Located in Barnstable County, Massachusetts, Monomoy National Wildlife Refuge is a national wildlife refuge. It sits roughly 14.5 km (9.0 mi) SSE of Harwich Port.
Monomoy Island National Wildlife Refuge is a federal national wildlife refuge within the National Wildlife Refuge System in the United States. Monomoy NWR consists of 3 offshore barrier islands stretching south off of Chatham, Massachusetts: North Monomoy, South Monomoy, and Minimoy islands, as well as a parcel of land on the mainland called the Morris Island unit. Monomoy island was taken over by the US government just before World War II and established as a National Wildlife Refuge in 1944. The island was also home to the Monomoy Island Gunnery Range from 1944 until 1951. The refuge's goal is to provide habitat for migratory birds. The size of the refuge is 7,604 acres (31 km2) with varied habitats of oceans, salt and freshwater marshes, dunes, freshwater ponds, and some historic manmade structures, such as the Monomoy Point Light and keeper's quarters (decommissioned). Part of...From the Wikipedia article “Monomoy National Wildlife Refuge”, licensed under CC BY-SA 4.0.
Sunrise & sunset directions
At Monomoy National Wildlife Refuge the sunrise point swings a long way through the year: about 57° (ENE) at the June solstice and 121° (ESE) in late December. Sunset moves from 303° (WNW) in June to 239° (WSW) in December, and the midday sun climbs to 72° in summer but only 25° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 6:44 AM | 90° E | 6:52 PM | 271° W | 48° | 12h 08m |
| June solstice (Jun 21) | 5:07 AM | 57° ENE | 8:18 PM | 303° WNW | 72° | 15h 11m |
| September equinox (Sep 22) | 6:28 AM | 89° E | 6:39 PM | 271° W | 49° | 12h 11m |
| December solstice (Dec 21) | 7:04 AM | 121° ESE | 4:14 PM | 239° WSW | 25° | 9h 10m |
Azimuth is measured clockwise from true north (90° = east, 270° = west). Computed for 2026; values change by less than a degree from year to year.
Golden hour & blue hour by month
Wildlife is most active in the first and last two hours of daylight — exactly when the light is warmest.
| Month (15th) | Blue hour starts | Sunrise | Golden hour ends | Golden hour starts | Sunset | Blue hour ends | Daylight |
|---|---|---|---|---|---|---|---|
| January | 6:34 AM | 7:05 AM | 7:48 AM | 3:52 PM | 4:35 PM | 5:06 PM | 9h 30m |
| February | 6:08 AM | 6:36 AM | 7:15 AM | 4:35 PM | 5:14 PM | 5:42 PM | 10h 37m |
| March | 6:25 AM | 6:53 AM | 7:30 AM | 6:10 PM | 6:47 PM | 7:14 PM | 11h 54m |
| April | 5:32 AM | 6:01 AM | 6:38 AM | 6:43 PM | 7:20 PM | 7:49 PM | 13h 19m |
| May | 4:50 AM | 5:22 AM | 6:01 AM | 7:13 PM | 7:53 PM | 8:24 PM | 14h 31m |
| June | 4:32 AM | 5:06 AM | 5:48 AM | 7:34 PM | 8:16 PM | 8:50 PM | 15h 10m |
| July | 4:47 AM | 5:20 AM | 6:01 AM | 7:33 PM | 8:13 PM | 8:46 PM | 14h 54m |
| August | 5:20 AM | 5:49 AM | 6:28 AM | 7:03 PM | 7:41 PM | 8:11 PM | 13h 52m |
| September | 5:53 AM | 6:21 AM | 6:58 AM | 6:15 PM | 6:51 PM | 7:19 PM | 12h 30m |
| October | 6:25 AM | 6:52 AM | 7:30 AM | 5:23 PM | 6:00 PM | 6:28 PM | 11h 08m |
| November | 6:00 AM | 6:30 AM | 7:11 AM | 3:40 PM | 4:21 PM | 4:51 PM | 9h 52m |
| December | 6:29 AM | 7:00 AM | 7:45 AM | 3:27 PM | 4:12 PM | 4:43 PM | 9h 11m |
Local time (America/New York), including daylight saving time. Golden hour runs from about −4° to +6° solar altitude, so the morning golden hour begins during blue hour, before sunrise.
