72°
Mostly Cloudy
1%
57
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
Great day for photography.
NWS alert active · 73°F water · 72°F air
Full NWS forecast for This Afternoon
Mostly cloudy, with a high near 72. South wind around 13 mph.
Tonight
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 68. Southwest wind 12 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Weather
- 72°F air — ideal beach weather
- Cloud cover — overcast reduces uv exposure but the vibe too
Water
- 73°F water — swimmable, refreshing
Safety
- NWS alert active — small craft advisory issued september 9 at 2:58pm edt until september 10 at 8:00pm edt by nws boston/norton ma
57 /100
good
43 Swim
64 Sunbathe
77 Walk
83 Photo
Best for photography today
Small Craft Small Craft Advisory
Small Craft Advisory issued September 9 at 2:58PM EDT until September 10 at 8:00PM EDT by NWS Boston/Norton MA
Full NWS statement
* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 7 feet expected. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary, Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM and Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. * WHEN...From 8 PM this evening to 8 PM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.
Atmosphere
Air Temp
72°F
Clear
Wind
13 mph
S
Rain
1%
This Afternoon
UV Peak
6 High
High 12 PM–01 PM · burn in ~33m
Burn-free before 09 AM & after 04 PM
Tomorrow
74°F
Slight Chance Rain Showers then Mostly Sunny
Water
Water Temp
73°F
Swimming weather
Next High Tide
11:29 PM
6.0 ft · in 4.2h
Wave Height
2.6 ft
4s · SE swell
Barometer
30.19 inHg
Falling 1.4 hPa / 3h · buoy 44020
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
6:13 AM
Sunset
7:01 PM
Moon · 5%
Waning Crescent
Spring tides — bigger range
Tides
| Time | Type | Height |
|---|---|---|
| 5:31 AM | Low | -0.3 ft |
| 11:09 AM | High | 5.1 ft |
| 5:36 PM | Low | -0.1 ft |
| 11:29 PM | High | 6.0 ft |
| Time | Type | Height |
|---|---|---|
| 6:22 AM | Low | -0.3 ft |
| 12:00 PM | High | 5.4 ft |
| 6:32 PM | Low | -0.2 ft |
| Time | Type | Height |
|---|---|---|
| 12:20 AM | High | 6.0 ft |
| 7:08 AM | Low | -0.3 ft |
| 12:47 PM | High | 5.6 ft |
| 7:24 PM | Low | -0.3 ft |
| Time | Type | Height |
|---|---|---|
| 1:09 AM | High | 5.9 ft |
| 7:52 AM | Low | -0.3 ft |
| 1:31 PM | High | 5.8 ft |
| 8:14 PM | Low | -0.3 ft |
| Time | Type | Height |
|---|---|---|
| 1:56 AM | High | 5.7 ft |
| 8:34 AM | Low | -0.1 ft |
| 2:15 PM | High | 5.8 ft |
| 9:03 PM | Low | -0.2 ft |
| Time | Type | Height |
|---|---|---|
| 2:44 AM | High | 5.4 ft |
| 9:15 AM | Low | 0.1 ft |
| 2:58 PM | High | 5.7 ft |
| 9:50 PM | Low | -0.1 ft |
| Time | Type | Height |
|---|---|---|
| 3:32 AM | High | 5.0 ft |
| 9:54 AM | Low | 0.2 ft |
| 3:42 PM | High | 5.5 ft |
| 10:37 PM | Low | -0.0 ft |
High/low predictions from NOAA station 8447435, refreshed on every build. Times shown local.
7-Day Beach Day Forecast
74°
Slight Chance Rain Showers then Mostly Sunny
20%
62
67°
Sunny
0%
73
67°
Sunny
0%
75
71°
Chance Rain Showers
46%
55
69°
Mostly Sunny
8%
76
70°
Mostly Sunny
0%
78
What to Bring Today
- recommended SPF 30 sunscreen UV index 6 — high
- optional Swimsuit - water is swimmable Water is 73°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