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Marine Weather and Tides
Version 3.4 |
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports. 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 6:10AM | Sunset 8:17PM | Tuesday August 20, 2019 11:57 PM PDT (06:57 UTC) | Moonrise 9:45PM | Moonset 10:16AM | Illumination 69% |  |
PZZ132 East Entrance U.s. Waters Strait Of Juan De Fuca- 832 Pm Pdt Tue Aug 20 2019
.small craft advisory in effect through Wednesday afternoon...
Tonight..W wind 15 to 25 kt becoming S late. Wind waves 2 to 4 ft. A slight chance of showers after midnight.
Wed..SE wind 15 to 25 kt. Wind waves 2 to 4 ft. Showers likely in the morning then showers in the afternoon.
Wed night..W wind 15 to 25 kt. Wind waves 2 to 4 ft. A chance of showers in the evening then a slight chance of showers after midnight.
Thu..Light wind becoming ne to 10 kt in the afternoon. Wind waves 1 ft or less.
Thu night..W wind 15 to 25 kt. Wind waves 2 to 4 ft.
Fri..W wind 10 to 20 kt becoming 5 to 15 kt in the afternoon. Wind waves 1 to 3 ft.
Fri night..W wind 10 to 20 kt becoming 5 to 15 kt after midnight. Wind waves 1 to 3 ft.
Sat..S wind to 10 kt becoming W 10 to 20 kt. Wind waves 1 ft or less building to 1 to 3 ft.
Sun..W wind 5 to 15 kt becoming 10 to 20 kt. Wind waves 1 to 3 ft.
.small craft advisory in effect through Wednesday afternoon...
Tonight..W wind 15 to 25 kt becoming S late. Wind waves 2 to 4 ft. A slight chance of showers after midnight.
Wed..SE wind 15 to 25 kt. Wind waves 2 to 4 ft. Showers likely in the morning then showers in the afternoon.
Wed night..W wind 15 to 25 kt. Wind waves 2 to 4 ft. A chance of showers in the evening then a slight chance of showers after midnight.
Thu..Light wind becoming ne to 10 kt in the afternoon. Wind waves 1 ft or less.
Thu night..W wind 15 to 25 kt. Wind waves 2 to 4 ft.
Fri..W wind 10 to 20 kt becoming 5 to 15 kt in the afternoon. Wind waves 1 to 3 ft.
Fri night..W wind 10 to 20 kt becoming 5 to 15 kt after midnight. Wind waves 1 to 3 ft.
Sat..S wind to 10 kt becoming W 10 to 20 kt. Wind waves 1 ft or less building to 1 to 3 ft.
Sun..W wind 5 to 15 kt becoming 10 to 20 kt. Wind waves 1 to 3 ft.
PZZ100 832 Pm Pdt Tue Aug 20 2019
Synopsis for the northern and central washington coastal and inland waters..Winds will increase tonight as a cold front approaches western wa. The front will cross the area on Wednesday. Onshore flow will persist through the rest of the week. A much weaker front will pass to the north later Friday and Saturday.
Synopsis for the northern and central washington coastal and inland waters..Winds will increase tonight as a cold front approaches western wa. The front will cross the area on Wednesday. Onshore flow will persist through the rest of the week. A much weaker front will pass to the north later Friday and Saturday.
