Castle Bay, Northwest Arm Sunrise & Sunset
Monday, September 14 at Castle Bay, Northwest Arm, Alaska. There are 12h 51m of daylight, from sunrise at 8:03 AM to sunset at 8:54 PM.
The light today
From first light to last, local to Castle Bay, Northwest Arm.
Daylight by month in Castle Bay, Northwest Arm
How sunrise, sunset, and the length of the day change across 2026 at this latitude. Times are for the 15th of each month.
| Month | Sunrise | Sunset | Daylight | |
|---|---|---|---|---|
| Jan | 9:56 AM | 5:31 PM | 7h 35m | |
| Feb | 8:59 AM | 6:37 PM | 9h 38m | |
| Mar | 8:49 AM | 8:37 PM | 11h 48m | |
| Apr | 7:27 AM | 9:41 PM | 14h 14m | |
| May | 6:19 AM | 10:41 PM | 16h 22m | |
| JunLongest | 5:45 AM | 11:23 PM | 17h 39m | |
| Jul | 6:07 AM | 11:11 PM | 17h 04m | |
| Aug | 7:03 AM | 10:11 PM | 15h 07m | |
| Sep | 8:05 AM | 8:51 PM | 12h 46m | |
| Oct | 9:05 AM | 7:32 PM | 10h 27m | |
| Nov | 9:11 AM | 5:24 PM | 8h 13m | |
| DecShortest | 10:00 AM | 4:57 PM | 6h 56m |
Longest day around June 21 (17h 41m), shortest around December 21 (6h 54m). That is a swing of 10h 47m across the year.
Time your day on the water
Sunrise, tides, and the day's conditions worth knowing for your spots, plus the occasional PATHR update. No spam.
Sunrise, sunset & daylight at Castle Bay, Northwest Arm
On the water, the light runs the day. First light is when you can start to see the channel; the hour after sunrise and the hour before sunset is the soft golden light anglers and photographers wait for; and last light is your deadline to be back on the mooring. The times on this page are calculated for Castle Bay, Northwest Arm’s exact position and follow the local clock, daylight saving included.
Daylight is not fixed. It swings with the season, and how far it swings depends on latitude. Castle Bay, Northwest Arm runs from about 6h 54m at the shortest day to 17h 41m at the longest. Plan an early start against first light, line up the evening bite with the golden hour and sunset, and cross-check the Castle Bay, Northwest Arm tide chart and marine forecast before you head out.
Frequently asked
What time is sunrise and sunset in Castle Bay, Northwest Arm today?+
On Monday, September 14, the sun rises at 8:03 AM and sets at 8:54 PM at Castle Bay, Northwest Arm, Alaska. First light (dawn) is around 7:25 AM and last light (dusk) is around 9:32 PM.
How many hours of daylight does Castle Bay, Northwest Arm get today?+
Monday, September 14 has 12h 51m of daylight at Castle Bay, Northwest Arm. The days are getting shorter by about 5 minutes a day right now.
When is the longest and shortest day of the year in Castle Bay, Northwest Arm?+
The longest day at Castle Bay, Northwest Arm is around June 21 with 17h 41m of daylight, and the shortest is around December 21 with 6h 54m. That is a swing of 10h 47m across the year.
What is first light, golden hour, and solar noon?+
First light (civil dawn) is when the sky brightens enough to see, about 30 minutes before sunrise. Golden hour is the soft, low-angle light right after sunrise and right before sunset. Solar noon is when the sun is highest, at 2:28 PM today. These matter for planning a dawn departure, a photo, or the evening bite.
Are these sunrise and sunset times accurate?+
Yes. They are calculated to the minute for Castle Bay, Northwest Arm's exact coordinates (56.232°, -158.347°) using the standard astronomical equations NOAA's own solar calculator uses, and they follow the local time zone including daylight saving. Times are for a flat sea horizon; hills or headlands can shift the real moment a little.
You've got the sun times. Now get the whole day.
Pathr shows the tide, the wind, and the light on one live nautical chart, depth-aware and ready offline.
Love the free tools? Back us as a Founding member.
