Overcast, high near 86°. Rain chance peaks at 33% around 2 PM. Best beach window: 8 AM to 1 PM.
forecastRain OutlookOpen-Meteo
tap an hourPeak rain chance 33% around 2 PM — plan beach time outside that window.
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
5 mph
from the W
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 11 AM to 1 PM · peaks at UV 6
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 (81°), coolest around March (77°).
surf’s up (gently)
Tides are NOAA predictions (Hapuna Beach station 1617760); 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 Hapuna Beach is 82°F (28°C) today, about normal for October. For swimming it is warm. Waves are 2–3 ft (moderate). The air is 85°F, feeling like 92°F, with light 3 mph winds from the NNW. The UV index reaches 6 (high).
The water holds steady around 82°F through Thu Nov 5.
The week ahead at Hapuna 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 | Fog | 86°F | 6 mph | 2.2 ft | 6 | 33% | 82°F |
| Sat Oct 31 | Drizzle | 84°F | 7 mph | 2.2 ft | 6 | 47% | 82°F |
| Sun Nov 1 | Drizzle | 85°F | 9 mph | 3 ft | 7 | 43% | 82°F |
| Mon Nov 2 | Fog | 86°F | 13 mph | 2.8 ft | 7 | 15% | 82°F |
| Tue Nov 3 | Fog | 85°F | 9 mph | 2.6 ft | 7 | 5% | 82°F |
| Wed Nov 4 | Fog | 86°F | 8 mph | 1.9 ft | 7 | 12% | 82°F |
| Thu Nov 5 | Fog | 86°F | 7 mph | 2 ft | 7 | 12% | 82°F |
High and low tides for the next 7 days, from NOAA’s predictions for tide station 1617760. 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 6:41 AM 2.8 | Low 2:06 PM 1.0 | High 5:20 PM 1.1 | Low 11:50 PM 0.1 | 12:51 PM–2:51 PM |
| Sat Oct 31 | High 7:53 AM 2.6 | Low 3:59 PM 0.9 | High 7:02 PM 1.0 | — | 2:44 PM–4:44 PM |
| Sun Nov 1 | Low 1:00 AM 0.4 | High 9:11 AM 2.5 | Low 4:57 PM 0.7 | High 9:41 PM 1.1 | 3:42 PM–5:42 PM |
| Mon Nov 2 | Low 2:42 AM 0.6 | High 10:16 AM 2.4 | Low 5:32 PM 0.6 | High 11:10 PM 1.4 | 4:17 PM–6:17 PM |
| Tue Nov 3 | Low 4:20 AM 0.7 | High 11:06 AM 2.4 | Low 6:01 PM 0.4 | — | 4:46 PM–6:46 PM · best |
| Wed Nov 4 | High 12:11 AM 1.8 | Low 5:35 AM 0.8 | High 11:48 AM 2.2 | Low 6:27 PM 0.2 | — |
| Thu Nov 5 | High 12:58 AM 2.1 | Low 6:38 AM 0.8 | High 12:24 PM 2.1 | Low 6:51 PM 0.1 | 5:23 AM–7:23 AM |
The average sea temperature at Hapuna Beach for each month (2021–2024). The water is warmest in August (81°F) and coolest in March (77°F). It averages 74°F or warmer, comfortable for most swimmers, in every month.
| Month | Water °F | Water °C | For swimming |
|---|---|---|---|
| January | 78°F | 25°C | Comfortable |
| February | 77°F | 25°C | Comfortable |
| March | 77°F | 25°C | Comfortable |
| April | 78°F | 25°C | Comfortable |
| May | 79°F | 26°C | Comfortable |
| June | 80°F | 27°C | Warm |
| July | 80°F | 27°C | Warm |
| August | 81°F | 27°C | Warm |
| September | 81°F | 27°C | Warm |
| October (now) | 81°F | 27°C | Warm |
| November | 80°F | 27°C | Warm |
| December | 79°F | 26°C | Comfortable |
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 6 today. Wear SPF 30 and reapply every two hours and after swimming.
Dogs. Dogs are not allowed on this beach.
Swim near a lifeguard when one is on duty, and follow the beach flags and posted signs. The Hapuna 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 Hapuna 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 Hapuna Beach 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.
82°F (28°C), about normal for October.
At 82°F the water is warm. Waves are 2–3 ft, which is moderate.
2–3 ft, which is moderate. The wind is 3 mph from the NNW.
High tide is at 6:41 AM and 5:20 PM, and low tide is at 2:06 PM and 11:50 PM. Times are NOAA predictions.
The UV index peaks at 6 (high). Wear SPF 30 and reapply every two hours and after swimming.
Highs run 84–86°F over the next 7 days. No day has a strong chance of rain. The calmest day for a swim looks like Wed Nov 4.
The water at Hapuna Beach averages about 81°F (27°C) in October.
August is the warmest month, averaging 81°F. March is the coolest, at 77°F.
The water averages 74°F or warmer from January to December. August is the warmest, at 81°F.
The usual water temperature in October at the nearest beaches. Tap one for its live conditions.
| Makena Big Beach conditions | 60 mi | 81°F |
|---|---|---|
| Wailea Beach conditions | 62 mi | 81°F |
| Ka'anapali Beach conditions | 86 mi | 80°F |
| Kapalua Bay conditions | 89 mi | 80°F |
| Hanauma Bay conditions | 150 mi | 80°F |
| Lanikai Beach conditions | 156 mi | 80°F |
More for Hapuna Beach: parking · sunset time tonight · things to do · US water temperatures today →