74°
Sunny
0%
85
Barnstable County, MA · Atlantic Ocean
Marconi Beach
Marconi Beach Rd, Wellfleet, MA 02667
A Cape Cod National Seashore beach in Wellfleet — named for Guglielmo Marconi, who sent the first transatlantic wireless message from this exact bluff in 1903. Towering 60-foot dunes, dramatic open-ocean surf, fewer crowds than Nauset.
Today's Conditions
Ideal for a beach walk.
74°F water · 74°F air
Full NWS forecast for Today
Sunny, with a high near 74. Northeast wind around 7 mph.
Tonight
Mostly clear, with a low around 66. South wind around 3 mph.
Weather
- 74°F air — ideal beach weather
- Sunny skies — clear conditions
Water
- 74°F water — swimmable, refreshing
83 /100
great
82 Swim
82 Sunbathe
87 Walk
82 Photo
Best for walking today
Water level 0.6 ft above predicted
Observed water level is running higher than the astronomical tide prediction. Expect a narrower beach, faster-rising water, and stronger near-shore currents than the tide chart suggests.
Atmosphere
Air Temp
74°F
Clear
Wind
7 mph
NE
Rain
0%
Today
UV Peak
8 Very High
High 11 AM–03 PM · burn in ~25m
Burn-free before 08 AM & after 05 PM
Tomorrow
77°F
Sunny
Water
Water Temp
74°F
Swimming weather
Next Low Tide
4:52 PM
0.2 ft · in 1.6h
Barometer
30.13 inHg
1020 hPa
Water Quality
Clean
20 MPN/100mL · Enterococcus
USGS · sampled 10mo ago
Rip Current Risk · Regional Reference
No zone-specific NWS forecast for this beach (ANZ254)
The BOX office's Surf Zone Forecast doesn't cover this beach's forecast zone directly. Nearby coastal zones it does cover are listed below — regional reference only, not a substitute for the conditions at this specific beach.
- MAZ022 Barnstable MA — Chatham, Eastham, and Provincetown n/a
- MAZ024 Nantucket MA — Nantucket n/a
- MAZ023 Dukes MA — Edgartown and Aquinnah n/a
- MAZ020 Southern Bristol MA — Westport, Dartmouth, and New Bedford n/a
- RIZ007 Newport RI — Newport, Middletown, and Little Compton n/a
- RIZ006 Washington RI — Narragansett, Charlestown, and Westerly n/a
- RIZ008 Block Island RI — Block Island n/a
- MAZ019 Eastern Plymouth MA — Cohasset, Duxbury, Hingham, Kingston, n/a
- MAZ015 Suffolk MA-Eastern Norfolk MA — Boston, Chelsea, Revere, Winthrop, n/a
- MAZ007 Eastern Essex MA — Beverly, Gloucester, and Newburyport n/a
Sun & Moon
Sunrise
5:15 AM
Sunset
8:15 PM
Moon · 5%
Waning Crescent
Spring tides — bigger range
Tides
| Time | Type | Height |
|---|---|---|
| 5:08 AM | Low | -0.2 ft |
| 10:38 AM | High | 4.5 ft |
| 4:52 PM | Low | 0.2 ft |
| 10:51 PM | High | 6.2 ft |
| Time | Type | Height |
|---|---|---|
| 6:07 AM | Low | -0.4 ft |
| 11:37 AM | High | 4.7 ft |
| 5:55 PM | Low | 0.1 ft |
| 11:49 PM | High | 6.4 ft |
| Time | Type | Height |
|---|---|---|
| 7:03 AM | Low | -0.5 ft |
| 12:32 PM | High | 4.9 ft |
| 6:54 PM | Low | 0.0 ft |
| Time | Type | Height |
|---|---|---|
| 12:44 AM | High | 6.5 ft |
| 7:56 AM | Low | -0.6 ft |
| 1:26 PM | High | 5.1 ft |
| 7:52 PM | Low | -0.0 ft |
| Time | Type | Height |
|---|---|---|
| 1:39 AM | High | 6.4 ft |
| 8:47 AM | Low | -0.6 ft |
| 2:19 PM | High | 5.2 ft |
| 8:48 PM | Low | -0.1 ft |
| Time | Type | Height |
|---|---|---|
| 2:33 AM | High | 6.2 ft |
| 9:35 AM | Low | -0.6 ft |
| 3:13 PM | High | 5.3 ft |
| 9:43 PM | Low | -0.1 ft |
| Time | Type | Height |
|---|---|---|
| 3:29 AM | High | 5.9 ft |
| 10:22 AM | Low | -0.5 ft |
| 4:07 PM | High | 5.3 ft |
| 10:38 PM | Low | -0.1 ft |
High/low predictions from NOAA station 8447435, refreshed on every build. Times shown local.
7-Day Beach Day Forecast
77°
Sunny
0%
82
82°
Sunny
2%
78
86°
Mostly Sunny
7%
80
82°
Sunny
3%
85
82°
Mostly Sunny
8%
85
80°
Slight Chance Rain Showers
23%
74
What to Bring Today
- critical SPF 50 sunscreen UV index 8 — very high
- optional Swimsuit - water is swimmable Water is 74°F
Always remember water bottle, trash bag (leave no trace).
Beach Info
Parking
NPS lot at the bluff — fills mid-day in peak summer.
Dogs
Dogs prohibited on protected sections during piping plover season. Leashed access otherwise.
Entry Fee
Cape Cod National Seashore pass: $25/7-day or $60/annual.
Address
Marconi Beach Rd, Wellfleet, MA 02667
Amenities
Frequently Asked
Is it safe to swim at Marconi Beach today?
Marconi Beach shows a live water-quality reading (bacteria levels) and today's swim-safety score at the top of this page, refreshed on every update. Seasonal lifeguards patrol the swim area in summer — follow their flags. Always review the current advisories, surf, and rip-current notes before getting in the water.
Is Marconi Beach dog-friendly?
Dogs prohibited on protected sections during piping plover season. Leashed access otherwise.
Is there an entry fee at Marconi Beach?
Cape Cod National Seashore pass: $25/7-day or $60/annual.
Are there lifeguards at Marconi Beach?
Yes. Seasonal lifeguards patrol Marconi Beach during the summer swim season (typically Memorial Day through Labor Day). Outside that window, swim at your own risk.
What amenities are at Marconi Beach?
Amenities at Marconi Beach include lifeguards, restrooms, showers, overlook.
When is the water warmest at Marconi Beach?
Atlantic water temperatures peak in August. Northern beaches (ME, NH, MA) run cool — typically 60-68°F at the summer peak. Mid-Atlantic (NJ, DE, MD, VA) hits 74-76°F. The Carolinas and Florida Atlantic warm into the 80s and stay swimmable from May through October.
Where is Marconi Beach located?
Marconi Beach is in Barnstable County, MA, at Marconi Beach Rd, Wellfleet, MA 02667.
Nearby Beaches
Updated · Data from NOAA, NWS