79°
Sunny
0%
75
Middlesex County, CT · Atlantic Ocean
Hammonasset Beach State Park
1288 Boston Post Rd, Madison, CT 06443
Connecticut's largest shoreline state park — 2 miles of Long Island Sound beach in Madison. Calmer sound water (not open Atlantic), nature center, camping, and bike paths through coastal forest. The default CT beach day from anywhere along the I-95 corridor.
Today's Conditions
Ideal for a beach walk.
79°F air
Full NWS forecast for This Afternoon
Sunny. High near 79, with temperatures falling to around 76 in the afternoon. South wind around 9 mph.
Tonight
Clear, with a low around 58. Southwest wind 1 to 9 mph.
Weather
- 79°F air — ideal beach weather
- Sunny skies — clear conditions
Water
- 60°F water — chilly — expect a gasp entering
72 /100
great
60 Swim
83 Sunbathe
87 Walk
80 Photo
Best for walking today
Atmosphere
Air Temp
79°F
Clear
Wind
9 mph
S
Rain
0%
This Afternoon
UV Peak
8 Very High
High 11 AM–03 PM · burn in ~25m
Burn-free before 08 AM & after 05 PM
Tomorrow
82°F
Sunny
Water
Water Temp
60°F
Cold
Water Quality
Clean
10 MPN/100mL · Enterococcus
USGS · sampled 9mo ago
Rip Current Risk · Regional Reference
No zone-specific NWS forecast for this beach (ANZ331)
The OKX 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.
- NYZ075 Kings (Brooklyn) — Coney Island Beach and Manhattan Beach Low
- NYZ178 Southern Queens — Jacob Riis Park and Rockaway Beach Low
- NYZ179 Southern Nassau — Atlantic Beach, Long Beach, Lido Beach, Low
- NYZ080 Southwestern Suffolk — Gilgo State Park and Robert Moses State Park Low
- NYZ081 Southeastern Suffolk — Smith Point, Cupsogue Beach, Low
Sun & Moon
Sunrise
5:18 AM
Sunset
8:18 PM
Moon · 88%
Waning Gibbous
Neap tides — smaller range
Today's Tides
7-day chart →| Time | Type | Height |
|---|---|---|
| 1:36 AM | High | 6.4 ft |
| 7:58 AM | Low | 0.4 ft |
| 2:12 PM | High | 5.9 ft |
| 8:09 PM | Low | 1.1 ft |
7-Day Beach Day Forecast
82°
Sunny
1%
77
85°
Mostly Sunny
0%
77
87°
Mostly Sunny
9%
75
78°
Showers And Thunderstorms Likely
73%
11
71°
Slight Chance Rain Showers
24%
57
74°
Mostly Sunny
14%
77
What to Bring Today
- critical SPF 50 sunscreen UV index 8 — very high
- recommended Umbrella or shade warm day, light wind
- critical Wetsuit (if swimming at all) Water is 60°F — dangerously cold
Always remember water bottle, trash bag (leave no trace).
Beach Info
Parking
Large lots; entry fee in season.
Dogs
Dogs prohibited on the swimming beach Apr 1 – Sept 30; leashed permitted Sept 30 – Apr 1. Leashed allowed in picnic areas year-round; campground allows pets after Columbus Day until May 1. Max 7-ft leash.
Entry Fee
Free with CT plates via Passport to the Parks. Out-of-state vehicles $15–$22 in season; $7 after 4 PM.
Address
1288 Boston Post Rd, Madison, CT 06443
Amenities
7-Day Tide Chart →
Full high/low predictions for the next week at Hammonasset Beach State Park.
7-Day Weather →
Extended forecast for Hammonasset Beach State Park from the National Weather Service.
Frequently Asked
Is Hammonasset Beach State Park dog-friendly?
Dogs prohibited on the swimming beach Apr 1 – Sept 30; leashed permitted Sept 30 – Apr 1. Leashed allowed in picnic areas year-round; campground allows pets after Columbus Day until May 1. Max 7-ft leash.
Is there an entry fee at Hammonasset Beach State Park?
Entry to Hammonasset Beach State Park is free.
Are there lifeguards at Hammonasset Beach State Park?
Yes. Seasonal lifeguards patrol Hammonasset Beach State Park during the summer swim season (typically Memorial Day through Labor Day). Outside that window, swim at your own risk.
What amenities are at Hammonasset Beach State Park?
Amenities at Hammonasset Beach State Park include lifeguards, restrooms, showers, snack bar, campground, nature center, bike paths.
When is the water warmest at Hammonasset Beach State Park?
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 Hammonasset Beach State Park located?
Hammonasset Beach State Park is in Middlesex County, CT, at 1288 Boston Post Rd, Madison, CT 06443.
Nearby Beaches
Updated · Data from NOAA, NWS