tidealmanac

Kelp Island Passage, Duke Island, AK tide chart

NOAA station 9450142 · Subordinate station · Datum MLLW · Local time (America/Sitka)

Change stationFull year 2026

Today · Sun, Oct 25

High tideLow tide
  1. High12:29 AM14.5 ft4.42 m
  2. Low6:25 AM1.2 ft0.37 m
  3. High12:31 PM16.5 ft5.04 m
  4. Low7:02 PM-1.9 ft-0.59 m

This is a subordinate station: NOAA predicts its highs and lows from a nearby reference station and publishes no curve for it. Nothing is interpolated.

Next high1:11 AM14.9 ft4.54 m · in 2h 46m
Next low7:01 AM1.4 ft0.42 m · in 8h 36m
Range today18.5 ft5.63 m4 predicted tides today
MoonFullFull moon · spring tides

October 2026

Full year
Date1st tide2nd tide3rd tide4th tide
1Thu
4:22 AMHigh · 12.9 ft3.92 m
9:59 AMLow · 3.6 ft1.09 m
4:07 PMHigh · 15.3 ft4.65 m
11:01 PMLow · 0.0 ft-0.01 m
2Fri
5:22 AMHigh · 11.7 ft3.58 m
10:51 AMLow · 4.9 ft1.48 m
5:03 PMHigh · 14.1 ft4.31 m
3Sat
12:10 AMLow · 1.0 ft0.30 m
6:40 AMHigh · 10.9 ft3.32 m
12:04 PMLow · 5.9 ft1.81 m
6:19 PMHigh · 13.0 ft3.98 m
4Sun
1:34 AMLow · 1.6 ft0.48 m
8:14 AMHigh · 10.9 ft3.32 m
1:48 PMLow · 6.2 ft1.89 m
7:56 PMHigh · 12.6 ft3.83 m
5Mon
2:58 AMLow · 1.4 ft0.44 m
9:35 AMHigh · 11.8 ft3.59 m
3:26 PMLow · 5.2 ft1.58 m
9:25 PMHigh · 13.0 ft3.95 m
6Tue
4:06 AMLow · 0.8 ft0.25 m
10:32 AMHigh · 13.0 ft3.96 m
4:35 PMLow · 3.5 ft1.07 m
10:33 PMHigh · 13.7 ft4.18 m
7Wed
4:59 AMLow · 0.2 ft0.07 m
11:17 AMHigh · 14.2 ft4.33 m
5:27 PMLow · 1.8 ft0.54 m
11:27 PMHigh · 14.4 ft4.40 m
8Thu
5:42 AMLow · -0.1 ft-0.04 m
11:55 AMHigh · 15.2 ft4.64 m
6:10 PMLow · 0.3 ft0.09 m
9Fri
12:14 AMHigh · 14.9 ft4.54 m
6:21 AMLow · -0.1 ft-0.04 m
12:30 PMHigh · 16.0 ft4.87 m
6:50 PMLow · -0.8 ft-0.25 m
10Sat
12:57 AMHigh · 15.1 ft4.59 m
6:57 AMLow · 0.2 ft0.06 m
1:02 PMHigh · 16.4 ft4.99 m
7:26 PMLow · -1.5 ft-0.45 m
11Sun
1:37 AMHigh · 14.9 ft4.55 m
7:30 AMLow · 0.8 ft0.25 m
1:33 PMHigh · 16.4 ft5.00 m
8:01 PMLow · -1.6 ft-0.49 m
12Mon
2:14 AMHigh · 14.6 ft4.43 m
8:03 AMLow · 1.7 ft0.51 m
2:03 PMHigh · 16.1 ft4.92 m
8:36 PMLow · -1.3 ft-0.40 m
13Tue
2:51 AMHigh · 13.9 ft4.24 m
8:35 AMLow · 2.7 ft0.81 m
2:33 PMHigh · 15.6 ft4.75 m
9:10 PMLow · -0.7 ft-0.20 m
14Wed
3:29 AMHigh · 13.1 ft3.99 m
9:07 AMLow · 3.7 ft1.13 m
3:04 PMHigh · 14.8 ft4.51 m
9:46 PMLow · 0.3 ft0.09 m
15Thu
4:08 AMHigh · 12.1 ft3.70 m
9:41 AMLow · 4.8 ft1.46 m
3:37 PMHigh · 13.9 ft4.23 m
10:27 PMLow · 1.4 ft0.43 m
16Fri
4:54 AMHigh · 11.2 ft3.40 m
10:20 AMLow · 5.8 ft1.77 m
4:16 PMHigh · 12.8 ft3.91 m
11:16 PMLow · 2.5 ft0.77 m
17Sat
5:53 AMHigh · 10.3 ft3.14 m
11:12 AMLow · 6.7 ft2.04 m
5:08 PMHigh · 11.8 ft3.60 m
18Sun
