Tide charts › WA

Seattle, WA tide chart and marine alerts

NOAA station 9447130 · 47.603°N, 122.339°W. Get an email only when the NWS issues a marine or coastal alert here, or the tide runs unusually high or low.

NOAA station 9447130

Seattle, WA

Tide now9.4 ft↓ falling · predicted

Next high7:38 AM11.8 ft

Next low11:54 PM−1.5 ft

No active NWS marine or coastal alerts here

NOAA sensor 11.1 ft at 5:42 PM (+1.5 ft vs prediction)Times PST · NOAA source

Today and tomorrow

Today Wednesday, Nov 11

Tide	Time (PST)	Height
High	7:01 AM	11.8 ft
Low	12:25 PM	7.8 ft
High	4:44 PM	10.0 ft
Low	11:54 PM	−1.5 ft

Tomorrow Thursday, Nov 12

Tide	Time (PST)	Height
High	7:38 AM	11.8 ft
Low	1:13 PM	8.0 ft
High	5:20 PM	9.5 ft

Friday Friday, Nov 13

Tide	Time (PST)	Height
Low	12:32 AM	−1.1 ft
High	8:18 AM	11.6 ft
Low	2:07 PM	8.0 ft

Active NWS alerts

No active NWS marine or coastal alerts cover this station right now (checked 5:51 PM PST).

Unusual tides here

We flag a predicted high at or above 13.5 ft MLLW (NOAA's minor high-tide flooding threshold for this station). We flag a predicted low at or below −1.0 ft MLLW. Mean higher high water is 11.4 ft.

In the next few days: low of −1.5 ft at Wed 11:54 PM; low of −1.1 ft at Fri 12:32 AM.

Official sources

Predictions are astronomical tides. Wind and pressure can move the real water level a foot or more. NOAA's sensor here read 11.1 ft at 5:42 PM.