
Surf Forecasts:
Cable Bay surf forecast from 16 Jul 2026:
- Most powerful swell: Monday 20 Jul, 12PM (local time) - 0.5ft (0.2m), 14s period, NNW swell with 20 kJ wave energy.
Best Forecast Surf Conditions for Cable Bay this week:
The most powerful waves expected at Cable Bay in the next 16 days are 0.2m 14s and forecast to arrive on Monday (Jul 20) at 12PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 6s period and expected on Thursday (Jul 16) at 3PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 12PM (Mon 20th Jul) | 0.5ft (0.2m) 14s |
Table - best surf conditions forecast for Cable Bay over the next 16 days.
The Lowdown
G’day, Rusty here, and I’ve got to be straight with you – the next couple of weeks at Cable Bay are looking pretty grim. This is a real flat spell, and the forecast is basically a long stretch of nothing worth paddling out for. We’re talking about 13 days of poor surf, so don’t hold your breath. The only faint glimmer of life comes right at the very end of the window.
The water temp is sitting at 55°, which is pretty much bang on average for this time of year, so no surprises there.
The first real sign of any swell arrives on Wednesday the 29th of July. The morning sees a jump in energy, with a combined swell energy of 245 (moderate). Swell is 6ft from the NNW, but it’s short period at 6 seconds, so it’ll be a bit weak and crumbly. It’s also a cross-shore wind from the SW at 10 mph, which isn’t ideal. The afternoon gets a bit more grunt: 7ft from the NNW, period lifting to 8 seconds, and the energy jumps to 520 (strong). The wind goes light onshore from the NW at 5 mph, but it’s still a marginal call. That 7ft is getting solid, and with a short period, it’ll be a messy, lumpy wave. This is only for the experienced crew.
Then Thursday the 30th of July morning offers a little cleanup. The swell drops to 3ft from the north, period 8 seconds, with a combined energy of 142 (moderate). The wind goes glassy from the WSW at 5 mph, which is a nice change. This is the pick of the whole forecast, but it’s still only a surfable wave with very ordinary conditions. It’s a small, clean wave – maybe a longboarder’s session if you’re desperate.
After that, it’s straight back to poor conditions. The wind swings onshore from the NNW on Thursday afternoon and Friday, bringing rain and chop, and the swell fades away to nothing.
Honestly, for the next two weeks, this is a write-off. If you’ve got a kite, the bigger, windier afternoons from the 25th of July might have something for you, but for a surfboard, it’s a waiting game.
Rusty.
Short Range ForecastMostly dry. Very mild (max 15°C on Thu afternoon, min 5°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Mon afternoon. Very mild (max 13°C on Mon morning, min 7°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map | |||||||||||||||||||||
Wave Height (m) Direction Period (s) | NW 6 | NW 15 | NW 15 | NW 15 | NNW 5 | NW 16 | SW 3 | NW 18 | SW 3 | NW 16 | N 11 | N 11 | N 10 | NNW 14 | N 10 | N 10 | N 10 | N 10 | N 8 | N 8 | N 10 |
Wave Graph | |||||||||||||||||||||
0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 6 | 0 | 2 | 10 | 8 | 20 | 2 | 2 | 2 | 2 | 1 | 1 | 7 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | on | cross-off | cross | on | cross-off | cross | cross | cross-off | glassy | cross-on | cross-off | cross-off | cross | glassy | glassy | on | cross-off | cross | cross-on | cross-off |
High Tide | 11:04AM3.35m | 11:26PM3.59m | 11:50AM3.34m | 00:11AM3.54m | 12:36PM3.27m | 00:55AM3.41m | 1:20PM3.15m | 1:39AM3.22m | 2:05PM3.00m | 2:24AM3.01m | 2:52PM2.83m | 3:11AM2.79m | 3:43PM2.68m | ||||||||
Low Tide | 5:08PM0.03m | 5:39AM-0.02m | 5:53PM0.05m | 6:23AM0.03m | 6:37PM0.14m | 7:06AM0.14m | 7:21PM0.29m | 7:49AM0.31m | 8:06PM0.49m | 8:33AM0.50m | 8:53PM0.69m | 9:21AM0.70m | 9:48PM0.88m | ||||||||
7:47 | — | — | 7:46 | — | — | 7:46 | — | — | 7:45 | — | — | 7:45 | — | — | 7:43 | — | — | 7:43 | — | — | |
— | 5:16 | — | — | 5:17 | — | — | 5:19 | — | — | 5:19 | — | — | 5:20 | — | — | 5:21 | — | — | 5:22 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | — | — | — | — | — | — |
Temp °C | 14 | 15 | 10 | 11 | 12 | 8 | 11 | 13 | 8 | 11 | 11 | 9 | 13 | 13 | 11 | 9 | 10 | 9 | 12 | 13 | 9 |
Feels °C | 11 | 12 | 7 | 8 | 10 | 6 | 7 | 9 | 4 | 9 | 9 | 8 | 11 | 11 | 10 | 8 | 8 | 7 | 9 | 11 | 7 |
Swell 1 Height (m) Direction Period (s) | NW 6 | NW 6 | NW 6 | NW 15 | NW 16 | NW 16 | NW 16 | NW 18 | NW 18 | NW 16 | NW 16 | NW 15 | NW 14 | NW 4 | NNW 4 | NW 13 | NW 13 | NW 13 | — | — | NW 4 |
75 | 40 | 15 | 35 | 62 | 61 | 38 | 84 | 78 | 42 | 40 | 36 | 33 | 3 | 2 | 7 | 7 | 7 | — | — | 1 | |
Swell 2 Height (m) Direction Period (s) | NW 16 | NW 15 | NW 15 | NW 7 | NNW 5 | NW 5 | NW 5 | NW 5 | NW 5 | NW 5 | WNW 5 | N 11 | N 10 | NNW 14 | NW 14 | N 10 | N 10 | N 10 | N 8 | NW 4 | N 10 |
86 | 58 | 35 | 8 | 2 | 4 | 1 | 4 | 4 | 3 | 2 | 10 | 8 | 20 | 7 | 2 | 2 | 2 | 1 | 1 | 7 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | N 11 | NW 4 | NW 4 | N 10 | N 10 | NW 4 | — | N 7 | NW 16 | N 8 | NW 14 |
— | — | — | — | — | — | — | — | — | — | 2 | 1 | 1 | 2 | 2 | 1 | — | 1 | 10 | 1 | 8 | |
Wind waves Height (m) Direction Period (s) | — | — | — | SW 3 | — | — | SW 3 | — | SW 3 | SSW 3 | — | — | — | — | SE 2 | SE 3 | — | — | SW 3 | — | — |
— | — | — | 5 | — | — | 2 | — | 6 | 1 | — | — | — | — | 2 | 1 | — | — | 2 | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 8 | 118 | 59 | 59 | 116 | 11 | 59 | 100 | 11 | 97 | 59 | 59 | 117 | 150 | 102 | 59 | 59 | 59 | 59 | 100 | 59 |
Best forecast wave conditions in Nelson - Tasman Bay | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)
Information about the Cable Bay Surf forecast
The above surf forecast table for Cable Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cable Bay can be found by selecting the local surf guide option on the grey menu. Our Cable Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Cable Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Cable Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in Nelson - Tasman Bay? If you are looking for accommodation near Cable Bay, camping, hotels and holiday cottages in Nelson - Tasman Bay, consider staying in Nelson which is 18 km (11 miles) away. Alternatively, find information about places to stay and car hire in Blenheim which is 60 km (37 miles) away










