Castles Beach Surf Report & Forecast

Kailua, Hawaii

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Current Surf Conditions at Castles Beach

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Data Cache Status

Last Updated:Just now
Next Refresh:In 3 days
Fresh data (72h remaining)

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🌊 Surf Quality Timeline (Week)

Best windows in green
Sun
Mon
Tue
Wed
Thu
Fri
Sat

SELECT DAY

10:00 AM Pacific/Honolulu
Surf Quality: POOR
12 AM6 AM12 PM6 PM11 PM
SUN

🌊 Surf Quality Timeline

Best windows in green
12AM6AM12PM6PM11PM

🌬️ WIND

N
E
S
W
12
kt

🌊 SWELL

N
E
S
W
1.6
ft
🌊
SWELL
HEIGHT
1.6ft
🌊
SWELL
PERIOD
9s
💨
WIND GUSTS
13kt
🌡️
AIR TEMP
22°C
🌊
SECONDARY
SWELL
1.2ft @
11s
🌧️
PRECIPITATION
0.2mm
SURF QUALITY
POOR
Poor conditions right now. Small 1.6ft waves with quality 9s ground swell but pretty windy at 12kt Note: winds from NNE would be better. Might want to wait for better conditions.

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📊 7-Day Detailed Forecast

Expandable daily forecasts with hourly details

Sunday

Apr 5
POORCheck individual hours
🌊 0.8-3.4ft 💨 11-17kt 🌡️ 22-23°C
TimeQualitySwell HeightPeriodSwell DirWind SpeedWind DirGustsAir TempWater TempRain
12:00 AM
POOR
0.8ft12sNNW15ktENE16kt22°C24°C0mm
1:00 AM
POOR
0.9ft12sNNW14ktENE15kt22°C24°C0mm
2:00 AM
POOR
0.9ft12sNNW13ktENE15kt22°C24°C0mm
3:00 AM
POOR
1ft12sNNW13ktENE15kt22°C24°C0mm
4:00 AM
POOR
1.1ft12sNNW13ktENE14kt22°C24°C0mm
5:00 AM
POOR
1.2ft12sNNW13ktENE14kt22°C24°C0.1mm
6:00 AM
POOR
1.2ft12sNNW14ktENE14kt22°C24°C0.1mm
7:00 AM
POOR
1.2ft12sNNW14ktENE14kt22°C24°C0.1mm
8:00 AM
POOR
1.3ft12sNNW14ktENE14kt23°C24°C0.1mm
9:00 AM
POOR
1.4ft10sN13ktENE14kt23°C24°C0.1mm
10:00 AM
POOR
1.6ft9sNNE12ktE13kt22°C24°C0.2mm
11:00 AM
POOR
1.8ft7sENE11ktE12kt22°C24°C0.2mm
12:00 PM
POOR
2.3ft7sNE11ktE12kt22°C24°C0.2mm
1:00 PM
POOR
2.9ft6sNE12ktENE12kt22°C24°C0.2mm
2:00 PM
POOR
3.4ft6sNE12ktENE12kt22°C24°C0.2mm
3:00 PM
POOR
2.8ft6sNE13ktENE14kt22°C24°C0.2mm
4:00 PM
POOR
2.2ft7sENE15ktENE15kt22°C24°C0.1mm
5:00 PM
POOR
1.6ft7sENE17ktENE17kt22°C24°C0.1mm
6:00 PM
POOR
1.6ft8sNE17ktENE17kt22°C24°C0.1mm
7:00 PM
POOR
1.6ft9sN17ktENE18kt22°C24°C0.1mm
8:00 PM
POOR
1.6ft10sNNW17ktE18kt22°C24°C0.1mm
9:00 PM
POOR
1.5ft10sNNW17ktE18kt23°C24°C0.1mm
10:00 PM
POOR
1.5ft10sNNW17ktE18kt23°C24°C0.1mm
11:00 PM
POOR
1.5ft10sNNW17ktE18kt23°C24°C0.1mm

Monday

Apr 6
POORCheck individual hours
🌊 1.1-1.6ft 💨 15-17kt 🌡️ 22-23°C

Tuesday

Apr 7
FAIR1 good hours
🌊 1.0-3.1ft 💨 5-16kt 🌡️ 22-23°C

Wednesday

Apr 8
FAIR7 good hours
🌊 3.1-3.7ft 💨 4-10kt 🌡️ 23-24°C

Thursday

Apr 9
GOOD11 good hours
🌊 2.4-3.2ft 💨 2-15kt 🌡️ 22-23°C

Friday

Apr 10
POOR6 good hours
🌊 2.7-3.7ft 💨 7-19kt 🌡️ 22-24°C

Saturday

Apr 11
POORCheck individual hours
🌊 1.6-2.6ft 💨 13-20kt 🌡️ 23-24°C

Forecast Summary

Best Day:Check forecast for optimal conditions
Average Swell:1.5ft @ 9s
Wind Conditions:11-17kt ENE
Water Temperature:24°C

Local Knowledge & Surf Guide

Local Knowledge

Castles in Oahu is an exposed beach and reef break that offers optimal surfing conditions mainly in summer. It works best with offshore winds from the north-northeast and receives a mix of groundswells and windswells, with the ideal swell direction from the south-southeast. The reef breaks left, and the spot is rarely crowded. Surfers should watch out for rocks and other hazards. The best conditions occur when a northeast swell combines with offshore winds from the west, with the prime surfing season during winter, especially in November.

Best Swell Direction: E
Bottom Type: Sand
Location: City: Kailua | County: Honolulu County | State: Hawaii | Country: United States | Postcode: 96734 | Road: Kaimoani Way | Full Address: 199, Kaimoani Way, Kailua, Honolulu County, Hawaii, 96734, United States

Ideal Conditions

This spot performs best under these specific conditions. Forecasts take these into account when rating surf quality.

Ideal Swell DirectionSSE
Ideal Wind DirectionNNE

🌊 Tide Table

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🌅 Sunrise & 🌙 Moon

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