Sunrise 6:08 AM   Sunset 8:18 PM Moonrise 8:37 PM   Moonset 5:16 AM

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PZZ110 Grays Harbor Bar- 334 Am Pdt Wed Apr 24 2024
combined seas 4 to 6 ft. Bar conditions light. Maximum ebb currents will occur around 530 am Wednesday, 545 pm Wednesday, and 600 am Thursday. The morning ebbs will be strong.

PZZ100 334 Am Pdt Wed Apr 24 2024
Synopsis for the northern and central washington coastal and inland waters - A front is slated to reach the area today followed by another system on Thursday. Active conditions look to continue late week into the weekend.

FXUS66 KSEW 241601 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 901 AM PDT Wed Apr 24 2024

UPDATE
Surface observations have the front from just east of Bellingham to just east of Hoquiam at 8 am this morning. Front will continue to move slowly east today moving into the Cascades this afternoon. Rainfall amounts along the north coast were around a tenth of an inch with just a few hundredths in the Northwest Interior. Weakening front combined with westerly flow aloft will create a rain shadow over the Central Puget Sound but even outside of the Central Puget Sound rain amounts with the front expected to be 0.05 inches or less. Main weather story today is the cooler temperatures with highs in the 50s. Today will be the first day of at least the next 7 days with highs in the 50s for Western Washington. Forecast on track this morning. Previous discussion follows plus updated aviation and marine sections.

SYNOPSIS
Weak front moving inland today. This will mark the beginning of a cool and wet last week of April with an upper level trough over the area and a couple of systems moving through over the weekend and Monday. Snow levels will lower over the weekend to near 2500 feet Monday for possible snow on all the mountain passes the first part of next week.

SHORT TERM /TODAY THROUGH FRIDAY/
A pattern change brings cooler and wetter weather back to western WA starting today. This is due to an upper low moving through B.C. while dragging a weak front over the region. KLGX is picking up on light rain along the coast this morning. Rain will spread into the interior this afternoon with light amounts expected - trace to 0.05" along I-5.
With onshore flow and cloudier conditions temperatures will track closer to average and in the 50s.

Wet weather continues on Thursday with an upper level trough crossing the area. Precipitation totals, overall, are greater compared to Wednesday with measurable rain expected across all lowlands.

Showers linger into Friday with a deep trough across the West.
Widespread measurable rain is expected again across the area.
Three-day rainfall totals are around 0.50-1" in the interior with 1-2" along the coast. Snow levels are around 4500' for mainly rain at the Cascade highway passes. 33

LONG TERM /SATURDAY THROUGH TUESDAY/
Upper level troughing over the Pac NW continues into this weekend for more rain and (high elevation) mountain snow. There's little break in the action with a pair of frontal systems pushing inland, thus maintaining moist S/SW flow over the area. A deep upper low wobbles overhead as we move into next week, keeping the air mass cool and showery.
Lows will track cooler than average and in the mid to upper 30s to lower 40s. The cool spots will be over the south sound. Highs will also be a few degrees below average and in the mid 50s. Snow levels will lower to around 2500' on Monday and the mountain highway passes may see a few inches of snow. Overall, a cool and wet end to the month. 33

AVIATION
Winds W/SW aloft as an upper-trough builds in. Surface winds are beginning to pick up, generally S/SW through the interior and W along the coast. A mix of MVFR to VFR ceilings (with isolated IFR along the coast) across the area this morning. CIGs will likely bounce around between high MVFR to low VFR through this afternoon into tonight. Scattered showers across the area this morning. While generally light in nature, temporary visibility restrictions are possible in heavier showers that pass over the terminals. Another frontal system will approach early tomorrow morning which will bring widespread MVFR to IFR ceilings and more persistent visibility restrictions with stronger rain showers. Winds W 10 kt or less along the coast, SW to S through the interior.

KSEA...MVFR ceilings with scattered showers in the vicinity this morning. Ceilings will likely remain high-end MVFR with some breaks to VFR possible through this afternoon and evening. A return to lower MVFR ceilings is expected tomorrow morning, with some possible visibility restrictions in heavier showers. Winds S to SW between 5- 10 kt.

LH

MARINE
A weak frontal system is approaching the area from the northwest. Winds through the Strait of Juan de Fuca have diminished, allowing the Small Craft Advisory to expire this morning. A more substantial system will move through the area waters on Thursday.
Some uncertainty remains in how strong this winds will be along the coastal waters. With probabilities of seeing SCA winds highest in the waters south of Point Grenville (from 50-75%), a Small Craft Advisory has been issued for Thursday. A weak surface ridge will momentarily ease wind speeds for Saturday before an active pattern re-emerges Sunday.

Seas look to remain 4 to 6 feet at about 10 seconds through the rest of the week and into Saturday.

McMillian/LH

HYDROLOGY
No river flooding expected in the next 7 days.
Heavier rain over the south slopes of the Olympics Thursday and Thursday night could push the Skokomish River in Mason county close to action stage Friday. Felton

SEW WATCHES/WARNINGS/ADVISORIES
WA...None.
PZ...Small Craft Advisory from 5 AM to 5 PM PDT Thursday for 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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Cosmopolis
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Wed -- 02:06 AM PDT     10.88 feet High Tide
Wed -- 06:10 AM PDT     Sunrise
Wed -- 06:16 AM PDT     Moonset
Wed -- 08:40 AM PDT     -0.68 feet Low Tide
Wed -- 03:09 PM PDT     9.26 feet High Tide
Wed -- 08:16 PM PDT     Sunset
Wed -- 08:33 PM PDT     2.70 feet Low Tide
Wed -- 09:37 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION

Cosmopolis, Chehalis River, Grays Harbor, Washington, Tide feet

Grays Harbor Entrance
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Wed -- 01:55 AM PDT     -0.00 knots Slack
Wed -- 05:29 AM PDT     -3.48 knots Max Ebb
Wed -- 06:11 AM PDT     Sunrise
Wed -- 06:17 AM PDT     Moonset
Wed -- 08:49 AM PDT     0.00 knots Slack
Wed -- 11:47 AM PDT     2.16 knots Max Flood
Wed -- 02:55 PM PDT     -0.00 knots Slack
Wed -- 05:50 PM PDT     -2.22 knots Max Ebb
Wed -- 08:18 PM PDT     Sunset
Wed -- 08:35 PM PDT     0.01 knots Slack
Wed -- 09:38 PM PDT     Moonrise
Wed -- 11:16 PM PDT     1.97 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION

Grays Harbor Entrance, Washington Current, knots

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