7 Day Forecast for Marine Location Near Whidbey Island Station CDP, WA
Hourly EDIT Helplocation: 48.32, -122.83 debug
Area Discussion for - Seattle, WA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus66 ksew 210358 afdsew area forecast discussion national weather service seattle wa 858 pm pdt Tue aug 20 2019 Synopsis A cold front will bring rain to the region tonight and Wednesday. Expect dry weather by Thursday afternoon with a weak high pressure over the area. A series of systems will pass generally to our north Friday into the weekend keeping temperatures near normal and bringing a chance of showers mainly to the coast and northern areas. Short term tonight through Friday Dry weather tonight for the interior but klgx shows showers over the coastal waters approaching. This is due to a cold front that will move inland on Wednesday. The current forecast is on track. 33 previous discussion... A fairly potent weather system near 45n 132w will move northeast and track into the central b.C. Coast tonight. The front will slide onshore a bit quicker than expected with showers chances along the coast tonight pushing eastward into the puget sound area by daybreak. Models still fluctuate on qpf amounts, but most generally in the range of a quarter of an inch to possibly a half inch in spots around the sound with around an inch along the coast. The front will move quickly through western washington and weaken over the cascades by evening. Mesoscale models highlight the possibility for the development of a convergence zone over snohomish king counties Wednesday night into early Thursday morning. Drier weather expected with some sunshine by Thursday afternoon as a weak area of high pressure builds over the area. Temperatures will be cooler on Wednesday with highs in the 60s with temperatures into the mid 70s on Thursday. The upper level ridge over the area Thursday will become flattened by Friday with the approach of another upper level trough. Although the bulk of the energy with this system will generally be north of the area, there will be a few showers possible across the northern tier on Friday. Temperatures on Friday will be in the mid 60s to mid 70s across the area. Jd Long term Saturday through Tuesday Previous discussion... Another weather system north of the area looks to bring a chance for pops on Saturday with the GFS being a bit drier than the ecmwf. Onshore flow expected through the weekend with temperatures near normal. Guidance does suggest high pressure aloft building into the area on Monday. Pattern change is possible heading into the middle of next week if the current trends are maintained with |
higher amplitude ridging over the pacific northeast and warmer temperatures. Jd Aviation A cold front will approach western wa tonight, spreading rain to the coast. Rain will spread to the interior Wednesday morning with possible MVFR conditions. Expect post- frontal onshore flow and showers in the interior and cascades Wednesday afternoon and evening. The flow aloft is southwesterly. 33 ksea... Mid and high level clouds withVFR conditions through tonight. Ceilings will to MVFR levels after daybreak with rain as a cold front moves into the central puget sound. Southwesterly winds to 12 kt. 33 Marine Winds will increase tonight as a cold front approaches western wa - small craft advisories are in effect for all waters. Expect post-frontal onshore flow Wednesday afternoon and evening with small craft advisory winds continuing through the strait. A weak front will brush the area later Friday and Saturday with minimal affect on the winds. 33 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 11 am pdt Wednesday 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 5 pm pdt Wednesday for admiralty inlet-east entrance u.S. Waters strait of juan de fuca- northern inland waters including the san juan islands. Small craft advisory until 4 am pdt Wednesday for central u.S. Waters strait of juan de fuca. Small craft advisory until 10 am pdt Wednesday 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 Temp | Water Temp | Waves | Pressure | DewPt |
| SISW1 - Smith Island, WA | 0 mi | 68 min | SSW 14 G 16 | 60°F | 1013.3 hPa (+0.8) | 52°F | ||
| PTWW1 - 9444900 - Port Townsend, WA | 15 mi | 64 min | SE 1.9 G 5.1 | 63°F | 53°F | 1014.5 hPa | ||
| 46088 - New Dungeness, WA (Hein Bank) | 18 mi | 68 min | SSW 12 G 14 | 57°F | 53°F | 1012.7 hPa (+1.3) | 53°F | |
