NOAA station 9454642, Alaska
Louis Bay tide chart
Friday, October 30Alaska Daylight Time
NOAA harmonic station (NOAA’s page for this station, opens in a new tab)Falling, about 6.1 ft now
As of 8:46 AM AKDT
- Next
- Low 4.7 ft at 10:29 AMin 1h 43m
- Then
- High 13.5 ft at 4:20 PMin 7h 34m
High, passed
5:05 AM
10.7 ft
- Next
Low
10:29 AM
4.7 ft
High
4:20 PM
13.5 ft
Low
11:34 PM
-0.4 ft
The week ahead
This week’s tides at Louis Bay
Every high and low for the next seven days, in feet above MLLW. The 30-day table below has the rest of the month.
| Day | Tide curve | Highs | Lows | Range |
|---|---|---|---|---|
| Fri, Oct 30Range 13.9 ft | 5:05 AM 10.7 ft4:20 PM 13.5 ft | 10:29 AM 4.7 ft11:34 PM -0.4 ft | 13.9 ft | |
| Sat, Oct 31Range 6.8 ft | 6:12 AM 10.0 ft5:18 PM 12.2 ft | 11:32 AM 5.4 ft | 6.8 ft | |
| Sun, Nov 1Range 10.4 ft | 6:35 AM 9.8 ft5:37 PM 10.9 ft | 12:37 AM 0.5 ft11:52 AM 5.7 ft | 10.4 ft | |
| Mon, Nov 2Range 8.8 ft | 7:59 AM 10.1 ft7:23 PM 10.0 ft | 12:49 AM 1.3 ft1:30 PM 5.4 ft | 8.8 ft | |
| Tue, Nov 3Range 9.1 ft | 9:03 AM 10.9 ft8:58 PM 10.0 ft | 2:04 AM 1.8 ft2:58 PM 4.2 ft | 9.1 ft | |
| Wed, Nov 4Range 9.8 ft | 9:51 AM 11.8 ft10:09 PM 10.4 ft | 3:09 AM 2.0 ft4:02 PM 2.7 ft | 9.8 ft | |
| Thu, Nov 5Range 11.3 ft | 10:32 AM 12.6 ft11:06 PM 10.8 ft | 4:02 AM 2.1 ft4:51 PM 1.3 ft | 11.3 ft |
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Louis Bay tide table for the next 30 days
Every high and low for the next month, with the daily tidal range.
| Day | Highs | Lows | Range |
|---|---|---|---|
| Fri, Oct 30Range 13.9 ft | 5:05 AM 10.7 ft4:20 PM 13.5 ft | 10:29 AM 4.7 ft11:34 PM -0.4 ft | 13.9 ft |
| Sat, Oct 31Range 6.8 ft | 6:12 AM 10.0 ft5:18 PM 12.2 ft | 11:32 AM 5.4 ft | 6.8 ft |
| Sun, Nov 1Range 10.4 ft | 6:35 AM 9.8 ft5:37 PM 10.9 ft | 12:37 AM 0.5 ft11:52 AM 5.7 ft | 10.4 ft |
| Mon, Nov 2Range 8.8 ft | 7:59 AM 10.1 ft7:23 PM 10.0 ft | 12:49 AM 1.3 ft1:30 PM 5.4 ft | 8.8 ft |
| Tue, Nov 3Range 9.1 ft | 9:03 AM 10.9 ft8:58 PM 10.0 ft | 2:04 AM 1.8 ft2:58 PM 4.2 ft | 9.1 ft |
| Wed, Nov 4Range 9.8 ft | 9:51 AM 11.8 ft10:09 PM 10.4 ft | 3:09 AM 2.0 ft4:02 PM 2.7 ft | 9.8 ft |
| Thu, Nov 5Range 11.3 ft | 10:32 AM 12.6 ft11:06 PM 10.8 ft | 4:02 AM 2.1 ft4:51 PM 1.3 ft | 11.3 ft |
| Fri, Nov 6Range 13.1 ft | 11:08 AM 13.2 ft11:55 PM 11.2 ft | 4:47 AM 2.3 ft5:33 PM 0.1 ft | 13.1 ft |
| Sat, Nov 7Range 14.3 ft | 11:41 AM 13.7 ft | 5:27 AM 2.5 ft6:11 PM -0.6 ft | 14.3 ft |
| Sun, Nov 8Range 14.9 ft | 12:37 AM 11.4 ft12:12 PM 13.9 ft | 6:03 AM 2.9 ft6:46 PM -1.0 ft | 14.9 ft |
| Mon, Nov 9Range 15.0 ft | 1:14 AM 11.5 ft12:41 PM 13.9 ft | 6:38 AM 3.3 ft7:21 PM -1.1 ft | 15.0 ft |
| Tue, Nov 10Range 14.6 ft | 1:49 AM 11.4 ft1:10 PM 13.7 ft | 7:11 AM 3.8 ft7:55 PM -0.9 ft | 14.6 ft |
| Wed, Nov 11Range 13.8 ft | 2:24 AM 11.1 ft1:38 PM 13.4 ft | 7:45 AM 4.3 ft8:30 PM -0.4 ft | 13.8 ft |
| Thu, Nov 12Range 12.8 ft | 2:59 AM 10.6 ft2:07 PM 12.9 ft | 8:19 AM 4.8 ft9:08 PM 0.1 ft | 12.8 ft |
Show days 15 to 30Hide days 15 to 30 | |||
| Fri, Nov 13Range 11.4 ft | 3:38 AM 10.1 ft2:38 PM 12.2 ft | 8:56 AM 5.4 ft9:49 PM 0.8 ft | 11.4 ft |
| Sat, Nov 14Range 10.0 ft | 4:23 AM 9.6 ft3:13 PM 11.4 ft | 9:40 AM 5.9 ft10:34 PM 1.4 ft | 10.0 ft |
| Sun, Nov 15Range 8.5 ft | 5:17 AM 9.2 ft3:56 PM 10.5 ft | 10:35 AM 6.2 ft11:23 PM 2.0 ft | 8.5 ft |
| Mon, Nov 16Range 3.2 ft | 6:22 AM 9.1 ft4:56 PM 9.5 ft | 11:44 AM 6.3 ft | 3.2 ft |
