Sunny, high near 65°. No real rain risk. All-day beach window. Breezy, up to 15 mph.
forecastRain OutlookOpen-Meteo
tap an hourTop rain chance is just 1% — pack the sunscreen, not the umbrella.
Tide
0.3 ft · falling ↘
Next low tide
12:24 PM 0.2 ft
T−…
1.9 ft of drop from the 7:54 AM high; the wet sand is widest from about 11:24 AM.
Wind
13 mph
from the SW
UV Index
Moderate
easy sunscreen day
Time to Burn
UV 4 · incl. sand glarefor unprotected fair skin (burns easily, tans a little). SPF 30 if you are out for more than an hour.
An estimate from the standard erythemal dose model, not a medical limit. Darker skin burns more slowly than this, people vary either way, and sunscreen only helps if you use enough of it and reapply.
Rip Current Riskestimated
todayCurrents strong enough to pull swimmers offshore. Stay near a lifeguard tower.
Caught in one? Don’t fight it. Swim parallel to the beach until you’re free, then angle back in.
Beach Flag
Yellow Flag
stay close to shore
estimated · trust the lifeguard
Water by Monthtypical
avg 2021–2024Warmest around August (71°), coolest around February (41°).
surf’s up (gently)
Tides are NOAA predictions (Main Beach station 8510560); temps, wind, UV, waves and water temp are live from Open-Meteo; rip current risk from the NWS surf-zone forecast. Flag status is estimated from wave height and wind, so always trust the lifeguard’s actual flag over this app.
The water at Main Beach is 59°F (15°C) today, 3°F warmer than the usual 56°F for November. For swimming it is cold: most swimmers want a wetsuit. Waves are 2–3 ft (moderate). The air is 59°F, feeling like 53°F, with breezy 14 mph winds from the SW. The UV index reaches 4 (moderate).
The water holds steady around 59°F through Sun Nov 8.
The week ahead at Main Beach, day by day: the sky, the high, the strongest wind and the biggest waves, the UV peak and the daytime chance of rain, and the water temperature. The calmest day for a swim looks like Wed Nov 4.
| Day | Sky | High | Wind | Waves | UV | Rain | Water |
|---|---|---|---|---|---|---|---|
| Today | Partly cloudy | 65°F | 15 mph | 2 ft | 4 | 1% | 59°F |
| Tue Nov 3 | Cloudy | 65°F | 12 mph | 1.9 ft | 4 | 4% | 59°F |
| Wed Nov 4 | Fog | 65°F | 11 mph | 1.6 ft | 4 | 0% | 60°F |
| Thu Nov 5 | Drizzle | 67°F | 14 mph | 3.9 ft | 4 | 17% | 60°F |
| Fri Nov 6 | Showers | 64°F | 11 mph | 4.3 ft | 1 | 60% | 60°F |
| Sat Nov 7 | Drizzle | 62°F | 17 mph | 4.8 ft | 3 | 43% | 60°F |
| Sun Nov 8 | Cloudy | 55°F | 11 mph | 4.8 ft | 3 | 9% | 60°F |
High and low tides for the next 7 days, from NOAA’s predictions for tide station 8510560. Heights are in feet above the average low tide. The shell window is the last hour and a quarter of the ebb and the first three-quarters of the flood around the day’s lowest daylight low, when the most sand is bare; the lowest low of the week is marked.
