Tide Calendars

Friday Harbor, San Juan Island, Washington — Tide Calendar

NOAA station 9449880 · predictions updated September 4, 2026 · heights in feet above MLLW

Average predicted tide range here is about 5.1 ft (difference between a typical high and low, computed from the next 12 months of NOAA predictions).

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This week's tides

DayTimeTideHeight
Wed Sep 92:34 AMHigh6.59 ft
Wed Sep 99:57 AMLow-0.64 ft
Wed Sep 95:42 PMHigh7.54 ft
Wed Sep 910:55 PMLow4.46 ft
Thu Sep 103:57 AMHigh6.46 ft
Thu Sep 1010:41 AMLow-0.01 ft
Thu Sep 106:05 PMHigh7.45 ft
Thu Sep 1011:35 PMLow3.44 ft
Fri Sep 115:11 AMHigh6.35 ft
Fri Sep 1111:22 AMLow0.87 ft
Fri Sep 116:25 PMHigh7.36 ft
Sat Sep 1212:14 AMLow2.44 ft
Sat Sep 126:21 AMHigh6.3 ft
Sat Sep 1212:02 PMLow1.92 ft
Sat Sep 126:42 PMHigh7.28 ft
Sun Sep 1312:53 AMLow1.55 ft
Sun Sep 137:27 AMHigh6.32 ft
Sun Sep 1312:42 PMLow3.04 ft
Sun Sep 136:57 PMHigh7.18 ft
Mon Sep 141:31 AMLow0.86 ft
Mon Sep 148:33 AMHigh6.39 ft
Mon Sep 141:23 PMLow4.12 ft
Mon Sep 147:11 PMHigh7.07 ft
Tue Sep 152:09 AMLow0.4 ft
Tue Sep 159:44 AMHigh6.51 ft
Tue Sep 152:08 PMLow5.07 ft
Tue Sep 157:26 PMHigh6.93 ft

All stations