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Surf Forecasts:

Ruby Bay surf break

Ruby Bay surfForecast / Nelson – Tasman Bay / New Zealand

information circle12 Day Weather and Surf, issued 12 am Friday 09 Jan 2026 NZDT
Forecast update in hr  min  s Forecast update imminent
Ruby Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ruby Bay sea temperature is
20.0° C
 (Which is 3.1°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Ruby Bay this week:

The most powerful waves expected at Ruby Bay in the next 12 days are 1.6m 6s and forecast to arrive on Sunday (Jan 11) at 4PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 7s period and expected on Monday (Jan 12) at 1AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 4PM (Sun 11th Jan)5ft (1.6m) 6s

Table - best surf conditions forecast for Ruby Bay over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 27°C on Sun afternoon, min 13°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Sun night. Warm (max 21°C on Mon morning, min 10°C on Mon night). Wind will be generally light.

Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thu
15
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.9
NNW
1.4
NW
1.2
NW
1.6
NNW
1.7
NNW
0.7
N
0.9
NNE
0.3
N
0.2
N
1.4
NW
0.2
N
0.2
N
0.2
N
0.2
N
0.2
N
0.2
N
Period(s) (?)14131317136666764656141313121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)443635313888164002152118161413111111
Wind
(km/h)
10
SW
5
SW
10
SW
10
SW
5
SSW
5
N
5
W
5
NE
20
NNW
20
NNW
5
SW
20
NE
5
SW
0
NNE
10
NE
15
WSW
5
W
0
NE
5
SW
5
N
10
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffglasscross-
on		glassglasscrosscrossoffonglassglassonoffglassglassglassglasson
High Tide
/ height (m)
2:55AM
3.82
3:10PM
3.84
3:37AM
3.67
3:57PM
3.66
4:19AM
3.52
4:46PM
3.49
5:07AM
3.38
5:41PM
3.35
6:04AM
3.28
6:41PM
3.24
7:16AM
3.25
7:43PM
3.21
8:33AM
3.35
Low Tide
/ height (m)
8:37AM
1.10
9:08PM
1.18
9:16AM
1.28
9:55PM
1.37
10:03AM
1.48
10:48PM
1.52
11:06AM
1.66
11:45PM
1.63
12:24PM
1.76
12:43AM
1.67
1:33PM
1.75
1:41AM
1.67
2:30PM
1.67
Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thu
15
Sunrise-6:05--6:05--6:07--6:07--6:09--6:09--6:11-
Sunset--9:02--9:01--9:01--9:01--9:01--9:00--9:00
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
clear
clear
clear
cloud
part cloud
cloud
light rain
part cloud
clear
clear
Rain (mm)
---------1-------1---
Temp. °C182326192426182527202118141921151917152021
Feels °C (?)182325182325182423191714141720131717161920
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Latest Updates

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The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

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Discover more articles and updates in the Greenroom.

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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Ruby Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Ruby Bay at:
surf-forecast.com

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Information about the Ruby Bay Surf forecast

The above surf forecast table for Ruby Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Ruby Bay can be found by selecting the local surf guide option on the grey menu. Our Ruby 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 (Ruby 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 Ruby 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 Ruby Bay, camping, hotels and holiday cottages in Nelson - Tasman Bay, consider staying in Nelson which is 17 km (11 miles) away. Alternatively, find information about places to stay and car hire in Blenheim which is 80 km (50 miles) away

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