Skip to content
Current

Oahu North Shore · Honolulu · Hawaii

Backdoor Surf Report & Forecast, Oahu North Shore, Hawaii

Backdoor, Oahu North Shore, Hawaii: 6–7 ft faces (3–4 ft Hawaiian scale), head high to overhead, at 10 am HST on Monday, Nov 9, rated Poor. The main swell is 4.6 ft at 11 seconds from the north-northwest, with an 18 mph cross-shore wind from the east, gusting 30 mph. Water is about 79°F, so a rashguard is enough; the next low tide is 1.2 ft at 10:08 am.

Poor

6–7 ft

3–4 ft Hawaiian scale · occasional 8 ft

Swell from the north-northwest; wind from the east at 18 mph, cross-shore; the beach faces southeast.NSWE
first light 6:17 amrating through the daylast light 6:15 pm
Swell
4.6 ft · 11 s · NNWplus 2.5 ft · 7 s · NE
Wind
18 mph (E), gusts 30cross-shore
Tide
1.2 ft risinglow 1.2 ft at 10:08 am
Water
79°Frashguard
Air
76°Ffeels like 69°F
Sun
rise 6:40 amset 5:52 pm

Backdoor surf today and tomorrow

Best-rated hour today at Backdoor: 6 pm, Good, on a rising low tide.

Today Mon, Nov 9
Surf height at Backdoor today, Mon, Nov 9, in feet from first light to last light, with the tide, the hourly rating and the wind.510150239–10 ftnow6 am: Poor7 am: Poor8 am: Poor9 am: Poor10 am: Poor11 am: Poor12 pm: Poor1 pm: Poor2 pm: Poor to Fair3 pm: Fair4 pm: Fair5 pm: Good6 pm: Good6a9a12p3p6p☀ 6:40 am5:52 pm ☾ratingwind
Tomorrow Tue, Nov 10
Surf height at Backdoor tomorrow, Tue, Nov 10, in feet from first light to last light, with the tide, the hourly rating and the wind.510150237–8 ft6 am: Poor to Fair7 am: Poor8 am: Poor9 am: Poor10 am: Poor11 am: Poor12 pm: Poor1 pm: Poor2 pm: Poor3 pm: Poor4 pm: Poor5 pm: Poor6 pm: Poor6a9a12p3p6pratingwind

Blue band: surf face height from the low end to set waves; dotted: occasional larger sets. Grey line: tide, in feet on the right scale. Colour strip: the hourly rating. Arrows: wind direction and strength, teal when offshore, orange when onshore.

Best-rated hour tomorrow at Backdoor: 6 am, Poor to Fair, on a falling high tide.

Hour by hour as a table, today and tomorrow
Today, Mon, Nov 9, first light to last light
TimeSurfRatingWindTide
6 am6–7 ftPoor19 mph cross-shore (E), gusts 322.0 ft
7 am6–7 ftPoor19 mph cross-shore (E), gusts 311.6 ft
8 am6–7 ftPoor18 mph cross-shore (E), gusts 301.4 ft
9 am6–7 ftPoor19 mph cross-shore (E), gusts 301.2 ft
10 amnow6–7 ftPoor18 mph cross-shore (E), gusts 291.2 ft
11 am6–7 ftPoor19 mph cross-shore (E), gusts 301.2 ft
12 pm6–7 ftPoor18 mph cross-shore (E), gusts 291.3 ft
1 pm7–8 ftPoor17 mph cross-shore (E), gusts 271.3 ft
2 pm7–8 ftPoor to Fair17 mph cross-shore (E), gusts 261.3 ft
3 pm7–8 ftFair17 mph cross-shore (E), gusts 261.1 ft
4 pm8–10 ftFair16 mph cross-shore (ENE), gusts 250.9 ft
5 pm9–10 ftGood15 mph cross-shore (ENE), gusts 240.6 ft
6 pm9–10 ftGood14 mph cross-shore (E), gusts 230.3 ft
Tomorrow, Tue, Nov 10
TimeSurfRatingWindTide
6 am7–8 ftPoor to Fair12 mph cross-shore (ENE), gusts 202.1 ft
7 am7–8 ftPoor15 mph cross-shore (ENE), gusts 241.8 ft
8 am6–8 ftPoor16 mph cross-shore (ENE), gusts 251.5 ft
9 am6–7 ftPoor16 mph cross-shore (ENE), gusts 251.3 ft
10 am6–7 ftPoor17 mph cross-shore (ENE), gusts 271.2 ft
11 am6–7 ftPoor17 mph cross-shore (ENE), gusts 271.1 ft
12 pm6–7 ftPoor17 mph cross-shore (ENE), gusts 271.2 ft
1 pm6–7 ftPoor18 mph cross-shore (ENE), gusts 281.2 ft
2 pm6–7 ftPoor17 mph cross-shore (ENE), gusts 261.2 ft
3 pm6–7 ftPoor16 mph cross-shore (ENE), gusts 251.1 ft
4 pm6–7 ftPoor15 mph cross-shore (ENE), gusts 240.9 ft
5 pm6–7 ftPoor15 mph cross-shore (ENE), gusts 240.6 ft
6 pm5–6 ftPoor15 mph cross-shore (ENE), gusts 260.4 ft

