Surf Forecasts:
How big are the waves at Stewart Island - Saber Reef today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 21ft (6.5m), 18s period with SW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 3.5ft (1.0m), 14s period with ESE swell.
- Evening surf: Evening surf (18 Jul, local time) - 3.5ft (1.0m), 14s period with ESE swell.
The current surf forecast for Stewart Island - Saber Reef at 2AM is: 8.0m 18s primary swell from a Southwest direction and 7.0m 18s secondary swell from a Southwest direction, 1.0m 16s secondary swell from a East-southeast direction (forecast issued at 05:00pm July 17). The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 21ft (6.5m) | 18s |
| Afternoon (18 Jul) | 3.5ft (1.0m) | 14s |
| Evening (18 Jul) | 3.5ft (1.0m) | 14s |
Table - waves today at Stewart Island - Saber Reef. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 25mm), heaviest during Sat night. Very mild (max 12°C on Fri night, min 8°C on Sat night). Winds decreasing (near gales from the WNW on Fri night, light winds from the WNW by Mon morning). | |||||||||||||||||||
Fri 17 | Saturday 18 | Sunday 19 | |||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | ESE 16 | SW 17 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 17 | ESE 14 | SW 16 | ESE 14 | ESE 14 | SW 15 | SW 15 | SW 14 | SW 15 | SW 15 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 385 | 6729 | 35784 | 37332 | 42371 | 28559 | 24290 | 20156 | 389 | 11188 | 362 | 352 | 7657 | 7105 | 6011 | 7532 | 8033 | 7672 | 7823 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:40AM2.37m | 4:13PM2.29m | 4:31AM2.26m | 5:02PM2.17m | |||||||||||||||
Low Tide | 9:26PM0.14m | 9:52AM0.02m | 10:16PM0.21m | 10:43AM0.16m | |||||||||||||||
 |  |  | |  | |  | | | |  |  |  | | | | | | | |
 | — | — | — | — | — | 8:26 | — | — | — | — | — | — | — | 8:26 | — | — | — | — | — |
 | 5:21 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — |
mm | — | 1 | — | — | 1 | 1 | 2 | 5 | 5 | 3 | 7 | — | — | — | — | — | — | — | — |
Temp °C | 11 | 11 | 11 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 9 | 9 | 8 | 8 | 9 | 9 | 9 | 9 | 9 |
Feels °C | 1 | 1 | 2 | 2 | 2 | 4 | 3 | 3 | 2 | 4 | 5 | 3 | 2 | 1 | 3 | 3 | 3 | 4 | 4 |
Swell 1 Height (m) Direction Period (s) | ESE 16 | SW 17 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 17 | WSW 16 | WSW 16 | WSW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 15 | SW 15 | SW 14 | SW 14 |
| kJ | 385 | 6729 | 35784 | 37332 | 33487 | 28559 | 24290 | 20156 | 15329 | 13924 | 11392 | 8680 | 7657 | 7105 | 6011 | 7532 | 8033 | 7672 | 7823 |
Swell 2 Height (m) Direction Period (s) | — | ESE 16 | ESE 16 | ESE 16 | ESE 16 | ESE 15 | ESE 15 | ESE 15 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | WSW 15 | ESE 13 | ESE 13 | ESE 13 | ESE 13 |
| kJ | — | 376 | 487 | 481 | 463 | 451 | 559 | 491 | 389 | 378 | 362 | 352 | 286 | 286 | 1021 | 201 | 195 | 149 | 149 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | ESE 16 | — | — | — | — | — | — | — | — | — | ESE 14 | — | — | — | ESE 13 |
| kJ | — | — | — | — | 589 | — | — | — | — | — | — | — | — | — | 207 | — | — | — | 192 |
Wind waves Height (m) Direction Period (s) | WSW 14 | WSW 14 | — | — | SW 18 | — | — | — | — | SW 16 | — | — | — | — | — | — | — | — | — |
| kJ | 10543 | 8305 | — | — | 42371 | — | — | — | — | 11188 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 221 | 221 | 221 | 224 | 224 | 221 | 221 | 92 | 145 | 221 | 145 | 119 | 174 | 174 | 145 | 145 | 145 | 92 | 92 |
Best forecast wave conditions in Southland | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
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