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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 8:16PM | Monday August 19, 2019 8:13 PM PDT (03:13 UTC) | Moonrise 9:24PM | Moonset 9:12AM | Illumination 80% |  |
PZZ135 Puget Sound And Hood Canal- 251 Pm Pdt Mon Aug 19 2019
Tonight..N wind to 10 kt. Wind waves 1 ft or less.
Tue..Light wind becoming S 5 to 15 kt in the afternoon. Wind waves 2 ft or less.
Tue night..SW wind 5 to 15 kt becoming S 10 to 20 kt after midnight. Wind waves 1 to 3 ft. A slight chance of rain after midnight.
Wed..S wind 10 to 20 kt. Wind waves 1 to 3 ft.
Wed night..NW wind to 10 kt becoming se after midnight. Wind waves 1 ft or less.
Thu..Light wind becoming N to 10 kt in the afternoon. Wind waves 1 ft or less.
Thu night..N wind to 10 kt. Wind waves 1 ft or less.
Fri..Light wind becoming N to 10 kt. Wind waves 1 ft or less.
Sat..S wind to 10 kt becoming nw. Wind waves 1 ft or less.
Tonight..N wind to 10 kt. Wind waves 1 ft or less.
Tue..Light wind becoming S 5 to 15 kt in the afternoon. Wind waves 2 ft or less.
Tue night..SW wind 5 to 15 kt becoming S 10 to 20 kt after midnight. Wind waves 1 to 3 ft. A slight chance of rain after midnight.
Wed..S wind 10 to 20 kt. Wind waves 1 to 3 ft.
Wed night..NW wind to 10 kt becoming se after midnight. Wind waves 1 ft or less.
Thu..Light wind becoming N to 10 kt in the afternoon. Wind waves 1 ft or less.
Thu night..N wind to 10 kt. Wind waves 1 ft or less.
Fri..Light wind becoming N to 10 kt. Wind waves 1 ft or less.
Sat..S wind to 10 kt becoming nw. Wind waves 1 ft or less.
PZZ100 251 Pm Pdt Mon Aug 19 2019
Synopsis for the northern and central washington coastal and inland waters..Weak low level onshore flow tonight becoming southerly and increasing Tuesday a front approaches the waters. The front will move through on Wednesday. High pressure will build over the coastal waters behind the front Thursday. A weaker front will move by to the north later Friday.
Synopsis for the northern and central washington coastal and inland waters..Weak low level onshore flow tonight becoming southerly and increasing Tuesday a front approaches the waters. The front will move through on Wednesday. High pressure will build over the coastal waters behind the front Thursday. A weaker front will move by to the north later Friday.
7 Day Forecast for Marine Location Near Raft Island, WA
Hourly EDIT Helplocation: 47.33, -122.67 debug
Area Discussion for - Seattle, WA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus66 ksew 192145 afdsew area forecast discussion national weather service seattle wa 245 pm pdt Mon aug 19 2019 Synopsis A warming trend will take place through Tuesday across the region as a ridge of high pressure builds in. This will be brief as a trough of low pressure pushes in from the pacific into central bc and provides cooler temperatures and rain across the region through Wednesday night. A weak high pressure will build back into the region for the late week with temperatures near normal. There may be a few showers around on Saturday, but otherwise it will be a mainly dry stretch of weather to close out this week. Short term tonight through Thursday Clouds have been slow and stubborn to fully dissipate, although most areas have at least developed Sun breaks at this time and many areas have become mostly sunny. Temperatures are running from near to slightly below normal at this hour with 60s and lower 70s across the area. A mid level trough of low pressure will slide northeast out of the pacific from later tonight into Tuesday. Ahead of the system, increasing 500mb heights across western washington will set the stage for a warmup tomorrow. Highs will be a good 5-10 degrees warmer than today, with many low 80s developing. Skies will be sunnier as well, but should steadily cloud up from west to east in advance of this approaching system. The system will bring rain