| FRDW1 - 9449880 - Friday Harbor, WA | 18 mi | 82 min | E 1 G 1.9 | 58°F | 53°F | 1013.2 hPa | ||
| PBFW1 - Padilla Bay Reserve, WA | 22 mi | 88 min | SSE 4.1 | 60°F | 1014 hPa | 53°F | ||
| PTAW1 - 9444090 - Port Angeles, WA | 35 mi | 82 min | WSW 4.1 G 5.1 | 63°F | 53°F | 1013.4 hPa | ||
| CHYW1 - 9449424 - Cherry Point, WA | 38 mi | 64 min | 1013.2 hPa | |||||
| CPMW1 | 38 mi | 64 min | S 6 G 7 | 61°F | ||||
| CPNW1 | 38 mi | 112 min | SE 6 G 9.9 | 61°F | ||||
| 46120 | 45 mi | 57 min | SSW 9.7 | 65°F | 1013.3 hPa | 56°F |
Wind History for Port Townsend, WA
(wind in knots) EDIT (on/off) Help| 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 | |
| Last 24hr | N | SE | -- | SW | SE | SE | SE | SE | SE | SE | NE | N | N | N G7 | N | SW | W | W G8 | W G8 | SW G9 | SW G11 | SW G14 | SW | E G4 |
| 1 day ago | SW G13 | SW G12 | S G8 | S G9 | SW | SW G9 | SE | S | SE | SE | -- | NE | N | N | W G5 | S | NW | W G9 | W | W G9 | W G8 | W G12 | SW G7 | -- |
| 2 days ago | SW | -- | -- | SE | S | S | NE | N | W | SW G6 | W G9 | W G10 | W | W G11 | SW G13 | SW G14 | SW G15 | SW G13 | SW G14 |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Burlington/Mount Vernon, Skagit Regional Airport, WA | 24 mi | 4.4 hrs | SSW 8 | 9.00 mi | Fair | 72°F | 55°F | 57% | 1012.2 hPa |
Link to 5 minute data for KNUW
Wind History from NUW (wind in knots)
| 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 | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | |
| Last 24hr | Calm | Calm | Calm | Calm | Calm | Calm | Calm | E | SE | NW | W | NW | NW | NW | NW | NW | W | W | W | |||||
| 1 day ago | SW | SW | SW | Calm | SW | SW | S | S | SW | S | S | SW | SW | W | W | W | W | W | NW | |||||
| 2 days ago | SW | SW | W | SW | S | SW | SW | W | Calm | SE | W | W | SW | W | W | W | W | W | W | W | SW |
Tide / Current Tables for Smith Island, Washington
EDIT Weekend mode (on/off) (on/off) Help One Week of DataSmith Island
Click for Map
Wed -- 02:22 AM PDT 1.99 feet Low Tide
Wed -- 06:13 AM PDT Sunrise
Wed -- 08:49 AM PDT 4.68 feet High Tide
Wed -- 12:21 PM PDT Moonset
Wed -- 01:46 PM PDT 2.70 feet Low Tide
Wed -- 08:14 PM PDT Sunset
Wed -- 08:50 PM PDT 6.34 feet High Tide
Wed -- 11:06 PM PDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 02:22 AM PDT 1.99 feet Low Tide
Wed -- 06:13 AM PDT Sunrise
Wed -- 08:49 AM PDT 4.68 feet High Tide
Wed -- 12:21 PM PDT Moonset
Wed -- 01:46 PM PDT 2.70 feet Low Tide
Wed -- 08:14 PM PDT Sunset
Wed -- 08:50 PM PDT 6.34 feet High Tide
Wed -- 11:06 PM PDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
| 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 |
| 3.3 | 2.4 | 2 | 2.1 | 2.4 | 3 | 3.6 | 4.2 | 4.6 | 4.7 | 4.4 | 3.9 | 3.3 | 2.8 | 2.7 | 2.9 | 3.4 | 4.1 | 4.9 | 5.6 | 6.2 | 6.3 | 5.9 | 5 |
Tide / Current Tables for Smith Island, 1.4 miles SSW of, Washington Current
EDIT (on/off) Help One Week of DataSmith Island
Click for MapFlood direction 90° true
Ebb direction 280° true
Wed -- 01:16 AM PDT -1.00 knots Max Ebb
Wed -- 04:45 AM PDT 0.00 knots Slack
Wed -- 06:13 AM PDT Sunrise
Wed -- 07:09 AM PDT 0.39 knots Max Flood
Wed -- 09:56 AM PDT -0.00 knots Slack
Wed -- 12:21 PM PDT Moonset
Wed -- 01:22 PM PDT -0.71 knots Max Ebb
Wed -- 04:15 PM PDT 0.00 knots Slack
Wed -- 07:02 PM PDT 0.49 knots Max Flood
Wed -- 08:14 PM PDT Sunset
Wed -- 10:01 PM PDT -0.00 knots Slack
Wed -- 11:06 PM PDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for MapFlood direction 90° true
Ebb direction 280° true
Wed -- 01:16 AM PDT -1.00 knots Max Ebb
Wed -- 04:45 AM PDT 0.00 knots Slack
Wed -- 06:13 AM PDT Sunrise
Wed -- 07:09 AM PDT 0.39 knots Max Flood
Wed -- 09:56 AM PDT -0.00 knots Slack
Wed -- 12:21 PM PDT Moonset
Wed -- 01:22 PM PDT -0.71 knots Max Ebb
Wed -- 04:15 PM PDT 0.00 knots Slack
Wed -- 07:02 PM PDT 0.49 knots Max Flood
Wed -- 08:14 PM PDT Sunset
Wed -- 10:01 PM PDT -0.00 knots Slack
Wed -- 11:06 PM PDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
| 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 |
| -0.8 | -1 | -0.9 | -0.7 | -0.3 | 0.1 | 0.3 | 0.4 | 0.3 | 0.2 | -0 | -0.3 | -0.6 | -0.7 | -0.7 | -0.4 | -0.1 | 0.2 | 0.4 | 0.5 | 0.4 | 0.3 | 0 | -0.4 |
Weather Map and Satellite Images
(on/off) HelpWeather Map
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 (2,6,7,8)
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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. |