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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 8:14PM | Wednesday August 21, 2019 9:37 AM PDT (16:37 UTC) | Moonrise 10:05PM | Moonset 11:20AM | Illumination 65% |  |
PZZ133 Northern Inland Waters Including The San Juan Islands- 849 Am Pdt Wed Aug 21 2019
.small craft advisory in effect through Thursday morning...
Today..SE wind 15 to 25 kt. Wind waves 2 to 4 ft. Rain likely in the morning then rain in the afternoon.
Tonight..S wind 15 to 25 kt becoming W after midnight. Wind waves 2 to 4 ft. A chance of showers in the evening then a slight chance of showers after midnight.
Thu..NW wind 15 to 25 kt easing to 10 to 20 kt in the afternoon. Wind waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon.
Thu night..SW wind to 10 kt becoming se 5 to 15 kt after midnight. Wind waves 2 ft or less.
Fri..S wind to 10 kt. Wind waves 1 ft or less.
Fri night..S wind 10 to 20 kt becoming 5 to 15 kt after midnight. Wind waves 1 to 3 ft.
Sat..S wind 5 to 15 kt becoming sw 15 to 25 kt. Wind waves 2 ft or less building to 2 to 4 ft.
Sun..W wind 10 to 20 kt becoming sw 15 to 25 kt. Wind waves 1 to 3 ft building to 2 to 4 ft.
.small craft advisory in effect through Thursday morning...
Today..SE wind 15 to 25 kt. Wind waves 2 to 4 ft. Rain likely in the morning then rain in the afternoon.
Tonight..S wind 15 to 25 kt becoming W after midnight. Wind waves 2 to 4 ft. A chance of showers in the evening then a slight chance of showers after midnight.
Thu..NW wind 15 to 25 kt easing to 10 to 20 kt in the afternoon. Wind waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon.
Thu night..SW wind to 10 kt becoming se 5 to 15 kt after midnight. Wind waves 2 ft or less.
Fri..S wind to 10 kt. Wind waves 1 ft or less.
Fri night..S wind 10 to 20 kt becoming 5 to 15 kt after midnight. Wind waves 1 to 3 ft.
Sat..S wind 5 to 15 kt becoming sw 15 to 25 kt. Wind waves 2 ft or less building to 2 to 4 ft.
Sun..W wind 10 to 20 kt becoming sw 15 to 25 kt. Wind waves 1 to 3 ft building to 2 to 4 ft.
PZZ100 849 Am Pdt Wed Aug 21 2019
Synopsis for the northern and central washington coastal and inland waters..A weakening front will move through the area today. Onshore flow will develop behind the front tonight and continue through the weekend. A weaker frontal system will approach the area on Friday and dissipate over the area on Saturday.
Synopsis for the northern and central washington coastal and inland waters..A weakening front will move through the area today. Onshore flow will develop behind the front tonight and continue through the weekend. A weaker frontal system will approach the area on Friday and dissipate over the area on Saturday.
7 Day Forecast for Marine Location Near La Conner, WA
Hourly EDIT Helplocation: 48.39, -122.5 debug
Area Discussion for - Seattle, WA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus66 ksew 211536 afdsew area forecast discussion national weather service seattle wa 836 am pdt Wed aug 21 2019 Synopsis A cold front will bring rain to the region today. Dry weather by Thursday afternoon with weak high pressure over the area. A series of systems will pass generally to our north Friday into the weekend with temperatures near normal and bringing a chance of showers mainly to the coast and northern areas. Warmer and drier conditions are expected to develop early next week. Short term today through Friday Light rain across western washington this morning as the frontal systems slides through the area. Amounts so far generally around a half an inch along the coast with around a trace to two tenths of an inch in the puget sound area. Expect showers around through the afternoon as the front slides east of the area. Mesoscale models develop a convergence zone behind the front later this evening through tonight across king snohomish counties. Temperatures this afternoon will be cooler with highs in the 60s across the area. Drier weather expected into Thursday morning as an upper level ridge begins to build back into the pacific northwest. Some sunshine Thursday afternoon with temperatures in the mid 60s to mid 70s. The upper level ridge will flatten by Friday as the next system passes by to the north of the area. Slight chance for a few showers across the northern tier of western washington with most dry throughout Friday. Mix of Sun and clouds on Friday with temperatures in the upper 60s to mid 70s across the area. Jd Long term Saturday through Tuesday Another system moves to the north on Saturday. While still rather weak, heights will fall further