Castle Bay, Northwest Arm, AK Tide Chart & Tide Times

NOAA tide station 9458907 · Alaska · updated Oct 23, 2026

Sat, Oct 24: High tide 1:43 AM (8.0 ft) and 1:46 PM (9.4 ft); low tide 7:40 AM (1.7 ft) and 8:19 PM (-0.0 ft).

Tide todayHigh 1:43 AM · High 1:46 PMLow 7:40 AM · Low 8:19 PM
Today's range9.4 ft-0.0 → 9.4 ft (MLLW)
Wind (forecast)Loading…   
Sun9:25 AM – 7:08 PMFirst light 8:45 AM · Last light 7:48 PM

Wind: NOAA National Weather Service hourly forecast (api.weather.gov); no observing station within 25 mi.

Castle Bay, Northwest Arm tides — next 3 days

Shaded = night · heights in feet above MLLW · local time

YesterdayFri, Oct 23
6 AMNoon6 PM12:54a · 7.6′7:04a · 1.6′1:16p · 8.7′7:42p · 1.1′
  • High 12:54 AM 7.6 ft
  • Low 7:04 AM 1.6 ft
  • High 1:16 PM 8.7 ft
  • Low 7:42 PM 1.1 ft

First light 8:43 AMSunrise 9:22 AMSunset 7:11 PMLast light 7:50 PM

TodaySat, Oct 24
6 AMNoon6 PM1:43a · 8.0′7:40a · 1.7′1:46p · 9.4′8:19p · -0.0′
  • High 1:43 AM 8.0 ft
  • Low 7:40 AM 1.7 ft
  • High 1:46 PM 9.4 ft
  • Low 8:19 PM -0.0 ft

First light 8:45 AMSunrise 9:25 AMSunset 7:08 PMLast light 7:48 PM

TomorrowSun, Oct 25
6 AMNoon6 PM2:29a · 8.3′8:14a · 1.9′2:18p · 10.0′8:57p · -0.9′
  • High 2:29 AM 8.3 ft
  • Low 8:14 AM 1.9 ft
  • High 2:18 PM 10.0 ft
  • Low 8:57 PM -0.9 ft

First light 8:47 AMSunrise 9:27 AMSunset 7:06 PMLast light 7:46 PM

MondayMon, Oct 26
6 AMNoon6 PM3:14a · 8.4′8:48a · 2.3′2:51p · 10.5′9:37p · -1.6′
  • High 3:14 AM 8.4 ft
  • Low 8:48 AM 2.3 ft
  • High 2:51 PM 10.5 ft
  • Low 9:37 PM -1.6 ft

First light 8:49 AMSunrise 9:29 AMSunset 7:04 PMLast light 7:44 PM

TuesdayTue, Oct 27
6 AMNoon6 PM4:01a · 8.3′9:24a · 2.7′3:27p · 10.7′10:21p · -1.9′
  • High 4:01 AM 8.3 ft
  • Low 9:24 AM 2.7 ft
  • High 3:27 PM 10.7 ft
  • Low 10:21 PM -1.9 ft

First light 8:51 AMSunrise 9:31 AMSunset 7:01 PMLast light 7:41 PM

Castle Bay, Northwest Arm tide table — next 8 days

Fri, Oct 23High 12:54 AM
7.57 ft
Low 7:04 AM
1.64 ft
High 1:16 PM
8.73 ft
Low 7:42 PM
1.07 ft
Sat, Oct 24High 1:43 AM
7.99 ft
Low 7:40 AM
1.74 ft
High 1:46 PM
9.42 ft
Low 8:19 PM
-0.03 ft
Sun, Oct 25High 2:29 AM
8.29 ft
Low 8:14 AM
1.95 ft
High 2:18 PM
10.03 ft
Low 8:57 PM
-0.94 ft
Mon, Oct 26High 3:14 AM
8.42 ft
Low 8:48 AM
2.26 ft
High 2:51 PM
10.48 ft
Low 9:37 PM
-1.58 ft
Tue, Oct 27High 4:01 AM
8.35 ft
Low 9:24 AM
2.65 ft
High 3:27 PM
10.72 ft
Low 10:21 PM
-1.87 ft
Wed, Oct 28High 4:49 AM
8.09 ft
Low 10:02 AM
3.10 ft
High 4:06 PM
10.71 ft
Low 11:08 PM
-1.81 ft
Thu, Oct 29High 5:40 AM
7.70 ft
Low 10:43 AM
3.57 ft
High 4:50 PM
10.41 ft
Low 11:59 PM
-1.42 ft
Fri, Oct 30High 6:35 AM
7.26 ft
Low 11:31 AM
4.04 ft
High 5:39 PM
9.85 ft
Sat, Oct 31Low 12:55 AM
-0.79 ft
High 7:39 AM
6.91 ft
Low 12:32 PM
4.48 ft
High 6:36 PM
9.04 ft

Times are local (standard/daylight). Heights in feet above MLLW.

Nearby tide stations

About this station

NOAA station ID
9458907
Type
Reference (harmonic) station
Coordinates
56.2317, -158.3470
Datum
MLLW (feet)
Time zone
America/Anchorage

FAQ

When is high tide today at Castle Bay, Northwest Arm, AK?

On Sat, Oct 24, predicted high tide at Castle Bay, Northwest Arm, AK is at 1:43 AM, 1:46 PM local time.

When is low tide today at Castle Bay, Northwest Arm, AK?

On Sat, Oct 24, predicted low tide at Castle Bay, Northwest Arm, AK is at 7:40 AM, 8:19 PM local time.

Where does this tide data come from?

Predictions come from NOAA's Center for Operational Oceanographic Products and Services (CO-OPS), station 9458907. Heights are in feet relative to Mean Lower Low Water (MLLW).