in the central and eastern strait of juan de
fuca for the late afternoon and evening hours.

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

Climate With the forecast high of only 67 degrees in seattle
today will be the 4th day this month with a high in the 60s.

The total number of days with highs in the 60s for the last four
julys, 3. The last time seattle had more than 3 days with highs
in the 60s in july, 2012 with 10 days. Felton

Sew watches warnings advisories
Wa... None.

Pz... Small craft advisory until 6 am pdt Thursday 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 until 7 pm pdt this evening for east
entrance u.S. Waters strait of juan de fuca.

Gale warning from 7 pm this evening to 3 am pdt Thursday for
central u.S. Waters strait of juan de fuca-east entrance
u.S. Waters strait of juan de fuca.

Small craft advisory until 11 pm pdt this evening for northern
inland waters including the san juan islands.

Small craft advisory until 2 am pdt Thursday for admiralty inlet.

Small craft advisory until 7 pm pdt this evening for puget sound
and hood canal.



Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHYW1 - 9449424 - Cherry Point, WA 19 mi51 min 1010.2 hPa
CPMW1 19 mi51 min SE 18 G 23
CPNW1 19 mi57 min SE 11 G 14 59°F
FRDW1 - 9449880 - Friday Harbor, WA 30 mi45 min ESE 5.1 G 7 58°F 52°F1010 hPa
46118 32 mi96 min SSW 16 61°F 1010 hPa58°F
46146 - Halibut Bank 42 mi21 min SE 23 G 27 62°F 67°F4 ft1008.3 hPa
46088 - New Dungeness, WA (Hein Bank) 45 mi31 min E 7.8 G 9.7 54°F 52°F1009.3 hPa (-1.0)53°F
SISW1 - Smith Island, WA 47 mi31 min SSE 22 G 26 60°F 1009.7 hPa (-1.2)54°F

Wind History for Cherry Point, WA
(wind in knots)    EDIT      (on/off)   Help
Last
24hr
1 day
ago
2 days
ago

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Eastsound, Orcas Island Airport, WA21 mi26 minSSE 9 G 17 mi61°F59°F94%1009.5 hPa

Wind History from ORS (wind in knots)
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
Last 24hr4S4N3N4S8S9S7S66S9S8S9S7S8SE5S4S6S8S6S8S95S9SE10
1 day agoS4S4S5S6S9S10S9S10S10S10S8S10S9S9S8S7S6S74S6S4S4S5S7
2 days agoS9
G14
S9S10S10S9S8S7S7S7S6S6SE7CalmCalmS4CalmCalmCalmCalmCalmCalmCalmCalmCalm

Tide / Current Tables for Samuel Island (North Shore), British Columbia
   EDIT   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Samuel Island (North Shore)
Click for Map
Wed -- 01:49 AM PDT     10.59 feet Low Tide
Wed -- 05:03 AM PDT     10.96 feet High Tide
Wed -- 05:27 AM PDT     Sunrise
Wed -- 06:05 AM PDT     Moonset
Wed -- 12:45 PM PDT     1.69 feet Low Tide
Wed -- 08:54 PM PDT     13.41 feet High Tide
Wed -- 09:09 PM PDT     Sunset
Wed -- 09:58 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
11.110.710.610.710.81110.8108.76.953.221.72.43.95.98.110.312.113.113.41312.2

Tide / Current Tables for Boat Passage, British Columbia Current
   EDIT      (on/off)   Help   One Week of Data
Boat Passage
Click for Map
Wed -- 12:06 AM PDT     0.01 knots Slack
Wed -- 02:12 AM PDT     1.58 knots Max Flood
Wed -- 04:22 AM PDT     -0.00 knots Slack
Wed -- 05:27 AM PDT     Sunrise
Wed -- 06:05 AM PDT     Moonset
Wed -- 08:05 AM PDT     -3.95 knots Max Ebb
Wed -- 11:05 AM PDT     0.00 knots Slack
Wed -- 02:41 PM PDT     5.38 knots Max Flood
Wed -- 06:29 PM PDT     -0.00 knots Slack
Wed -- 09:09 PM PDT     Sunset
Wed -- 09:26 PM PDT     -3.57 knots Max Ebb
Wed -- 09:58 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
-0.111.61.40.5-0.9-2.3-3.4-3.9-3.6-2.2-0.2245.15.34.531-1-2.6-3.5-3.4-2.5

Weather Map and Satellite Images
       (on/off)   HelpWeather Map
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 Seattle, WA (12,3,4,5)
      (on/off)   Help

Ground Weather Radar Station Seattle/Tacoma, WA
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

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.