TidalMap

Cosmos Point Tide Times

Alaska · Station 9451335 · Updated Sep 19, 2026

Cosmos Point runs a mean tidal range of about 13.4 ft. This month the highest water, 18.3 ft, comes on the afternoon of Sep 28, and the lowest, a -2.2 ft minus tide, on the evening of Sep 28.

Nearest gauge measuring live water level: Port Alexander, Baranof Island (9451054), about 83 mi away, high and low tides here run on average about 10 min later.

Predictedno live gauge

Next low tide 4.2 ft at 1:15 AM

Predicted

Today's tides
Low tide	12:03 AM	3.2 ft
High tide	6:42 AM	10.7 ft
Low tide	12:06 PM	7.2 ft
High tide	6:11 PM	13.0 ft

Monthly tide calendar

Flood & low finder Flood tide ≥ ft Low tide ≤ ft

🌊 Biggest flood tides at Cosmos Point this month: Sep 1, Sep 10, Sep 11, Sep 12, Sep 13, Sep 14, Sep 26, Sep 27, Sep 28, 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 Cosmos Point this month: Sep 1, Sep 8, Sep 9, Sep 10, Sep 11, Sep 12, Sep 13, Sep 14, Sep 25, Sep 26, Sep 27, Sep 28 …. These drain the flats and expose the oyster rock, prime for sight-fishing and clamming.

September 2026

Sun

Mon

Tue

Wed

Thu

Fri

Sat

1H:15.2L:1.2H:17.0L:-0.2

2H:14.0L:2.7H:16.5L:0.6

3🌗H:12.6L:4.4H:15.6

4🌗L:1.5H:11.3L:5.9H:14.7

5🌗L:2.0H:11.0L:6.8H:14.3

6🌗L:1.7H:11.9L:6.2H:14.8

7L:0.6H:13.4L:4.6H:15.8

8L:-0.6H:14.8L:2.8

9H:16.8L:-1.6H:16.1L:1.0

10H:17.5L:-2.1H:17.1L:-0.4

11🌑H:17.8L:-2.1H:17.7L:-1.2

12🌑H:17.5L:-1.5H:18.0L:-1.5

13🌑H:16.9L:-0.5H:17.8L:-1.3

14H:15.9L:0.9H:17.2L:-0.6

15H:14.7L:2.6H:16.4L:0.5

16H:13.3L:4.2H:15.3L:1.8

17H:11.9L:5.8H:14.2

18🌓L:3.2H:10.7L:7.2H:13.0

19🌓L:4.2H:10.1L:8.0H:12.2

20🌓L:4.4H:10.8L:7.6H:12.3

21🌓L:3.7H:11.8L:6.4H:13.1

22L:2.6H:13.0L:4.8H:14.1

23L:1.5H:14.1L:3.2H:15.2

24L:0.5H:15.3L:1.6

25🌕H:16.0L:-0.1H:16.4L:0.2

26🌕H:16.6L:-0.4H:17.3L:-1.0

27🌕H:16.8L:-0.2H:18.0L:-1.9

28🌕H:16.7L:0.3H:18.3L:-2.2

29H:16.2L:1.2H:18.3L:-2.0

30H:15.3L:2.5H:17.8L:-1.3

Best fishing times (solunar)

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

Day	Major windows	Minor windows	Score
Today 🌓	5:55–7:55 PM 6:20–8:20 AM	3:24–5:24 PM 8:27–10:27 PM	41
Sat Sep 19 🌓	6:45–8:45 PM 7:10–9:10 AM	4:01–6:01 PM 9:34–11:34 PM	43
Sun Sep 20 🌓	7:34–9:34 PM 7:59–9:59 AM	4:24–6:24 PM 10:53–12:53 AM	56
Mon Sep 21 🌓	8:22–10:22 PM 8:47–10:47 AM	4:38–6:38 PM —	69
Tue Sep 22 🌔	9:07–11:07 PM 9:32–11:32 AM	4:48–6:48 PM 12:16–2:16 AM	79
Wed Sep 23 🌔	9:51–11:51 PM 10:16–12:16 PM	4:55–6:55 PM 1:40–3:40 AM	87
Thu Sep 24 🌔	10:34–12:34 AM 10:59–12:59 PM	5:00–7:00 PM 3:03–5:03 AM	93

Predictions & observations: NOAA CO-OPS station 9451335. 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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