Milky Way & night sky
From Monomoy National Wildlife Refuge, the Milky Way core is visible in a dark sky from March through September. June gives the longest window (about 4.5 hours on a moonless night), and the core peaks around 20° above the southern horizon. Our light-pollution model puts the sky at about Bortle 4 (rural / suburban transition), good enough for detailed Milky Way images.
| Month | Core visible (15th) | Hours | Max altitude | Direction |
|---|---|---|---|---|
| January | Below 10° in darkness | — | -3° | — |
| February | Below 10° in darkness | — | 10° | — |
| March | 4:09 AM – 5:09 AM | 1.0 | 16° | SE → SSE |
| April | 2:10 AM – 4:10 AM | 2.0 | 19° | SE → S |
| May | 12:08 AM – 3:18 AM | 3.2 | 20° | SE → S |
| June | 10:26 PM – 2:56 AM | 4.5 | 20° | SSE → SSW |
| July | 10:16 PM – 1:26 AM | 3.2 | 20° | S → SW |
| August | 9:27 PM – 11:27 PM | 2.0 | 19° | S → SW |
| September | 8:26 PM – 9:26 PM | 1.0 | 16° | SSW → SW |
| October | 7:33 PM – 7:33 PM | 0.0 | 10° | SW → SW |
| November | Below 10° in darkness | — | -1° | — |
| December | Below 10° in darkness | — | -19° | — |
Window when the galactic core is at least 10° high during astronomical darkness on the 15th of each month. Pick nights within a few days of the new moon. Plan exact nights with the Milky Way planner.
Estimated sky darkness: 4 Bortle 4 — Rural / suburban transition. Light domes are visible in several directions; the Milky Way is clear but lacks detail near the horizon. Modeled zenith brightness ≈ 21.12 mag/arcsec². Aurora needs roughly Kp 6.0+ to show low on the northern horizon here.
Weather & best season
Long-term NASA satellite data for this area show September as the clearest month (about 56% average cloud cover) and January as the cloudiest (76%). August is the warmest month and February the coldest, which matters for gear, snow access and how long batteries last at night.
Average cloud cover (%)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 55 | 55 | 52 | 56 | 61 | 69 | 73 | 74 | 73 | 68 | 66 | 61 |
| Low °F | 8 | 11 | 17 | 33 | 40 | 48 | 56 | 60 | 55 | 43 | 27 | 20 |
| Precip. (in) | 4.4 | 4.5 | 4.5 | 4.3 | 3.6 | 3.6 | 3.1 | 3.2 | 3.8 | 4.9 | 4.5 | 5.5 |
Monthly climatology for the surrounding 1° grid cell from NASA POWER (MERRA-2). Mountain sites can be colder and cloudier than the cell average.
Photography tips for this national wildlife refuge
- A 400–600 mm lens (or a crop body) is the usual tool for birds.
- Fast shutter speeds (1/2000 s+) freeze wingbeats; raise ISO rather than lose the shot.
- Migration peaks bring the largest concentrations — see the birding calendar for this state.
- Use auto-loop roads as mobile blinds; animals often tolerate vehicles more than people on foot.
- Stay on designated routes and keep a respectful distance — if an animal changes behavior, you are too close.
- Check road and trail conditions with the managing agency before you go.
Season: Spring and autumn migration are the highlights; winter brings waterfowl to many southern refuges.
Suggested gear: Telephoto lens (400 mm+), Bean bag for car window, Binoculars. Work out exposures with the depth of field, ND filter and NPF rule calculators.
Permits, drones & access
Drones: Launching or landing drones on National Wildlife Refuge lands generally requires a special use permit from the refuge manager, and wildlife disturbance rules apply everywhere.
Nearby photo spots
Other locations within 40 km of Monomoy National Wildlife Refuge, closest first.
Lighthouse
Wilderness Area
Lighthouse
Lighthouse
Lighthouse
Lighthouse
Lighthouse
Lake
State ParkFAQ
When is the best time to photograph Monomoy National Wildlife Refuge?
What time is golden hour at Monomoy National Wildlife Refuge?
Where does the sun rise and set at Monomoy National Wildlife Refuge?
Can you see the Milky Way from Monomoy National Wildlife Refuge?
Do you need a permit to photograph at Monomoy National Wildlife Refuge?
How far is Monomoy National Wildlife Refuge from Harwich Port?
Sources
Location data: Wikidata, Wikipedia. Sun, moon and Milky Way times are computed by LWPhoto Atlas for 2026. Climate: NASA POWER. Sky darkness is a population-based estimate (Walker's law), not a measurement. See data sources & licenses.