12:22 AMLow · 3.4 ft1.03 m
7:14 AMHigh · 9.9 ft3.02 m
12:35 PMLow · 7.2 ft2.20 m
6:23 PMHigh · 11.0 ft3.35 m
19Mon
1:44 AMLow · 3.7 ft1.12 m
8:39 AMHigh · 10.2 ft3.12 m
2:20 PMLow · 6.9 ft2.10 m
7:56 PMHigh · 10.8 ft3.29 m
20Tue
2:59 AMLow · 3.4 ft1.03 m
9:39 AMHigh · 11.1 ft3.38 m
3:36 PMLow · 5.7 ft1.75 m
9:15 PMHigh · 11.3 ft3.43 m
21Wed
3:54 AMLow · 2.8 ft0.84 m
10:21 AMHigh · 12.2 ft3.71 m
4:28 PMLow · 4.2 ft1.27 m
10:14 PMHigh · 12.1 ft3.68 m
22Thu
4:37 AMLow · 2.1 ft0.65 m
10:55 AMHigh · 13.3 ft4.07 m
5:09 PMLow · 2.5 ft0.76 m
11:02 PMHigh · 13.0 ft3.96 m
23Fri
5:14 AMLow · 1.6 ft0.50 m
11:27 AMHigh · 14.5 ft4.43 m
5:47 PMLow · 0.8 ft0.25 m
11:47 PMHigh · 13.8 ft4.21 m
24Sat
5:50 AMLow · 1.3 ft0.40 m
11:58 AMHigh · 15.6 ft4.76 m
6:24 PMLow · -0.7 ft-0.22 m
25Sun
12:29 AMHigh · 14.5 ft4.42 m
6:25 AMLow · 1.2 ft0.37 m
12:31 PMHigh · 16.5 ft5.04 m
7:02 PMLow · -1.9 ft-0.59 m
26Mon
1:11 AMHigh · 14.9 ft4.54 m
7:01 AMLow · 1.4 ft0.42 m
1:06 PMHigh · 17.2 ft5.24 m
7:41 PMLow · -2.7 ft-0.83 m
27Tue
1:54 AMHigh · 15.0 ft4.57 m
7:39 AMLow · 1.8 ft0.54 m
1:43 PMHigh · 17.4 ft5.31 m
8:23 PMLow · -2.9 ft-0.90 m
28Wed
2:39 AMHigh · 14.7 ft4.48 m
8:19 AMLow · 2.4 ft0.73 m
2:23 PMHigh · 17.2 ft5.25 m
9:07 PMLow · -2.6 ft-0.80 m
29Thu
3:27 AMHigh · 14.1 ft4.29 m
9:02 AMLow · 3.2 ft0.99 m
3:07 PMHigh · 16.6 ft5.06 m
9:56 PMLow · -1.8 ft-0.55 m
30Fri
4:19 AMHigh · 13.3 ft4.04 m
9:52 AMLow · 4.2 ft1.28 m
3:57 PMHigh · 15.5 ft4.73 m
10:52 PMLow · -0.7 ft-0.21 m
31Sat
5:21 AMHigh · 12.5 ft3.80 m
10:52 AMLow · 5.1 ft1.56 m
4:57 PMHigh · 14.2 ft4.33 m
11:58 PMLow · 0.4 ft0.13 m
Thu14:22 AM12.9 ft3.92 m9:59 AM3.6 ft1.09 m4:07 PM15.3 ft4.65 m11:01 PM0.0 ft-0.01 mFri25:22 AM11.7 ft3.58 m10:51 AM4.9 ft1.48 m5:03 PM14.1 ft4.31 mSat312:10 AM1.0 ft0.30 m6:40 AM10.9 ft3.32 m12:04 PM5.9 ft1.81 m6:19 PM13.0 ft3.98 mSun41:34 AM1.6 ft0.48 m8:14 AM10.9 ft3.32 m1:48 PM6.2 ft1.89 m7:56 PM12.6 ft3.83 mMon52:58 AM1.4 ft0.44 m9:35 AM11.8 ft3.59 m3:26 PM5.2 ft1.58 m9:25 PM13.0 ft3.95 mTue64:06 AM0.8 ft0.25 m10:32 AM13.0 ft3.96 m4:35 PM3.5 ft1.07 m10:33 PM13.7 ft4.18 mWed74:59 AM0.2 ft0.07 m11:17 AM14.2 ft4.33 m5:27 PM1.8 ft0.54 m11:27 PM14.4 ft4.40 mShow the whole month

Heights relative to MLLW; times local to the station. Predictions from NOAA CO-OPS; not for navigation.

Nearby stations

Distance from this station. A nearer station is not necessarily the right one for your shore.
Morse Cove, Duke IslandAK · NOAA 9450172 · 3 mi (6 km)Custom House Cove, Mary IslandAK · NOAA 9450296 · 16 mi (25 km)Tamgas Harbor, Annette IslandAK · NOAA 9450273 · 16 mi (26 km)Kah Shakes CoveAK · NOAA 9450254 · 17 mi (28 km)