Backdoor waves today: sets, lulls and how they break

At 10 am, sets at Backdoor arrive about every minute with about 2 waves each, and the waves are mostly spilling and crumbly.

Set rhythm: about 2 waves per set every minute, with about 55 seconds between breaking waves.0 min15 min
Set waves
about 7.1 ft faces
Waves per set
about 2
Sets
every minute or so, each lasting about 10 s
Lulls
about 55 s between breaking waves
How they break
Spillingwhich means soft, crumbling whitewater
Shape
Crumblywhich means whitewater rolls gently down the face
Breaking
39% of waves stand up and break where surfers sitThe rest roll through.
Along-shore current
moderate, about 0.9 mphThis is not a rip current forecast. For rip current risk, see the National Weather Service.

What do these mean?

Backdoor surf this weekend and the next 10 days

Next 10 days at Backdoor: the biggest day is Thursday, Nov 12 at 10–14 ft, and the best-rated day is Monday, Nov 16 (Good). This weekend: Saturday, Nov 14, 6–10 ft and Fair; Sunday, Nov 15, 9–12 ft and Good.

Backdoor surf height by day for the next 10 days, in feet, with each day's best rating and main swell direction. Days 11 to 16 are in the Current app.this weekend510156–10Mon, Nov 9: GoodMonNov 95–8Tue, Nov 10: Poor to FairTueNov 105–14Wed, Nov 11: GoodWedNov 1110–14Thu, Nov 12: GoodThuNov 126–10Fri, Nov 13: FairFriNov 136–10Sat, Nov 14: FairSatNov 149–12Sun, Nov 15: GoodSunNov 157–12Mon, Nov 16: GoodMonNov 164–7Tue, Nov 17: PoorTueNov 173–4Wed, Nov 18: PoorWedNov 18ThuNov 19FriNov 20SatNov 21SunNov 22MonNov 23TueNov 24ratingswell

Thu, Nov 19 – Tue, Nov 24

Days 11–16 for Backdoor are in the Current app with a Premium subscription.

About the Current app →

Bars: surf face height from the low end to set waves, by day. Colour strip: the day's best rating. Arrows: main swell direction. Shaded: this weekend.

The 10-day forecast as a table, with swell and wind
Backdoor 10-day surf forecast, free. Daylight hours; the main swell is the largest at midday.
DaySurfRatingMain swellWind amWind pmBest time
Mon, Nov 96–10 ftGood5.3 ft · 12 s · NNW18 mph cross-shore (E), gusts 3017 mph cross-shore (E), gusts 266 pm
Tue, Nov 105–8 ftPoor to Fair5.8 ft · 13 s · NNW16 mph cross-shore (ENE), gusts 2517 mph cross-shore (ENE), gusts 266 am
Wed, Nov 115–14 ftGood4.0 ft · 12 s · NNW19 mph cross-shore (ENE), gusts 3221 mph cross-shore (ENE), gusts 345 pm
Thu, Nov 1210–14 ftGood9.5 ft · 15 s · NNW18 mph cross-shore (ENE), gusts 3120 mph cross-shore (ENE), gusts 338 am
Fri, Nov 136–10 ftFair6.2 ft · 14 s · NNW16 mph cross-shore (ENE), gusts 3317 mph cross-shore (ENE), gusts 327 am
Sat, Nov 146–10 ftFair4.0 ft · 13 s · NNW14 mph cross-shore (ENE), gusts 2917 mph cross-shore (ENE), gusts 328 am
Sun, Nov 159–12 ftGood3.5 ft · 13 s · NNW19 mph cross-shore (ENE), gusts 3418 mph cross-shore (E), gusts 322 pm
Mon, Nov 167–12 ftGood6.1 ft · 13 s · NNW13 mph cross-shore (E), gusts 2516 mph cross-shore (E), gusts 298 am
Tue, Nov 174–7 ftPoor—19 mph offshore (E), gusts 2620 mph cross-shore (E), gusts 278 am
Wed, Nov 183–4 ftPoor—16 mph offshore (ESE), gusts 2217 mph offshore (E)5 pm
Thu, Nov 19 – Tue, Nov 24Days 11–16 for Backdoor are in the Current app with a Premium subscription. Get the app

