tidealmanac

Morse Cove, Duke Island, AK tide chart

NOAA station 9450172 · Subordinate station · Datum MLLW · Local time (America/Sitka)

Change stationFull year 2026

Today · Sun, Oct 25

High tideLow tide
  1. High12:36 AM14.8 ft4.51 m
  2. Low6:37 AM1.2 ft0.37 m
  3. High12:38 PM16.9 ft5.15 m
  4. Low7:14 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 high1:18 AM15.2 ft4.64 m · in 5h 49m
Next low7:13 AM1.4 ft0.42 m · in 11h 44m
Range today18.8 ft5.74 m4 predicted tides today
MoonFullFull moon · spring tides

October 2026

Full year
Date1st tide2nd tide3rd tide4th tide
1Thu
4:29 AMHigh · 13.1 ft4.01 m
10:11 AMLow · 3.6 ft1.09 m
4:14 PMHigh · 15.6 ft4.75 m
11:13 PMLow · 0.0 ft-0.01 m
2Fri
5:29 AMHigh · 12.0 ft3.65 m
11:03 AMLow · 4.9 ft1.48 m
5:10 PMHigh · 14.4 ft4.40 m
3Sat
12:22 AMLow · 1.0 ft0.30 m
6:47 AMHigh · 11.1 ft3.39 m
12:16 PMLow · 5.9 ft1.81 m
6:26 PMHigh · 13.3 ft4.06 m
4Sun
1:46 AMLow · 1.6 ft0.48 m
8:21 AMHigh · 11.1 ft3.39 m
2:00 PMLow · 6.2 ft1.89 m
8:03 PMHigh · 12.8 ft3.91 m
5Mon
3:10 AMLow · 1.4 ft0.44 m
9:42 AMHigh · 12.0 ft3.66 m
3:38 PMLow · 5.2 ft1.58 m
9:32 PMHigh · 13.2 ft4.03 m
6Tue
4:18 AMLow · 0.8 ft0.25 m
10:39 AMHigh · 13.3 ft4.04 m
4:47 PMLow · 3.5 ft1.07 m
10:40 PMHigh · 14.0 ft4.27 m
7Wed
5:11 AMLow · 0.2 ft0.07 m
11:24 AMHigh · 14.5 ft4.42 m
5:39 PMLow · 1.8 ft0.54 m
11:34 PMHigh · 14.7 ft4.49 m
8Thu
5:54 AMLow · -0.1 ft-0.04 m
12:02 PMHigh · 15.6 ft4.74 m
6:22 PMLow · 0.3 ft0.09 m
9Fri
12:21 AMHigh · 15.2 ft4.64 m
6:33 AMLow · -0.1 ft-0.04 m
12:37 PMHigh · 16.3 ft4.97 m
7:02 PMLow · -0.8 ft-0.25 m
10Sat
1:04 AMHigh · 15.4 ft4.69 m
7:09 AMLow · 0.2 ft0.06 m
1:09 PMHigh · 16.7 ft5.09 m
7:38 PMLow · -1.5 ft-0.45 m
11Sun
1:44 AMHigh · 15.3 ft4.65 m
7:42 AMLow · 0.8 ft0.25 m
1:40 PMHigh · 16.8 ft5.11 m
8:13 PMLow · -1.6 ft-0.49 m
12Mon
2:21 AMHigh · 14.9 ft4.53 m
8:15 AMLow · 1.7 ft0.51 m
2:10 PMHigh · 16.5 ft5.02 m
8:48 PMLow · -1.3 ft-0.40 m
13Tue
2:58 AMHigh · 14.2 ft4.33 m
8:47 AMLow · 2.7 ft0.81 m
2:40 PMHigh · 15.9 ft4.85 m
9:22 PMLow · -0.7 ft-0.20 m
14Wed
3:36 AMHigh · 13.4 ft4.08 m
9:19 AMLow · 3.7 ft1.13 m
3:11 PMHigh · 15.1 ft4.61 m
9:58 PMLow · 0.3 ft0.09 m
15Thu
4:15 AMHigh · 12.4 ft3.78 m
9:53 AMLow · 4.8 ft1.46 m
3:44 PMHigh · 14.2 ft4.32 m
10:39 PMLow · 1.4 ft0.43 m
16Fri
5:01 AMHigh · 11.4 ft3.47 m
10:32 AMLow · 5.8 ft1.77 m
4:23 PMHigh · 13.1 ft4.00 m
11:28 PMLow · 2.5 ft0.77 m
17Sat
6:00 AMHigh · 10.5 ft3.21 m
11:24 AMLow · 6.7 ft2.04 m
