Ruby Bay Surf Forecast

/ Nelson – Tasman Bay (18 surf breaks) /

New Zealand (466 surf breaks) / Lat Long: (41.21° S 173.09° E)

Surf Forecasts:

Ruby Bay surfForecast / Nelson – Tasman Bay / New Zealand

48hr Weather and Surf, issued 11 am Tuesday 26 Aug 2025 NZST

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 11.5° C
(Which is slightly cooler than normal)

How big are the waves at Ruby Bay today?

The current surf forecast for Ruby Bay at 2PM is: 0.1m 21s primary swell from a North direction and 0.2m 5s secondary swell from a North direction (forecast issued at 11:00am August 26). An open ocean swell of 0.1m 15s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (NZST) & Date	Wave Height	Wave Period
Morning (26 Aug)	0.5ft (0.2m)	5s
Afternoon (26 Aug)	-	-
Evening (26 Aug)	-	-

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Tuesday 26					Wednesday 27								Thursday 28								Friday 29
	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 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 (?)	N	N	NW	NW	NW	N	N	N	N	N	N	N	N	N	N	N	N	NNW	NNW	NNW	N	N	N	NW
Period(s) (?)	5	22	14	20	20	6	11	11	12	12	13	13	12	11	15	10	10	4	5	6	7	7	7	8
Wave Graph (?)
Energy (?)	2	11	0	0	0	5	12	11	28	29	13	13	5	3	5	2	2	15	44	131	158	106	86	0
Wind (km/h)	SW	NE	NE	NE	SSW	SW	SW	SW	SW	NNE	NNE	SE	SSW	SW	SW	SW	SW	ENE	NNE	N	WSW	WSW	WSW	WSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	glass	on	on	glass	glass	off	off	off	glass	glass	on	glass	off	off	off	glass	glass	glass	cross- on	cross- on	off	off	off	off
High Tide / height (m)		11:52AM 4.01					12:05AM 4.08				12:25PM 3.95				12:37AM 3.96				12:57PM 3.85				1:11AM 3.79
Low Tide / height (m)				5:39PM 0.77				5:56AM 0.79					6:06PM 0.86				6:28AM 0.92				6:34PM 1.02

	Tuesday 26					Wednesday 27								Thursday 28								Friday 29
Sunrise	7:01	-	-	-	-	-	-	-	7:01	-	-	-	-	-	-	-	6:58	-	-	-	-	-	-	-
Sunset	-	-	5:57	-	-	-	-	-	-	-	5:58	-	-	-	-	-	-	-	5:59	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	4	-	-	-
Temp. °C	8	12	12	9	7	6	6	5	8	13	12	9	7	6	6	7	9	12	13	12	11	9	9	9
Feels °C (?)	6	10	10	8	5	3	3	2	5	11	9	8	4	3	3	4	6	9	10	10	9	7	7	6

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Nelson - Tasman Bay

Lovely surf conditions on the west coast on Sunday with blue skies, almost no wind, and head-high sets. A cold start but it soon felt warm in the sunshine. Monday and Tuesday forecast about the same.
40 hours 23 minutes ago Anatori River, 83 km away

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Actual: 54 min ago

13 km/h

Cross-On

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