Backdoor tide chart and tide times

Tides at Backdoor today, Monday, Nov 9: high 2.5 ft at 3:05 am, low 1.2 ft at 10:08 am, high 1.3 ft at 1 pm and low 0.1 ft at 7:46 pm. At 10 am the tide is 1.2 ft and rising.

Tide height at Backdoor, in feet above MLLW, today and tomorrow, with high and low tide times.-101234Sun, Nov 8Mon, Nov 9Tue, Nov 10Wed, Nov 11Thu, Nov 12now 1.2 ft, risingHigh 2.5 ft3:05 amLow 1.2 ft10:08 amHigh 1.3 ft1 pmLow 0.1 ft7:46 pmHigh 2.5 ft3:37 amLow 1.1 ft11:11 amHigh 1.2 ft1 pmLow 0.1 ft8:11 pmHigh 2.4 ft4:19 amLow 0.1 ft8:36 pm
Tide height at Backdoor, in feet, today and tomorrow. Shaded bands are night; the dashed line is now.

Backdoor tide chart, November 2026

High and low tide times for the next 9 days.
DayTides
Mon, Nov 9High 2.5 ft at 3:05 amLow 1.2 ft at 10:08 amHigh 1.3 ft at 1 pmLow 0.1 ft at 7:46 pm
Tue, Nov 10High 2.5 ft at 3:37 amLow 1.1 ft at 11:11 amHigh 1.2 ft at 1 pmLow 0.1 ft at 8:11 pm
Wed, Nov 11High 2.4 ft at 4:19 amLow 0.1 ft at 8:36 pm
Thu, Nov 12High 2.3 ft at 5 amLow 0.2 ft at 9 pm
Fri, Nov 13High 2.2 ft at 5:50 amLow 0.3 ft at 9:26 pm
Sat, Nov 14High 2.2 ft at 6:42 amLow 0.5 ft at 9:45 pm
Sun, Nov 15High 2.2 ft at 7:34 amLow 0.7 ft at 9:53 pm
Mon, Nov 16High 2.1 ft at 8:25 amLow 0.8 ft at 6:08 pm
Tue, Nov 17High 2.0 ft at 9:07 am

Tide predictions, not observations. Heights in feet above MLLW.

Backdoor water temperature

The water temperature at Backdoor is about 79°F on Monday, Nov 9. With the air feeling like 69°F and an 18 mph wind, a rashguard is enough. Over the next week the water stays between 78 and 79°F.

Water temperature scale with wetsuit bands. Now 79 degrees, rashguard; 78 to 79 over the next 10 days.rashguardjacketspring3/24/3hooded 4/3hooded 5/46/5 hood79°F now

Water temperature is a forecast for the water at this spot, not a buoy reading. The wetsuit suggestion uses Billabong's wetsuit temperature scale, adjusted for air temperature and wind.

Surf spots near Backdoor

Spots near Backdoor with their rating right now, placed on a simple map.BackdoorPipelineEhukai BeachOff The WallRocky PointRockpilePupukea

Rated right now. The Current app animates the surf itself on a live map of the whole coast. See the app →

All 27 Oahu North Shore spots →

About Backdoor

Backdoor is a reef break on the North Shore of Oahu, Hawaii, facing northwest.

Follow Backdoor in the Current app

The first 10 days are free, and Premium adds days 11–16.

Forecasts are estimates. Never rely on them for safety. For rip current risk and beach hazards, check the National Weather Service. Forecasts from Current's novel physics simulation. No AI. No black boxes. Ocean and weather data: NOAA (U.S. government data). NOAA does not endorse this site.