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Marine Weather and Tides
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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 5:27AM | Sunset 9:06PM | Thursday July 18, 2019 2:20 AM PDT (09:20 UTC) | Moonrise 9:28PM | Moonset 6:07AM | Illumination 98% |  |
PZZ132 East Entrance U.s. Waters Strait Of Juan De Fuca- 840 Pm Pdt Wed Jul 17 2019
.gale warning in effect until 3 am pdt Thursday...
.gale watch in effect from Thursday afternoon through late Thursday night...
Tonight..W wind 25 to 35 kt. Wind waves 4 to 6 ft. A slight chance of showers.
Thu..W wind 10 to 20 kt rising to 15 to 25 kt in the afternoon. Wind waves 2 to 4 ft. A slight chance of showers in the morning then a chance of showers in the afternoon.
Thu night..W wind 20 to 30 kt. Wind waves 3 to 5 ft. A slight chance of showers in the evening.
Fri..W wind 5 to 15 kt. Wind waves 2 ft or less.
Fri night..W wind 15 to 25 kt. Wind waves 2 to 4 ft.
Sat..W wind 5 to 15 kt becoming nw to 10 kt in the afternoon. Wind waves 2 ft or less.
Sat night..NW wind 15 to 20 kt becoming W 10 to 20 kt after midnight. Wind waves 1 to 3 ft.
Sun..W wind to 10 kt. Wind waves 1 ft or less.
Mon..W wind 5 to 15 kt. Wind waves 2 ft or less.
.gale warning in effect until 3 am pdt Thursday...
.gale watch in effect from Thursday afternoon through late Thursday night...
Tonight..W wind 25 to 35 kt. Wind waves 4 to 6 ft. A slight chance of showers.
Thu..W wind 10 to 20 kt rising to 15 to 25 kt in the afternoon. Wind waves 2 to 4 ft. A slight chance of showers in the morning then a chance of showers in the afternoon.
Thu night..W wind 20 to 30 kt. Wind waves 3 to 5 ft. A slight chance of showers in the evening.
Fri..W wind 5 to 15 kt. Wind waves 2 ft or less.
Fri night..W wind 15 to 25 kt. Wind waves 2 to 4 ft.
Sat..W wind 5 to 15 kt becoming nw to 10 kt in the afternoon. Wind waves 2 ft or less.
Sat night..NW wind 15 to 20 kt becoming W 10 to 20 kt after midnight. Wind waves 1 to 3 ft.
Sun..W wind to 10 kt. Wind waves 1 ft or less.
Mon..W wind 5 to 15 kt. Wind waves 2 ft or less.
PZZ100 840 Pm Pdt Wed Jul 17 2019
Synopsis for the northern and central washington coastal and inland waters..A front will move through western washington this afternoon 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.
Synopsis for the northern and central washington coastal and inland waters..A front will move through western washington this afternoon 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 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 180340 afdsew area forecast discussion national weather service seattle wa 840 pm pdt Wed jul 17 2019 Synopsis A cold front pushing through the area from the west this evening will conitnue to bring clouds and showers to the region. An upper low will slowly move east across southwest bc through the rest of this week, allowing for scattered showers to linger Thursday and Friday but decrease each day. A ridge of high pressure will build in over the pacific NW by this weekend and produce a significant drying and warming trend with temperatures reaching above normal for several days this weekend and into next week. Short term tonight through Saturday As of 0300z or 800 pm pdt this evening, radar shows showers continuing across the area. Surface observations depict a continued southerly flow over puget sound with dew points remaining from the upper 50s to mid 60s and temperatures generally in the low to mid 60s. It has been a cloudy and wet july day, and rainfall amounts were enough to break daily records at the airports in bellingham and at quillayute. Rainfall totals depict that a few spots exceeded an inch of rain today, especially in the southwest facing slopes of the olympics and some spots in the north cascades. Generally, however, rainfall totals were less than a quarter of an inch in the lowlands. Showers will continue but slowly diminish in coverage overnight from west to