and there will be a chance of showers for the coast and the interior from seattle northward. Partly to mostly cloudy conditions are expected with temperatures a little below normal. Sunday looks much the same as the last in the series of upper level disturbances passes through british columbia. And this is where things begin to change. For much of the past few weeks, the longwave pattern has favored upper level troughing to our west and a broad ridge over the interior west. As the trough over british columbia pushes eastward early next week, it is expected to carve out a decent trough over the northern plains states. In response to this, a fairly high amplitude ridge is expected to develop over the pacific northwest with 500mb heights well into the 580s Tuesday and beyond. In addition, a thermal trough may develop along the coast with low level flow turning offshore. The models have been hinting at this for a couple days now. It is still several days out, but we may be looking at at least a few very warm days to close out the month of august. Summer isn't over yet... Meteorological or astronomical. 27 Aviation An upper level trough will push across the area thru tomorrow morning with an accompanying cold front at the sfc. A rather extensive rain shield will continue along and ahead of the cold front. Ceilings ahead of the rain shield areVFR, with ceilings dropping to MVFR some embedded ifr possible within the rain shield. Once ceilings lower to MVFR, expect this category to largely rule through Thursday morning. Widespread rain should taper into the evening hours with a puget sound convergence zone likely to develop this evening in the central north sound vicinity into snohomish and king counties. This zone will have the greatest affect on terminals |
in this general area into Thursday morning. Southerly wind ahead of the front will be stronger from pae to bli thru the afternoon at 10- 15kts, with post frontal winds from the NW along the coast at 10- 15kts. Elsewhere, generally S SW at 5-10kts. Ksea...VFR ceilings likely to give way to MVFR brief potential for ifr conditions by mid-morning with MVFR likely to hold through Thursday morning. After widespread rain shield begins to pull east towards the cascades this evening, a pscz will likely develop and continue into the early morning hours of Thursday. Winds S SW 5- 10kts. Kovacik Marine A robust closed area of low pressure will weaken as it moves into bc thru the day today. With it, a cold front will push east across the pacific northwest continuing to bring widespread rainfall to most waters through the evening hours. Winds ahead of the front currently located roughly across the outer coastal waters at 15z will be southerly, with breeziest conditions found roughly from admiralty inlet north thru the eastern strait and into the northern inland waters, as well as the offshore waters. These conditions will largely dominate into Thursday morning, with then some enhanced NW winds moving in behind the front. Headlines are in place for the offshore waters and thru the central and eastern strait to account for this. A 10ft+ swell will likely accompany the nw winds across the outer coastal waters but current SCA will cover this concern along with the winds. The remainder of this forecast discussion has been left as is: an onshore flow pattern will continue Friday and into the weekend with the usual diurnal small craft advisory strength west winds in the strait each evening. A weak frontal system will approach the area on Friday and then dissipate over the area on Saturday. The main impact will be to turn the winds a bit more southerly but speeds should remain sub-advisory strength. Kovacik schneider 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 Thursday for coastal waters from CAPE flattery to james island 10 to 60 nm-coastal waters from james island to point grenville 10 to 60 nm- coastal waters from point grenville to CAPE shoalwater 10 to 60 nm-northern inland waters including the san juan islands. Small craft advisory until 11 am pdt this morning for coastal waters from CAPE flattery to james island out 10 nm-coastal waters from james island to point grenville out 10 nm- coastal waters from point grenville to CAPE shoalwater out 10 nm. Small craft advisory until 5 am pdt Thursday for east entrance u.S. Waters strait of juan de fuca. Small craft advisory from 5 pm this afternoon to 5 am pdt Thursday for central u.S. Waters strait of juan de fuca. Small craft advisory until noon pdt today for admiralty inlet. |
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 |
