Located in Dukes County, Massachusetts, Tashmoo Overlook is a scenic viewpoint. The nearest town is Vineyard Haven, about 2.0 km (1.2 mi) away (Tashmoo Overlook lies WSW of town).
Sunrise & sunset directions
At Tashmoo Overlook 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) | 6:47 AM | 90° E | 6:55 PM | 271° W | 48° | 12h 08m |
| June solstice (Jun 21) | 5:10 AM | 57° ENE | 8:20 PM | 303° WNW | 72° | 15h 11m |
| September equinox (Sep 22) | 6:31 AM | 89° E | 6:42 PM | 271° W | 49° | 12h 11m |
| December solstice (Dec 21) | 7:06 AM | 121° ESE | 4:16 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
Overlooks are about the sweep of the land, so low-angle light matters most: side-light at sunrise or sunset reveals ridges and texture that midday sun flattens.
| Month (15th) | Blue hour starts | Sunrise | Golden hour ends | Golden hour starts | Sunset | Blue hour ends | Daylight |
|---|---|---|---|---|---|---|---|
| January | 6:37 AM | 7:07 AM | 7:50 AM | 3:55 PM | 4:38 PM | 5:08 PM | 9h 31m |
| February | 6:10 AM | 6:39 AM | 7:17 AM | 4:38 PM | 5:16 PM | 5:45 PM | 10h 38m |
| March | 6:28 AM | 6:55 AM | 7:32 AM | 6:13 PM | 6:49 PM | 7:17 PM | 11h 54m |
| April | 5:35 AM | 6:04 AM | 6:41 AM | 6:46 PM | 7:23 PM | 7:51 PM | 13h 19m |
| May | 4:53 AM | 5:24 AM | 6:04 AM | 7:15 PM | 7:55 PM | 8:27 PM | 14h 31m |
| June | 4:35 AM | 5:09 AM | 5:51 AM | 7:37 PM | 8:19 PM | 8:52 PM | 15h 09m |
| July | 4:50 AM | 5:22 AM | 6:03 AM | 7:35 PM | 8:16 PM | 8:49 PM | 14h 53m |
| August | 5:22 AM | 5:52 AM | 6:30 AM | 7:06 PM | 7:44 PM | 8:13 PM | 13h 51m |
| September | 5:56 AM | 6:24 AM | 7:00 AM | 6:17 PM | 6:54 PM | 7:22 PM | 12h 30m |
| October | 6:27 AM | 6:55 AM | 7:32 AM | 5:25 PM | 6:03 PM | 6:31 PM | 11h 08m |
| November | 6:02 AM | 6:32 AM | 7:13 AM | 3:43 PM | 4:24 PM | 4:54 PM | 9h 52m |
| December | 6:31 AM | 7:03 AM | 7:47 AM | 3:30 PM | 4:14 PM | 4:46 PM | 9h 12m |
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 Tashmoo Overlook, 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 | 4:11 AM – 5:11 AM | 1.0 | 16° | SE → SSE |
| April | 2:12 AM – 4:12 AM | 2.0 | 19° | SE → S |
| May | 12:10 AM – 3:20 AM | 3.2 | 20° | SE → S |
| June | 10:28 PM – 2:58 AM | 4.5 | 20° | SSE → SSW |
| July | 10:18 PM – 1:28 AM | 3.2 | 20° | S → SW |
| August | 9:29 PM – 11:29 PM | 2.0 | 19° | S → SW |
| September | 8:28 PM – 9:28 PM | 1.0 | 16° | SSW → SW |
| October | 7:35 PM – 7:35 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 ≈ 20.57 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 50% average cloud cover) and January as the cloudiest (69%). August is the warmest month and January 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 | 56 | 54 | 62 | 72 | 76 | 87 | 89 | 86 | 81 | 76 | 67 | 63 |
| Low °F | 2 | 1 | 13 | 29 | 39 | 49 | 58 | 60 | 51 | 38 | 22 | 12 |
| Precip. (in) | 3.5 | 3.6 | 4.2 | 4.1 | 3.4 | 3.6 | 3.0 | 3.0 | 3.8 | 4.5 | 4.2 | 4.4 |
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 scenic viewpoint
- Stay behind barriers — many overlook edges are undercut or crumbly.
- A panorama of 3–5 vertical frames gives more resolution and a wider view without a fisheye look.
- Blue hour after sunset is excellent for towns or roads below the viewpoint as lights come on.
- Arrive 30–45 minutes before sunrise or sunset to find a composition before the light peaks.
- Use a telephoto (70–200 mm) to isolate layered ridges and light rays instead of shooting only wide.
- Bring a spare battery — cold weather and long exposures drain them fast.
Season: Clear, dry air in autumn and after winter storms gives the longest views; summer adds wildflowers but also haze.
Suggested gear: Tripod, Telephoto lens, Graduated ND filter, Headlamp. Work out exposures with the depth of field, ND filter and NPF rule calculators.
Nearby photo spots
Other locations within 25 km of Tashmoo Overlook, closest first.
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LighthouseFAQ
When is the best time to photograph Tashmoo Overlook?
What time is golden hour at Tashmoo Overlook?
Where does the sun rise and set at Tashmoo Overlook?
Can you see the Milky Way from Tashmoo Overlook?
Do you need a permit to photograph at Tashmoo Overlook?
How far is Tashmoo Overlook from Vineyard Haven?
Sources
Location data: USGS GNIS / GeoNames. 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.