Partly cloudy, high near 87°. It might rain around 7 AM, 20% chance. All-day beach window.
forecastRain OutlookOpen-Meteo
tap an hourTop rain chance is just 20% — 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 ENE
UV Index
High
reapply every 80 min
Time to Burn
UV 6 · incl. sand glarefor unprotected fair skin (burns easily, tans a little). SPF 30+, reapply every 2 hours and after every swim.
Strongest 12 PM to 4 PM · peaks at UV 7
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 September (87°), coolest around February (79°).
surf’s up (gently)
Tides are NOAA predictions (Dean's Blue Hole station ); 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 Dean's Blue Hole is 85°F (29°C) today, about normal for October. For swimming it is warm. Waves are 2–3 ft (moderate). The air is 79°F, feeling like 86°F, with light 5 mph winds from the E. The UV index reaches 7 (high), strongest from 12 PM to 3 PM.
The water holds steady around 85°F through Fri Nov 6.
The week ahead at Dean's Blue Hole, 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 Thu Nov 5.
| Day | Sky | High | Wind | Waves | UV | Rain | Water |
|---|---|---|---|---|---|---|---|
| Today | Cloudy | 87°F | 13 mph | 2.1 ft | 7 | 18% | 85°F |
| Sun Nov 1 | Thunderstorms | 83°F | 19 mph | 3.1 ft | 7 | 50% | 85°F |
| Mon Nov 2 | Thunderstorms | 83°F | 18 mph | 3.1 ft | 6 | 73% | 85°F |
| Tue Nov 3 | Drizzle | 83°F | 15 mph | 2.1 ft | 7 | 56% | 85°F |
| Wed Nov 4 | Cloudy | 82°F | 9 mph | 1.6 ft | 7 | 45% | 85°F |
| Thu Nov 5 | Drizzle | 82°F | 9 mph | 1.4 ft | 7 | 38% | 85°F |
| Fri Nov 6 | Partly cloudy | 81°F | 6 mph | 1.5 ft | 7 | 18% | 85°F |
The average sea temperature at Dean's Blue Hole for each month (2021–2024). The water is warmest in September (87°F) and coolest in February (79°F). It averages 74°F or warmer, comfortable for most swimmers, in every month.
| Month | Water °F | Water °C | For swimming |
|---|---|---|---|
| January | 80°F | 27°C | Warm |
| February | 79°F | 26°C | Comfortable |
| March | 79°F | 26°C | Comfortable |
| April | 80°F | 27°C | Warm |
| May | 82°F | 28°C | Warm |
| June | 84°F | 29°C | Warm |
| July | 86°F | 30°C | Warm |
| August | 86°F | 30°C | Very warm |
| September | 87°F | 30°C | Very warm |
| October (now) | 86°F | 30°C | Warm |
| November | 83°F | 28°C | Warm |
| December | 81°F | 27°C | Warm |
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 7 today, when unprotected fair skin burns in about 21 minutes. Wear SPF 30 or higher, reapply every two hours and after swimming, and find shade in the middle of the day.
Swim near a lifeguard when one is on duty, and follow the beach flags and posted signs. The Dean's Blue Hole 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 Dean's Blue Hole 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 Dean's Blue Hole it’s light.
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.
85°F (29°C), about normal for October.
At 85°F the water is warm. Waves are 2–3 ft, which is moderate.
2–3 ft, which is moderate. The wind is 5 mph from the E.
The UV index peaks at 7 (high). At that peak, unprotected fair skin burns in about 21 minutes. Wear SPF 30 or higher, reapply every two hours and after swimming, and find shade in the middle of the day.
Highs run 81–87°F over the next 7 days. Rain is likely on Sun Nov 1, Mon Nov 2 and Tue Nov 3. The calmest day for a swim looks like Thu Nov 5.
The water at Dean's Blue Hole averages about 86°F (30°C) in October.
September is the warmest month, averaging 87°F. February is the coolest, at 79°F.
The water averages 74°F or warmer from January to December. September is the warmest, at 87°F.
The usual water temperature in October at the nearest beaches. Tap one for its live conditions.
| Stocking Island Beach conditions | 51 mi | 85°F |
|---|---|---|
| French Leave Beach conditions | 157 mi | 85°F |
| Pink Sands Beach conditions | 194 mi | 84°F |
| Paradise Island Beach conditions | 196 mi | 84°F |
| Cable Beach conditions | 198 mi | 84°F |
| Tahiti Beach conditions | 261 mi | 83°F |
More for Dean's Blue Hole: parking · sunset time tonight · things to do · US water temperatures today →