| PBFW1 - Padilla Bay Reserve, WA | 5 mi | 68 min | S 8 | 61°F | 1015 hPa | 59°F | ||
| SISW1 - Smith Island, WA | 18 mi | 48 min | SE 19 G 21 | 59°F | 1013.5 hPa (-0.4) | 56°F | ||
| PTWW1 - 9444900 - Port Townsend, WA | 24 mi | 56 min | E 11 G 13 | 59°F | 55°F | 1014.6 hPa | ||
| FRDW1 - 9449880 - Friday Harbor, WA | 29 mi | 62 min | SE 2.9 G 5.1 | 60°F | 53°F | 1014.1 hPa | ||
| 46088 - New Dungeness, WA (Hein Bank) | 35 mi | 48 min | E 5.8 G 7.8 | 54°F | 53°F | 1013.2 hPa (+0.0) | 54°F | |
| CHYW1 - 9449424 - Cherry Point, WA | 35 mi | 56 min | 1014 hPa | |||||
| CPMW1 | 35 mi | 56 min | SE 16 G 21 | 63°F | ||||
| CPNW1 | 35 mi | 86 min | SE 16 G 21 | 64°F | ||||
| 46120 | 44 mi | 43 min | S 7.8 | 60°F | 1014.6 hPa | 58°F |
Wind History for Port Townsend, WA
(wind in knots) EDIT (on/off) Help| 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 | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | |
| Last 24hr | SE | NE | N | N | N G7 | N | SW | W | W G8 | W G8 | SW G9 | SW G11 | SW G14 | SW | E G4 | SW | N | E G4 | SE | E G5 | E G8 | E G8 | E | E |
| 1 day ago | SE | -- | NE | N | N | W G5 | S | NW | W G9 | W | W G9 | W G8 | W G12 | SW G7 | -- | N | SE | -- | SW | SE | SE | SE | SE | SE |
| 2 days ago | S | S | NE | N | W | SW G6 | W G9 | W G10 | W | W G11 | SW G13 | SW G14 | SW G15 | SW G13 | SW G14 | SW G13 | SW G12 | S G8 | S G9 | SW | SW G9 | SE | S | SE |
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 | 7 mi | 83 min | SE 6 | 6.00 mi | Fog/Mist | 63°F | 59°F | 88% | 1015.2 hPa |
| Whidbey Island Naval Air Station - Ault Field, WA | 8 mi | 1.7 hrs | SE 13 | 7.00 mi | Light Rain | 64°F | 57°F | 78% | 1015.8 hPa |
| Arlington Municipal Airport, WA | 23 mi | 1.7 hrs | SSE 9 | 10.00 mi | Light Rain | 62°F | 59°F | 90% | 1016.1 hPa |
Link to 5 minute data for KBVS
Wind History from BVS (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 PM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | |
| Last 24hr | S | SW | G12 | SW | NW | W | SW | S | Calm | SE | SE G13 | SE G10 | G12 | SE | E | |||||||||
| 1 day ago | SE G10 | SW | W | Calm | G11 | SW | W | W | Calm | NW | Calm | NW | Calm | Calm | Calm | Calm | S | |||||||
| 2 days ago | S | SE | Calm | G10 | SW | SW G11 | SW | SW G13 | S | Calm | SE | S | SE | SE | S | SE | SE | S |
Tide / Current Tables for La Conner, Washington
EDIT Weekend mode (on/off) (on/off) Help One Week of DataLa Conner
Click for Map
Wed -- 04:12 AM PDT 2.74 feet Low Tide
Wed -- 06:12 AM PDT Sunrise
Wed -- 09:52 AM PDT 7.76 feet High Tide
Wed -- 12:20 PM PDT Moonset
Wed -- 03:58 PM PDT 3.53 feet Low Tide
Wed -- 08:13 PM PDT Sunset
Wed -- 09:56 PM PDT 9.49 feet High Tide
Wed -- 11:05 PM PDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 04:12 AM PDT 2.74 feet Low Tide
Wed -- 06:12 AM PDT Sunrise
Wed -- 09:52 AM PDT 7.76 feet High Tide
Wed -- 12:20 PM PDT Moonset
Wed -- 03:58 PM PDT 3.53 feet Low Tide
Wed -- 08:13 PM PDT Sunset
Wed -- 09:56 PM PDT 9.49 feet High Tide
Wed -- 11:05 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 |
| 7.6 | 6.1 | 4.5 | 3.3 | 2.8 | 3 | 4 | 5.3 | 6.6 | 7.5 | 7.8 | 7.4 | 6.7 | 5.7 | 4.7 | 3.8 | 3.5 | 4 | 5.1 | 6.6 | 8.1 | 9.1 | 9.5 | 9.1 |
Tide / Current Tables for Deception Pass, Washington Current
EDIT (on/off) Help One Week of DataDeception Pass
Click for Map
Wed -- 01:57 AM PDT 0.04 knots Slack
Wed -- 05:05 AM PDT 5.18 knots Max Flood
Wed -- 06:12 AM PDT Sunrise
Wed -- 07:59 AM PDT -0.04 knots Slack
Wed -- 11:04 AM PDT -6.34 knots Max Ebb
Wed -- 12:20 PM PDT Moonset
Wed -- 01:52 PM PDT 0.04 knots Slack
Wed -- 05:18 PM PDT 5.14 knots Max Flood
Wed -- 08:05 PM PDT -0.05 knots Slack
Wed -- 08:13 PM PDT Sunset
Wed -- 11:05 PM PDT Moonrise
Wed -- 11:27 PM PDT -6.69 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 01:57 AM PDT 0.04 knots Slack
Wed -- 05:05 AM PDT 5.18 knots Max Flood
Wed -- 06:12 AM PDT Sunrise
Wed -- 07:59 AM PDT -0.04 knots Slack
Wed -- 11:04 AM PDT -6.34 knots Max Ebb
Wed -- 12:20 PM PDT Moonset
Wed -- 01:52 PM PDT 0.04 knots Slack
Wed -- 05:18 PM PDT 5.14 knots Max Flood
Wed -- 08:05 PM PDT -0.05 knots Slack
Wed -- 08:13 PM PDT Sunset
Wed -- 11:05 PM PDT Moonrise
Wed -- 11:27 PM PDT -6.69 knots Max Ebb
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 |
| -6.1 | -4.5 | 0.3 | 3.2 | 4.6 | 5.2 | 4.7 | 3.3 | -0.1 | -4.3 | -5.8 | -6.3 | -5.9 | -4.3 | 0.8 | 3.2 | 4.4 | 5.1 | 4.9 | 3.6 | 0.7 | -4.2 | -5.7 | -6.6 |
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 (12,3,4,5)
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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. |