to the coast by early Wednesday morning and spread steadily east through the afternoon hours. Heaviest rain totals will be on the olympic peninsula to the coast with lighter amounts farther east. Temperatures will remain mainly in the 60s on Wednesday with the clouds and showers. While this system has plenty of moisture, it looks to remain progressive as the trough axis crosses the area by late Wednesday afternoon and conditions become just showery overnight Wednesday with chances diminishing by daybreak Thursday. Heights remain relatively high on Thursday and even begin to increase again as a strong ridge over the eastern pacific builds south of the area. The ridge will not make too much northern progression this week however as a trough well to the north will hold it at bay and keep more of a flat ridge or zonal flow in place. This will mean Thursday should be near normal with decreasing cloudiness. Long term Friday through Monday For the extended portion of the forecast, the zonal flow will continue with a strong mid level ridge staying well south of the |
area. Some indication of possible showers on Saturday but the bulk of the system should remain north and so will include only small chances of rain on Saturday. Either way, temperatures will linger around normal through the weekend, in the upper 60s and lower 70s. By early next week the focus will begin to shift on northward expansion of the strong ridge to our south. This may set the stage for an eventual return to hot weather to close out august. Although this is a little past the current forecast period, it is worth noting that CPC highlights the area for a risk of excessive heat the last few days of the month. Will have to continue to monitor this possibility but there is a lot of time between now and then where the forecast may change. Aviation Light low level flow into Tuesday morning. Westerly flow aloft becoming southwesterly tonight and Tuesday. Clouds continue to thin over much of the area this afternoon although a lingering patch of stratus remains over portions of the coast. Otherwise... All obs are indicating widespreadVFR conditions. Given weak low level flow expected tonight and into Tuesday morning... Extent of marine stratus will be limited to the coast including hqm... Possibly extending to olm. The remainder of W wa should see clear skies starting tonight and continuing into Tuesday. Ksea...VFR conditions with continued gradual improvement as clouds continue to scatter. Clear skies expected overnight. Southwest winds will become northerly around 00z. Wind speeds will be generally around 5 knots. Smr Marine Light low level flow tonight becoming southerly and increasing Tuesday as a front approaches the waters. The well organized front will move through Wednesday with small craft advisory southerlies still expected to occur ahead of the front over the coastal waters, entrances to the strait of juan de fuca and northern inland waters and post frontal small craft westerlies in the strait. Models remain consistent in this feature... But as these wind speeds still fall in the third period... Will leave headlines to future shifts. High pressure will build over the coastal waters behind the front Thursday. A weaker front will move by to the north later Friday. Smr 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... None. |
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 |
| 46121 | 5 mi | 38 min | 70°F | 1014.6 hPa | 57°F | |||
| TCMW1 - 9446482 - Tacoma Met, WA | 14 mi | 61 min | N 7 G 9.9 | |||||
| TCNW1 - 9446484 - Tacoma, WA | 14 mi | 61 min | 72°F | 57°F | 1015.2 hPa | |||
| WPOW1 - West Point, WA | 26 mi | 73 min | NE 6 G 6 | 62°F | 1015.5 hPa (-1.0) | 56°F | ||
| 46120 | 33 mi | 42 min | N 3.9 | 63°F | 1014 hPa | 55°F |
Wind History for Tacoma MET, WA