| Day | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Shell window |
|---|---|---|---|---|---|
| Today | High 2:30 AM 2.0 | Low 9:12 AM 0.4 | High 3:02 PM 2.3 | Low 9:54 PM 0.1 | 7:57 AM–9:57 AM |
| Tue Nov 3 | High 3:39 AM 2.1 | Low 10:21 AM 0.4 | High 4:08 PM 2.1 | Low 10:48 PM 0.1 | 9:06 AM–11:06 AM |
| Wed Nov 4 | High 4:43 AM 2.3 | Low 11:24 AM 0.3 | High 5:07 PM 2.1 | Low 11:38 PM 0.1 | 10:09 AM–12:09 PM |
| Thu Nov 5 | High 5:35 AM 2.5 | Low 12:21 PM 0.2 | High 5:56 PM 2.0 | — | 11:06 AM–1:06 PM |
| Fri Nov 6 | Low 12:24 AM 0.2 | High 6:20 AM 2.6 | Low 1:14 PM 0.2 | High 6:41 PM 1.9 | 11:59 AM–1:59 PM |
| Sat Nov 7 | Low 1:09 AM 0.2 | High 7:02 AM 2.7 | Low 2:01 PM 0.1 | High 7:24 PM 1.9 | 12:46 PM–2:46 PM |
| Sun Nov 8 | Low 1:50 AM 0.3 | High 7:43 AM 2.7 | Low 2:43 PM 0.0 | High 8:06 PM 1.9 | 1:28 PM–3:28 PM · best |
The average sea temperature at Main Beach for each month (2021–2024). The water is warmest in August (71°F) and coolest in February (41°F). It never averages 74°F, so most swimmers use a wetsuit.
| Month | Water °F | Water °C | For swimming |
|---|---|---|---|
| January | 43°F | 6°C | Cold |
| February | 41°F | 5°C | Cold |
| March | 42°F | 6°C | Cold |
| April | 47°F | 8°C | Cold |
| May | 55°F | 13°C | Cold |
| June | 63°F | 17°C | Chilly |
| July | 70°F | 21°C | Cool |
| August | 71°F | 22°C | Cool |
| September | 70°F | 21°C | Cool |
| October | 64°F | 18°C | Chilly |
| November (now) | 56°F | 13°C | Cold |
| December | 48°F | 9°C | Cold |
Rip currents. If a current pulls you away from shore, don’t fight it: swim parallel to the beach until you are out of it, then swim back in. If you can’t, float and wave for help.
Sun. The UV index peaks at 4 today. Wear SPF 30 and reapply every two hours and after swimming.
Dogs. Dogs are allowed right now. Allowed until May 15.
Swim near a lifeguard when one is on duty, and follow the beach flags and posted signs. The Main Beach rules page covers dogs, alcohol, fires and more.
Under 1 ft is calm, good for small children and floating. 1–2 ft is small, fine for most swimmers. 2–4 ft is moderate: fun for bodyboarding, harder for weak swimmers. 4–6 ft is rough, and over 6 ft is dangerous for swimming. Today at Main Beach it’s moderate.
Under 8 mph is light and pleasant. 8–15 mph is breezy, good for kites and cooler on a hot day. 15–25 mph blows sand and whips up the water. Over 25 mph most people pack up. Today at Main Beach it’s breezy.
0–2 is low, 3–5 moderate, 6–7 high, 8–10 very high and 11 or more extreme. At 8 or more, fair skin can burn in under 20 minutes. The UV index is highest around midday even when it is cloudy.
Under 60°F is cold and most people want a wetsuit. 68–73°F is cool but swimmable. 74–79°F feels comfortable, and 80°F or more feels warm.
59°F (15°C), 3°F warmer than the usual 56°F for November.
At 59°F the water is cold: most swimmers want a wetsuit. Waves are 2–3 ft, which is moderate.
2–3 ft, which is moderate. The wind is 14 mph from the SW.
High tide is at 2:30 AM and 3:02 PM, and low tide is at 9:12 AM and 9:54 PM. Times are NOAA predictions.
The UV index peaks at 4 (moderate). Wear SPF 30 and reapply every two hours and after swimming.
Highs run 55–67°F over the next 7 days. Rain is likely on Fri Nov 6. The calmest day for a swim looks like Wed Nov 4.
The water at Main Beach averages about 56°F (13°C) in November.
August is the warmest month, averaging 71°F. February is the coolest, at 41°F.
The water never averages 74°F here. It is warmest in August, at 71°F, so bring a wetsuit most of the year.
The usual water temperature in November at the nearest beaches. Tap one for its live conditions.
| Cooper's Beach conditions | 12 mi | 57°F |
|---|---|---|
| Ditch Plains Beach conditions | 14 mi | 56°F |
| Rocky Neck State Park conditions | 24 mi | 56°F |
| Ocean Beach Park conditions | 25 mi | 56°F |
| Hammonasset Beach conditions | 29 mi | 55°F |
| Watch Hill Beach conditions | 30 mi | 56°F |
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