James Island to Point Grenville WA out 10 NM Marine Forecast
| Tonight...Se Wind 15 To 25 Kt Rising To 20 To 30 Kt After Midnight. Wind Waves 4 To 6 Ft. W Swell 9 Ft At 12 Seconds. Rain Likely In The Evening Then Rain After Midnight. |
| Thu...Se Wind 15 To 25 Kt. Wind Waves 3 To 5 Ft. W Swell 9 Ft At 13 Seconds. A Chance Of Rain. |
| Thu Night...S Wind 20 To 30 Kt Becoming Sw 20 To 25 Kt After Midnight. Wind Waves 4 To 6 Ft. Sw Swell 11 Ft At 13 Seconds. Rain. |
| Fri...Sw Wind 15 To 25 Kt Becoming W 10 To 20 Kt In The Afternoon. Wind Waves 3 To 5 Ft Subsiding To 1 To 3 Ft In The Afternoon. W Swell 14 Ft At 14 Seconds. |
| Fri Night...Nw Wind 5 To 15 Kt. Wind Waves 1 To 3 Ft. W Swell 15 Ft At 14 Seconds. |
| Sat...Nw Wind To 10 Kt In The Morning Becoming Light. Wind Waves 1 Ft. W Swell 10 Ft At 12 Seconds. |
| Sat Night...S Wind 5 To 15 Kt. Wind Waves 1 To 2 Ft. W Swell 6 Ft At 11 Seconds. |
| Sun...S Wind 5 To 15 Kt Becoming Sw 10 To 20 Kt. Wind Waves 1 To 3 Ft. W Swell 6 Ft Building To 11 Ft. |
| Mon...W Wind 15 To 20 Kt. Wind Waves 2 To 3 Ft. W Swell 12 Ft Building To 14 Ft. |
| Area Forecast Discussion National Weather Service Seattle WA 731pm PST Wednesday Feb 8 2023 Synopsis A weak upper level ridge will bring mostly dry conditions for much of Western Washington into Thursday. A warm front will bring some light precipitation to the Olympic Peninsula tonight into early Thursday. A trailing cold front will spread precipitation across the entire area Thursday night into Friday. Weak upper level ridging will return for the weekend, but a chance of rain will linger for coastal areas and the North Interior. A colder and wetter pattern is expected to develop early next week. Short Term - Tonight Through Saturday High clouds continue to stream eastward into the area this evening ahead of the next system and its attendant warm front located just offshore. Made a few minor tweaks to temperatures to match latest trends but otherwise, the forecast holds well. Low amplitude upper-level ridging just offshore is building into Western Washington this afternoon. Plentiful high and mid level clouds are spreading through the dirty ridge ahead of a warm front that will bring some light precipitation to the Olympic Peninsula tonight into Thursday morning. Across the interior, cloud cover will thicken up overnight and keep low temperatures a little warmer than last night. Thursday will be a mostly cloudy but mild day. Most of the interior lowlands should reach into the 50s...with some locations probably seeing their warmest high temperatures in nearly a month. The taste of spring will be short-lived. A trailing cold front will spread precipitation inland Thursday night with unsettled conditions continuing on Friday as an upper trough moves onshore. Temperatures in the post-frontal air mass will cool back to around seasonal averages on Friday. Low amplitude upper ridging will rebuild into Western Washington Friday night into Saturday. This spells a generally dry beginning to the weekend for much of the region. A weakening system could produce a couple showers near the Canadian border Saturday afternoon, but dry conditions are expected for the remainder of the CWA. Long Term - Sunday Through Wednesday Offshore ridging begins to flatten on Sunday allowing a stronger frontal system to reach Western Washington Sunday afternoon into Sunday night. This will open the door to something of a pattern change for the first half of next week. A strong northwest-southeast oriented jet is expected to carve out a broad, deep upper trough over the western third of the lower 48. Cluster plots should a considerable spread in solutions and, thus, some uncertainty regarding how things will ultimately play out. But a shift toward below normal temperatures and lower snow levels remains on the cards. Davis/27 Marine A warm front will move northward across the area through Thursday morning for increasing south-southeasterly winds for the coastal waters, as well as northern inland waters and eastern Strait of Juan de Fuca. A cold front will then move through Thursday afternoon into Thursday night for SCA (Small Craft Advisory) winds across most waters. Gales will also be possible, briefly, for the coastal waters later Thursday afternoon through Thursday evening with the cold front. Winds will subside Friday afternoon into the weekend. Another round of stronger winds are likely with a front early next week, generally around Monday-Tuesday. Combined seas generally 8 to 11 ft through tonight, remaining elevated into Friday. Seas will build on Friday to near 13 to 16 ft as well. Seas will subside briefly Saturday - Sunday efore building again Monday into early next week for the coastal area. JD Hydrology River flooding is not expected in the next 7 days. NOAA Seattle WA Office: Watches - Warnings - Advisories WA...None. PZ...Small Craft Advisory until 10pm PST this evening for Grays Harbor Bar Small Craft Advisory from 1am Thursday to 1am PST Friday 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 6am PST Friday 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. |
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