east. Thursday will feature little change in the mid level features over the area but a low will drift slowly east across southwest bc. This will provide a few showers Thursday. While the bulk of these will be confined to more northern and mountain areas, there should be a chance of showers for most all areas Thursday afternoon except for far southwest portions of our region. Temperatures will rebound slightly tomorrow but remain in the upper 60s to low 70s. By Friday this low over southwest bc will exit east and 500 mb heights are expected to rise slightly throughout the day. This will set the stage for a warming trend Friday by several degrees, to push highs above normal. Showers will diminsh to the point where only high terrain in the olympics and north cascades might see a few. Otherwise it looks to be dry with less cloudiness. More substantial increases in 500mb heights are set to take place Saturday and so the surface temperatures should see a strong rebound from the cool weather of today. With skies becoming sunny, temps will reach into the low 80s in many areas by Saturday. Johnson Long term Sunday through Wednesday Regionally, a four corners high builds strongly Sunday and early next week, affecting heights over the pacific northwest as well. Heights will be in the 580s through Wednesday at least. Southwesterly flow aloft should give sunny skies and highs in the 80s. Varying degrees of low level onshore flow will keep temperatures from getting much warmer than that. The GFS brings an upper trough close to the coast by Wednesday and the euro brings |
it close about a day sooner. Upper flow turns more southerly by Wednesday, perhaps bringing a chance of showers to the mountains, but for now have kept the forecast dry. Burke Aviation A cold front pushing across the olympic peninsula will bring a continued chance of showers and breezy winds from the sw overnight. Winds should diminish to around 10 knots or less after 10-12z. Showers will diminish as well. Through that time however, skies will remain variable and bouncing fromVFR to occasional ifr if any showers move overhead. The general trend will be for conditions to slowly improve to the MVFR-vfr range for ceilings during the 15-18z thu. Time frame. Winds will slowly shift more westerly during this time period but remain around 10 knots. Ksea... southwest winds around 10-12 knots will persist through the period, except they will shift more westerly after about 17z Thursday. Showers will coninue this evening with reduction of visby CIGS into the MVFR category. Showers will diminish by 12z Thursday. However, MVFR conditions will persist with slow improvement toVFR Thursday afternoon. Marine Westerly gales are expected as the surface cold front slowly passes through the central and eastern strait of juan de fuca. Westerly gales also possible Thursday night 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. Sew watches warnings advisories Wa... None. Pz... Small craft advisory until 1 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. Gale watch from Thursday afternoon through late Thursday night for central u.S. Waters strait of juan de fuca-east entrance u.S. Waters strait of juan de fuca. Gale warning until 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 3 am pdt Thursday for admiralty inlet- northern inland waters including the san juan islands. |
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 | 30 min | WNW 23 G 26 | 56°F | 1013.6 hPa (+1.7) | 51°F | ||
| PTWW1 - 9444900 - Port Townsend, WA | 15 mi | 56 min | WSW 12 G 22 | 57°F | 52°F | 1013.8 hPa | ||
| FRDW1 - 9449880 - Friday Harbor, WA | 18 mi | 44 min | WSW 8.9 G 14 | 57°F | 52°F | 1013 hPa | ||
| 46088 - New Dungeness, WA (Hein Bank) | 18 mi | 30 min | W 18 G 19 | 55°F | 51°F | 1013 hPa (+1.1) | 52°F | |
| 46118 | 31 mi | 85 min | W 12 | 60°F | 1011.9 hPa | 54°F | ||
| PTAW1 - 9444090 - Port Angeles, WA | 35 mi | 44 min | WNW 14 G 18 | 59°F | 51°F | 1014.1 hPa | ||