5:15 PMHigh · 12.1 ft3.67 m
18Sun
12:34 AMLow · 3.4 ft1.03 m
7:21 AMHigh · 10.1 ft3.09 m
12:47 PMLow · 7.2 ft2.20 m
6:30 PMHigh · 11.2 ft3.42 m
19Mon
1:56 AMLow · 3.7 ft1.12 m
8:46 AMHigh · 10.5 ft3.19 m
2:32 PMLow · 6.9 ft2.10 m
8:03 PMHigh · 11.0 ft3.35 m
20Tue
3:11 AMLow · 3.4 ft1.03 m
9:46 AMHigh · 11.3 ft3.45 m
3:48 PMLow · 5.7 ft1.75 m
9:22 PMHigh · 11.5 ft3.50 m
21Wed
4:06 AMLow · 2.8 ft0.84 m
10:28 AMHigh · 12.4 ft3.79 m
4:40 PMLow · 4.2 ft1.27 m
10:21 PMHigh · 12.3 ft3.76 m
22Thu
4:49 AMLow · 2.1 ft0.65 m
11:02 AMHigh · 13.6 ft4.15 m
5:21 PMLow · 2.5 ft0.76 m
11:09 PMHigh · 13.3 ft4.04 m
23Fri
5:26 AMLow · 1.6 ft0.50 m
11:34 AMHigh · 14.8 ft4.52 m
5:59 PMLow · 0.8 ft0.25 m
11:54 PMHigh · 14.1 ft4.30 m
24Sat
6:02 AMLow · 1.3 ft0.40 m
12:05 PMHigh · 16.0 ft4.87 m
6:36 PMLow · -0.7 ft-0.22 m
25Sun
12:36 AMHigh · 14.8 ft4.51 m
6:37 AMLow · 1.2 ft0.37 m
12:38 PMHigh · 16.9 ft5.15 m
7:14 PMLow · -1.9 ft-0.59 m
26Mon
1:18 AMHigh · 15.2 ft4.64 m
7:13 AMLow · 1.4 ft0.42 m
1:13 PMHigh · 17.5 ft5.35 m
7:53 PMLow · -2.7 ft-0.83 m
27Tue
2:01 AMHigh · 15.3 ft4.66 m
7:51 AMLow · 1.8 ft0.54 m
1:50 PMHigh · 17.8 ft5.42 m
8:35 PMLow · -2.9 ft-0.90 m
28Wed
2:46 AMHigh · 15.0 ft4.58 m
8:31 AMLow · 2.4 ft0.73 m
2:30 PMHigh · 17.6 ft5.37 m
9:19 PMLow · -2.6 ft-0.80 m
29Thu
3:34 AMHigh · 14.4 ft4.38 m
9:14 AMLow · 3.2 ft0.99 m
3:14 PMHigh · 16.9 ft5.16 m
10:08 PMLow · -1.8 ft-0.55 m
30Fri
4:26 AMHigh · 13.5 ft4.13 m
10:04 AMLow · 4.2 ft1.28 m
4:04 PMHigh · 15.9 ft4.83 m
11:04 PMLow · -0.7 ft-0.21 m
31Sat
5:28 AMHigh · 12.7 ft3.88 m
11:04 AMLow · 5.1 ft1.56 m
5:04 PMHigh · 14.5 ft4.43 m
Thu14:29 AM13.1 ft4.01 m10:11 AM3.6 ft1.09 m4:14 PM15.6 ft4.75 m11:13 PM0.0 ft-0.01 mFri25:29 AM12.0 ft3.65 m11:03 AM4.9 ft1.48 m5:10 PM14.4 ft4.40 mSat312:22 AM1.0 ft0.30 m6:47 AM11.1 ft3.39 m12:16 PM5.9 ft1.81 m6:26 PM13.3 ft4.06 mSun41:46 AM1.6 ft0.48 m8:21 AM11.1 ft3.39 m2:00 PM6.2 ft1.89 m8:03 PM12.8 ft3.91 mMon53:10 AM1.4 ft0.44 m9:42 AM12.0 ft3.66 m3:38 PM5.2 ft1.58 m9:32 PM13.2 ft4.03 mTue64:18 AM0.8 ft0.25 m10:39 AM13.3 ft4.04 m4:47 PM3.5 ft1.07 m10:40 PM14.0 ft4.27 mWed75:11 AM0.2 ft0.07 m11:24 AM14.5 ft4.42 m5:39 PM1.8 ft0.54 m11:34 PM14.7 ft4.49 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.
Kelp Island Passage, Duke IslandAK · NOAA 9450142 · 3 mi (6 km)Custom House Cove, Mary IslandAK · NOAA 9450296 · 13 mi (20 km)Kah Shakes CoveAK · NOAA 9450254 · 14 mi (22 km)Tamgas Harbor, Annette IslandAK · NOAA 9450273 · 15 mi (25 km)