South Yarmouth, Bass River Sunrise & Sunset
Saturday, September 12 at South Yarmouth, Bass River, Massachusetts. There are 12h 38m of daylight, from sunrise at 6:18 AM to sunset at 6:56 PM.
The light today
From first light to last, local to South Yarmouth, Bass River.
Daylight by month in South Yarmouth, Bass River
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 | 7:06 AM | 4:35 PM | 9h 30m | |
| Feb | 6:37 AM | 5:14 PM | 10h 37m | |
| Mar | 6:53 AM | 6:47 PM | 11h 54m | |
| Apr | 6:01 AM | 7:21 PM | 13h 20m | |
| May | 5:21 AM | 7:53 PM | 14h 32m | |
| JunLongest | 5:06 AM | 8:17 PM | 15h 11m | |
| Jul | 5:19 AM | 8:14 PM | 14h 55m | |
| Aug | 5:49 AM | 7:41 PM | 13h 52m | |
| Sep | 6:21 AM | 6:51 PM | 12h 30m | |
| Oct | 6:53 AM | 6:00 PM | 11h 07m | |
| Nov | 6:30 AM | 4:21 PM | 9h 51m | |
| DecShortest | 7:00 AM | 4:11 PM | 9h 11m |
Longest day around June 21 (15h 12m), shortest around December 21 (9h 09m). That is a swing of 6h 03m 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 South Yarmouth, Bass River
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 South Yarmouth, Bass River’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. South Yarmouth, Bass River runs from about 9h 09m at the shortest day to 15h 12m 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 South Yarmouth, Bass River tide chart and marine forecast before you head out.
Frequently asked
What time is sunrise and sunset in South Yarmouth, Bass River today?+
On Saturday, September 12, the sun rises at 6:18 AM and sets at 6:56 PM at South Yarmouth, Bass River, Massachusetts. First light (dawn) is around 5:50 AM and last light (dusk) is around 7:24 PM.
How many hours of daylight does South Yarmouth, Bass River get today?+
Saturday, September 12 has 12h 38m of daylight at South Yarmouth, Bass River. The days are getting shorter by about 3 minutes a day right now.
When is the longest and shortest day of the year in South Yarmouth, Bass River?+
The longest day at South Yarmouth, Bass River is around June 21 with 15h 12m of daylight, and the shortest is around December 21 with 9h 09m. That is a swing of 6h 03m 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 12:37 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 South Yarmouth, Bass River's exact coordinates (41.665°, -70.183°) 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.
Bridge clearances near South Yarmouth, Bass River
Vertical clearance and drawbridge opening schedules for the bridges closest to South Yarmouth, Bass River. Check them against your air draft before you head out.
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