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Kanaka Bay, San Juan Island Tide Times

Washington · Station 9449856 · Updated Sep 19, 2026

Kanaka Bay, San Juan Island runs a mean tidal range of about 4.3 ft. This month the highest water, 7.3 ft, comes on the evening of Sep 4, and the lowest, a -1.2 ft minus tide, on the morning of Sep 7.

Nearest gauge measuring live water level: Friday Harbor, San Juan Island (9449880), about 5 mi away, high and low tides here run on average about 52 min earlier.

Predictedno live gauge
Next low tide 0.4 ft at 4:42 AM
Low 0.4 ft · 3:45 AMHigh 6.3 ft · 1:28 PMLow 6.1 ft · 3:36 PMHigh 6.3 ft · 6:49 PM
Predicted
Today's tides
Low tide3:45 AM0.4 ft
High tide1:28 PM6.3 ft
Low tide3:36 PM6.1 ft
High tide6:49 PM6.3 ft

Monthly tide calendar

Flood & low finder

🌊 Biggest flood tides at Kanaka Bay, San Juan Island this month: Sep 2, Sep 3, Sep 4, Sep 5, Sep 6, Sep 7, Sep 8, Sep 9, Sep 10, Sep 29, Sep 30. These spring highs push water up into the grass and over the oyster rock; prime for poling into flooded marsh for tailing reds.

🔻 Negative (minus) low tides at Kanaka Bay, San Juan Island this month: Sep 3, Sep 4, Sep 5, Sep 6, Sep 7, Sep 8, Sep 9, Sep 29, Sep 30. These drain the flats and expose the oyster rock, prime for sight-fishing and clamming.

September 2026
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1L:1.3H:5.4L:3.8H:7.0
2L:0.5H:5.4L:4.8H:7.2
3🌗L:-0.1H:7.3
4🌗L:-0.6H:7.3
5🌗L:-0.9H:6.8L:6.7H:7.1
6🌗L:-1.1H:7.1L:6.6H:6.9
7L:-1.2H:7.2L:6.0
8H:6.7L:-1.0H:7.2L:5.2
9H:6.5L:-0.6H:7.1L:4.3
10H:6.4L:0.0H:7.1L:3.3
11🌑H:6.2L:0.9H:7.0L:2.3
12🌑H:6.0L:1.9H:6.9
13🌑L:1.6H:5.9L:2.9H:6.8
14L:1.0H:5.8L:3.8H:6.8
15L:0.6H:5.7L:4.6H:6.7
16L:0.4H:5.8L:5.3H:6.6
17L:0.4H:6.0L:5.8H:6.4
18🌓L:0.4H:6.3L:6.1H:6.3
19🌓L:0.4H:6.5
20🌓L:0.5H:6.6
21🌓L:0.5H:6.7L:5.5H:5.6
22L:0.5H:6.7L:5.0
23H:5.6L:0.6H:6.7L:4.3
24H:5.6L:0.9H:6.7L:3.4
25🌕H:5.7L:1.4H:6.7L:2.5
26🌕H:5.9L:2.1H:6.7L:1.6
27🌕H:6.1L:2.9H:6.8L:0.7
28🌕H:6.2L:3.8H:6.9
29L:-0.1H:6.4L:4.7H:7.1
30L:-0.7H:6.5L:5.6H:7.2

Best fishing times (solunar)

Major and minor solunar windows for Kanaka Bay, San Juan Island, peak feeding activity is around the moon overhead/underfoot (majors) and moonrise/moonset (minors). Score is the day's activity coefficient (0–100).

DayMajor windowsMinor windowsScore
Today 🌓6:16–8:16 PM
6:41–8:41 AM		2:35–4:35 PM
9:57–11:57 PM		41
Sat Sep 19 🌓7:06–9:06 PM
7:31–9:31 AM		3:19–5:19 PM
10:57–12:57 AM		43
Sun Sep 20 🌓7:55–9:55 PM
8:20–10:20 AM		3:53–5:53 PM
—		56
Mon Sep 21 🌓8:42–10:42 PM
9:07–11:07 AM		4:19–6:19 PM
12:04–2:04 AM		68
Tue Sep 22 🌔9:28–11:28 PM
9:53–11:53 AM		4:39–6:39 PM
1:15–3:15 AM		79
Wed Sep 23 🌔10:12–12:12 AM
10:37–12:37 PM		4:57–6:57 PM
2:26–4:26 AM		87
Thu Sep 24 🌔10:55–12:55 AM
11:20–1:20 PM		5:12–7:12 PM
3:38–5:38 AM		93

Predictions & observations: NOAA CO-OPS station 9449856. Solunar windows computed from the moon's position for this location. Times shown in the station's local time. Not for navigation.

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