| CHYW1 - 9449424 - Cherry Point, WA | 38 mi | 50 min | 1012.6 hPa | |||||
| CPMW1 | 38 mi | 56 min | SW 12 G 13 | 58°F | 57°F | |||
| CPNW1 | 38 mi | 56 min | SW 13 G 15 | 58°F | ||||
| 46120 | 45 mi | 26 min | NE 5.8 | 58°F | 1012.8 hPa | 53°F |
Wind History for Port Townsend, WA
(wind in knots) EDIT (on/off) Help| 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 | 12 AM | 1 AM | |
| Last 24hr | SE | N | E | E | -- | E G9 | E G10 | E | E G22 | SE | E G13 | W | SW | W | NW G8 | NW G7 | N | SW G13 | SW G15 | SW G14 | SW G18 | SW G20 | SW G21 | SW G22 |
| 1 day ago | -- | SE | S | S | SE | -- | N | N | NE | N | N | N | W | W G9 | W G13 | W G14 | SW G12 | SW G16 | SW G14 | SW G12 | SW G11 | SW G9 | SW | S |
| 2 days ago | N | NE | -- | NE | NE | N | N | N | N | N | NE | NE | SW | W G11 | SW | SW | SW G10 | W G7 | SW | S | SE |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Whidbey Island Naval Air Station - Ault Field, WA | 10 mi | 24 min | W 21 G 27 | 10.00 mi | Partly Cloudy and Breezy | 58°F | 52°F | 81% | 1014.6 hPa |
| Friday Harbor Airport, WA | 17 mi | 27 min | WSW 12 G 17 | 10.00 mi | Fair | 54°F | 50°F | 87% | 1013.3 hPa |
| Burlington/Mount Vernon, Skagit Regional Airport, WA | 24 mi | 25 min | N 0 | 10.00 mi | Fair | 55°F | 51°F | 88% | 1013.9 hPa |
Wind History from NUW (wind in knots)
| 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 | 12 AM | 1 AM | 2 AM | |
| Last 24hr | SE | S | E | SE | SE G24 | SE G21 | SE G24 | SE G31 | S G32 | S | S | E | N | NW | SW | SW | SW | SW | SW | SW | W | W G19 | W G30 | W G27 |
| 1 day ago | SW | SW | SW | SW | SW | W | W | W | W | W | W | W | W | W | W | SW | SW | SW | S | SW | SW | S | ||
| 2 days ago | Calm | Calm | Calm | Calm | SW | SW | S | SW | W | W | W | W | W | W | W | SW | W | Calm | SW | Calm | SW | Calm | Calm |
Tide / Current Tables for Smith Island, Washington
EDIT Weekend mode (on/off) (on/off) Help One Week of DataSmith Island
Click for Map
Thu -- 04:11 AM PDT 5.86 feet High Tide
Thu -- 05:29 AM PDT Sunrise
Thu -- 07:07 AM PDT Moonset
Thu -- 11:11 AM PDT -1.18 feet Low Tide
Thu -- 07:32 PM PDT 7.02 feet High Tide
Thu -- 09:05 PM PDT Sunset
Thu -- 10:26 PM PDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Thu -- 04:11 AM PDT 5.86 feet High Tide
Thu -- 05:29 AM PDT Sunrise
Thu -- 07:07 AM PDT Moonset
Thu -- 11:11 AM PDT -1.18 feet Low Tide
Thu -- 07:32 PM PDT 7.02 feet High Tide
Thu -- 09:05 PM PDT Sunset
Thu -- 10:26 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 |
| 5.1 | 5.2 | 5.5 | 5.7 | 5.9 | 5.7 | 5.1 | 4 | 2.4 | 0.7 | -0.6 | -1.2 | -1 | -0.2 | 1 | 2.3 | 3.8 | 5.2 | 6.3 | 6.9 | 7 | 6.4 | 5.7 | 5.1 |
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
Thu -- 02:20 AM PDT 0.00 knots Slack
Thu -- 04:00 AM PDT 0.20 knots Max Flood
Thu -- 05:29 AM PDT Sunrise
Thu -- 05:54 AM PDT -0.00 knots Slack
Thu -- 07:07 AM PDT Moonset
Thu -- 10:22 AM PDT -1.29 knots Max Ebb
Thu -- 01:31 PM PDT 0.01 knots Slack
Thu -- 04:53 PM PDT 1.07 knots Max Flood
Thu -- 08:44 PM PDT -0.00 knots Slack
Thu -- 09:05 PM PDT Sunset
Thu -- 10:26 PM PDT Moonrise
Thu -- 11:45 PM PDT -0.84 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Click for MapFlood direction 90° true
Ebb direction 280° true
Thu -- 02:20 AM PDT 0.00 knots Slack
Thu -- 04:00 AM PDT 0.20 knots Max Flood
Thu -- 05:29 AM PDT Sunrise
Thu -- 05:54 AM PDT -0.00 knots Slack
Thu -- 07:07 AM PDT Moonset
Thu -- 10:22 AM PDT -1.29 knots Max Ebb
Thu -- 01:31 PM PDT 0.01 knots Slack
Thu -- 04:53 PM PDT 1.07 knots Max Flood
Thu -- 08:44 PM PDT -0.00 knots Slack
Thu -- 09:05 PM PDT Sunset
Thu -- 10:26 PM PDT Moonrise
Thu -- 11:45 PM PDT -0.84 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 |
| -0.7 | -0.4 | -0.1 | 0.1 | 0.2 | 0.1 | -0 | -0.4 | -0.7 | -1.1 | -1.3 | -1.2 | -0.9 | -0.3 | 0.2 | 0.7 | 1 | 1.1 | 1 | 0.7 | 0.3 | -0.1 | -0.5 | -0.8 |
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 (5,6,7,8)
(on/off) Help
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. |