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Surf Forecasts:

Ruby Bay surf break

Ruby Bay surfForecast / Nelson – Tasman Bay / New Zealand

information circle48hr Weather and Surf, issued 12 pm Wednesday 18 Mar 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
19.2° C
 (Which is 2.2°C warmer than normal for this time of year)

How big are the waves at Ruby Bay today?

The current surf forecast for Ruby Bay at 3PM is: 0.8m 5s primary swell from a Northwest direction and 0.1m 17s secondary swell from a North direction (forecast issued at 12:00pm March 18). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (NZDT) & DateWave HeightWave Period
Morning (18 Mar)0.5ft (0.1m)18s
Afternoon (18 Mar)2.5ft (0.8m)5s
Evening (18 Mar)0.5ft (0.1m)17s

Table - waves today at Ruby Bay. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
18
Thursday
19
Friday
20
Saturday
21
10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM
Rating
(10 max)
0
0
0
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
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
Period(s) (?)181817171717171919191818181818181818171717161616
Wave
Graph
(?)Metric surfscale
Energy kJ (?)666666677776666666666555
Wind
(km/h)
5
SW
5
NNE
0
SE
5
WSW
5
SW
5
SSW
5
SSW
5
SSW
5
S
5
NNE
10
NNE
5
N
5
SSW
5
SSW
5
SSW
5
SSW
0
ESE
10
NNE
15
NNE
5
NNE
0
SSW
5
S
5
SSE
5
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on		glassglassoffglassglasscross-
off		glasscross-
on		oncross-
on		offcross-
off		offglassglassononcross-
on		glassglassglassglass
High Tide
/ height (m)
10:41AM
4.00
11:05PM
3.89
11:15AM
4.19
11:45PM
4.06
11:51AM
4.29
12:22AM
4.18
Low Tide
/ height (m)
4:31PM
0.83
4:53AM
0.65
5:06PM
0.62
5:28AM
0.51
5:41PM
0.50
6:03AM
0.46
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunrise--------7:28-------7:28-------
Sunset---7:44-------7:42-------7:39----
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
clear
clear
Rain (mm)
------------------------
Temp. °C161920191615141317212118141312121619191715141312
Feels °C (?)151820191515131216191817131211111517171615141312
  • 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

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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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