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Surf Forecasts:
The Box surfForecast / Northland / New Zealand
48hr Weather and Surf, issued 11 am Monday 18 May 2026 NZSTForecast update in hr min s Forecast update imminent
The Box surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Box sea temperature is
17.4° C
(Which is normal for this time of year)How big are the waves at The Box today?
The current surf forecast for The Box at 5PM is: 0.9m 14s primary swell from a Southwest direction and 0.3m 19s secondary swell from a Southwest direction (forecast issued at 11:00am May 18). An open ocean swell of 0.7m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 3.5ft (1.1m) | 14s |
| Afternoon (18 May) | 3ft (0.9m) | 14s |
| Evening (18 May) | 2.5ft (0.8m) | 13s |
Table - waves today at The Box. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Tue afternoon, min 14°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | WSW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | |
459 | 341 | 331 | 322 | 215 | 168 | 200 | 216 | 427 | 411 | 380 | 360 | 350 | 429 | 346 | 398 | 398 | 382 | 299 | 295 | 208 | 208 | 175 | 134 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | off | off | off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | |
High Tide | 10:17AM3.65m | 10:43PM3.79m | 11:07AM3.58m | 11:33PM3.71m | 12:00PM3.44m | 00:27AM3.56m | ||||||||||||||||||
Low Tide | 4:32PM0.20m | 5:00AM0.31m | 5:22PM0.32m | 5:53AM0.45m | 6:13PM0.50m | |||||||||||||||||||
 |  | |  | | | | | | | | | | | | | | | | | | | | | |
 | 7:16 | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:18 |
 | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | 5:28 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 17 | 17 | 16 | 15 | 14 | 14 | 14 | 14 | 17 | 18 | 15 | 15 | 15 | 15 | 15 | 15 | 18 | 18 | 17 | 16 | 16 | 16 | 15 |
12 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 15 | 15 | 12 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 13 | 13 | 14 | 12 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
 kJ | 459 | 341 | 331 | 322 | 215 | 168 | 138 | 216 | 427 | 411 | 380 | 360 | 350 | 429 | 346 | 398 | 398 | 382 | 299 | 295 | 208 | 208 | 175 | 134 |
Swell 2 Height (m) Direction Period (s) | SW 21 | SW 20 | WSW 20 | SW 19 | SSE 5 | SW 18 | WSW 17 | SW 13 | — | SSE 4 | SW 24 | SSE 4 | — | SW 22 | SW 21 | SW 21 | SW 21 | SW 22 | SW 21 | SW 20 | SW 20 | SW 20 | SW 20 | SW 21 |
| kJ | 17 | 16 | 37 | 58 | 24 | 154 | 200 | 136 | — | 6 | 22 | 7 | — | 18 | 18 | 18 | 18 | 18 | 17 | 60 | 60 | 61 | 65 | 67 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SW 18 | — | — | — | — | S 24 | — | — | — | — | SW 8 | — | — | — | — | — | — | ESE 4 | — | SE 4 |
| kJ | — | — | — | — | 86 | — | — | — | — | 11 | — | — | — | — | 2 | — | — | — | — | — | — | 1 | — | 1 |
Wind waves Height (m) Direction Period (s) | SSE 5 | SSE 5 | S 5 | S 5 | — | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 4 | SSE 4 | SE 4 | SSE 4 | SSE 4 | SE 4 | SE 4 | ESE 4 | ESE 4 | SE 4 | E 3 | ENE 3 | NE 3 | NE 3 | NNE 3 |
| kJ | 20 | 19 | 17 | 21 | — | 18 | 16 | 14 | 13 | 12 | 6 | 14 | 7 | 7 | 4 | 7 | 7 | 4 | 4 | 2 | 3 | 3 | 5 | 7 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 10 | 10 | 0 | 10 | 10 | 10 |
Best forecast wave conditions in Northland | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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