(wind in knots) EDIT (on/off) Help| 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 | NW | N | N | W | NW | N | W | NW | SW | -- | SE | SE | SE | SE G6 | NW | NW | N | NW | NW | N | NW | N | N | N |
| 1 day ago | W | W | W | W | SW | SW | W | SW | NW | W | N | NW | NW | NW | NW | NW | NW | N | N | NW | NW | NW | W | W |
| 2 days ago | SW | SW G9 | W | SW | S | SW | E | E | E | W | NW | N | N | N | N | NW | N | N | NW | NW | W | NW G9 | W | W |
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 |
| Tacoma, Tacoma Narrows Airport, WA | 6 mi | 20 min | NNE 6 | 10.00 mi | Fair | 67°F | 53°F | 61% | 1014.7 hPa |
| Bremerton, Bremerton National Airport, WA | 12 mi | 17 min | NNE 5 | 10.00 mi | Fair | 67°F | 55°F | 66% | 1016.8 hPa |
| Tacoma / McChord Air Force Base, WA | 15 mi | 75 min | NNE 6 | 10.00 mi | Fair | 74°F | 58°F | 58% | 1015.1 hPa |
| Fort Lewis / Gray U. S. Army Airfield, WA | 17 mi | 75 min | WNW 6 | 10.00 mi | Fair | 75°F | 58°F | 57% | 1015.2 hPa |
| Seattle, Seattle-Tacoma International Airport, WA | 21 mi | 20 min | N 6 | 10.00 mi | Partly Cloudy | 70°F | 52°F | 53% | 1015.6 hPa |
| Boeing Field - King County International Airport, WA | 24 mi | 20 min | WNW 4 | 10.00 mi | Partly Cloudy | 71°F | 52°F | 51% | 1014.7 hPa |
Link to 5 minute data for KTIW
Wind History from TIW (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 | SW | Calm | SW | SW | W | S | S | S | S | S | S | SW | SE | NW | W | W | NE | NE | ||||||
| 1 day ago | W | SW | S | S | W | SW | Calm | S | W | NW | NW | S | W | W | W | W | W | |||||||
| 2 days ago | SW | SW | SW | SW | Calm | SW | SW | SW | W | SW | Calm | S | SW | S | S | S | SW | SW | W |
Tide / Current Tables for Horsehead Bay, Carr Inlet, Puget Sound, Washington
EDIT Weekend mode (on/off) (on/off) Help One Week of DataHorsehead Bay
Click for Map
Mon -- 02:56 AM PDT 4.20 feet Low Tide
Mon -- 06:12 AM PDT Sunrise
Mon -- 08:18 AM PDT 11.07 feet High Tide
Mon -- 10:12 AM PDT Moonset
Mon -- 02:45 PM PDT 1.63 feet Low Tide
Mon -- 08:15 PM PDT Sunset
Mon -- 09:14 PM PDT 13.22 feet High Tide
Mon -- 10:23 PM PDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Mon -- 02:56 AM PDT 4.20 feet Low Tide
Mon -- 06:12 AM PDT Sunrise
Mon -- 08:18 AM PDT 11.07 feet High Tide
Mon -- 10:12 AM PDT Moonset
Mon -- 02:45 PM PDT 1.63 feet Low Tide
Mon -- 08:15 PM PDT Sunset
Mon -- 09:14 PM PDT 13.22 feet High Tide
Mon -- 10:23 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 |
| 8.7 | 6.4 | 4.8 | 4.2 | 4.9 | 6.5 | 8.4 | 10.1 | 11 | 10.8 | 9.7 | 7.9 | 5.7 | 3.6 | 2 | 1.7 | 2.7 | 4.9 | 7.6 | 10.2 | 12.3 | 13.2 | 12.9 | 11.6 |
Tide / Current Tables for Hale Passage, West end, Washington Current
EDIT (on/off) Help One Week of DataHale Passage
Click for Map
Mon -- 03:22 AM PDT 0.00 knots Slack
Mon -- 04:40 AM PDT 1.06 knots Max Flood
Mon -- 06:12 AM PDT Sunrise
Mon -- 06:19 AM PDT -0.00 knots Slack
Mon -- 10:12 AM PDT Moonset
Mon -- 10:49 AM PDT -1.77 knots Max Ebb
Mon -- 03:18 PM PDT 0.01 knots Slack
Mon -- 05:04 PM PDT 1.45 knots Max Flood
Mon -- 07:15 PM PDT -0.01 knots Slack
Mon -- 08:15 PM PDT Sunset
Mon -- 10:23 PM PDT Moonrise
Mon -- 11:29 PM PDT -1.56 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Mon -- 03:22 AM PDT 0.00 knots Slack
Mon -- 04:40 AM PDT 1.06 knots Max Flood
Mon -- 06:12 AM PDT Sunrise
Mon -- 06:19 AM PDT -0.00 knots Slack
Mon -- 10:12 AM PDT Moonset
Mon -- 10:49 AM PDT -1.77 knots Max Ebb
Mon -- 03:18 PM PDT 0.01 knots Slack
Mon -- 05:04 PM PDT 1.45 knots Max Flood
Mon -- 07:15 PM PDT -0.01 knots Slack
Mon -- 08:15 PM PDT Sunset
Mon -- 10:23 PM PDT Moonrise
Mon -- 11:29 PM PDT -1.56 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 |
| -1.5 | -1.2 | -0.8 | -0.3 | 0.7 | 1 | 0.3 | -0.4 | -1 | -1.4 | -1.7 | -1.8 | -1.6 | -1.3 | -0.8 | -0.2 | 0.8 | 1.4 | 1.1 | 0.2 | -0.4 | -1 | -1.4 | -1.5 |
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 (23,6,7,8)
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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. |