| Tue, Nov 17Range 6.8 ft | 7:29 AM 9.4 ft6:23 PM 8.8 ft | 12:18 AM 2.6 ft1:08 PM 5.9 ft | 6.8 ft |
| Wed, Nov 18Range 7.1 ft | 8:21 AM 10.0 ft8:04 PM 8.7 ft | 1:19 AM 2.9 ft2:27 PM 4.9 ft | 7.1 ft |
| Thu, Nov 19Range 7.8 ft | 9:02 AM 10.9 ft9:21 PM 9.1 ft | 2:20 AM 3.1 ft3:25 PM 3.5 ft | 7.8 ft |
| Fri, Nov 20Range 9.9 ft | 9:38 AM 11.8 ft10:21 PM 9.8 ft | 3:13 AM 3.2 ft4:13 PM 1.9 ft | 9.9 ft |
| Sat, Nov 21Range 12.4 ft | 10:14 AM 12.8 ft11:15 PM 10.6 ft | 4:01 AM 3.2 ft4:56 PM 0.4 ft | 12.4 ft |
| Sun, Nov 22Range 14.8 ft | 10:52 AM 13.8 ft | 4:46 AM 3.3 ft5:39 PM -1.0 ft | 14.8 ft |
| Mon, Nov 23Range 16.8 ft | 12:03 AM 11.3 ft11:31 AM 14.7 ft | 5:29 AM 3.3 ft6:21 PM -2.1 ft | 16.8 ft |
| Tue, Nov 24Range 18.0 ft | 12:49 AM 11.7 ft12:12 PM 15.3 ft | 6:13 AM 3.4 ft7:05 PM -2.7 ft | 18.0 ft |
| Wed, Nov 25Range 18.4 ft | 1:35 AM 11.9 ft12:55 PM 15.5 ft | 6:57 AM 3.6 ft7:50 PM -2.9 ft | 18.4 ft |
| Thu, Nov 26Range 17.9 ft | 2:21 AM 11.9 ft1:39 PM 15.3 ft | 7:43 AM 3.8 ft8:38 PM -2.6 ft | 17.9 ft |
| Fri, Nov 27Range 16.5 ft | 3:10 AM 11.6 ft2:26 PM 14.6 ft | 8:33 AM 4.1 ft9:28 PM -1.9 ft | 16.5 ft |
| Sat, Nov 28Range 14.4 ft | 4:03 AM 11.3 ft3:18 PM 13.4 ft | 9:29 AM 4.5 ft10:21 PM -1.0 ft | 14.4 ft |
Conditions at Louis Bay
From the National Weather Service forecast for this spot, with today's sunrise and sunset.
Any date, past or future
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Pick a date to see the tide curve, the highs and lows and sunrise and sunset at Louis Bay.
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About Louis Bay tides
Louis Bay is a NOAA harmonic tide station (9454642): its predictions come from the tidal constituents NOAA derived from water levels measured at this spot. Heights are in feet above MLLW (Mean Lower Low Water), the datum of US nautical charts, so they line up with charted depths.
In the next 30 days, Louis Bay has two highs and two lows on 26 days and three turns on 4 days, and the daily range runs from 3.2 to 18.4 ft. That is a mixed tide: two highs and two lows on most days, of clearly different heights.
Use the curve above to time a harbor entrance, a beach walk, fishing a moving tide or clearing a shallow bar, and remember that wind, air pressure and river flow can push the real water level above or below the prediction. The daily tidal range in the tables shows how much water moves each day: bigger ranges around the new and full moon mean stronger currents.
Frequently asked
What time is high tide in Louis Bay today?+
Today (Friday, October 30), high tide at Louis Bay is at 5:05 AM (10.7 ft), 4:20 PM (13.5 ft). Heights are referenced to MLLW (Mean Lower Low Water).
What time is low tide in Louis Bay today?+
Today, low tide at Louis Bay is at 10:29 AM (4.7 ft), 11:34 PM (-0.4 ft).
What tidal datum do these Louis Bay tide heights use?+
All heights are given in feet relative to MLLW (Mean Lower Low Water), the standard NOAA chart datum for US tidal waters. A tide of 0.0 ft equals the chart datum; negative tides fall below it.
How accurate are these tide predictions?+
Louis Bay is a NOAA harmonic station (9454642), so these are NOAA's harmonic predictions for this spot, which are very accurate for the astronomical tide. Real water levels can still differ with wind, air pressure and river flow, so check conditions before you get underway.
Pathr nautical charts
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