Delaware Bay (East end) surfForecast / Nelson – Tasman Bay / New Zealand

information circle12 Day Weather and Surf, issued 6 am Thursday 25 Dec 2025 NZDT
Forecast update in hr  min  s Forecast update imminent
Delaware Bay (East end) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Delaware Bay (East end) sea temperature is
18.0° C
(Which is 2.0°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Delaware Bay (East end) this week:

The surf forecast for Delaware Bay (East end) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jan 01) at 4AM. The primary swell is predicted to be 1.2m and 8s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Delaware Bay (East end) in the next 12 days are 2.4m 6s and forecast to arrive on Friday (Dec 26) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 7s period and expected on Friday (Dec 26) at 7PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Thu 1st Jan)4ft (1.2m) 8s
Best Surf 7AM (Thu 1st Jan)6ft (1.8m) 7s
Most Powerful 4AM (Fri 26th Dec)8ft (2.4m) 6s

Table - best surf conditions forecast for Delaware Bay (East end) over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 13mm), heaviest on Thu night. Very mild (max 19°C on Thu afternoon, min 12°C on Fri night). Winds decreasing (fresh winds from the NNW on Fri afternoon, calm by Fri night).

Days 3-6 Weather Summary Moderate rain (total 10mm), heaviest on Mon night. Very mild (max 19°C on Mon morning, min 12°C on Mon night). Winds increasing (calm on Sun afternoon, strong winds from the SE by Mon night).

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
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
Wave Height (m) & direction (?)
0.9
NW
2.2
NNW
2
NNW
1.5
NNW
2.4
NNW
1.2
NW
0.7
NNW
1.3
NNW
0.9
NNW
0.2
NNW
0.2
NNW
0.2
NNW
0.2
NNW
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.1
N
0.6
N
Period(s) (?)666766655131367131312121211117
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5437728404370338741161645333332236
Wind
(km/h)
10
WNW
30
NNW
25
NNW
20
NW
35
NNW
10
W
5
WNW
20
NNW
5
SSE
5
N
10
NNE
15
SSE
25
SE
40
ESE
35
SE
30
SE
15
SSE
20
SSE
20
SSE
20
SE
10
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crossglasscross-
on
glassglasscross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
off
High Tide
/ height (m)
2:04PM
3.12
2:28AM
2.90
2:47PM
3.05
3:16AM
2.84
3:36PM
2.97
4:10AM
2.78
4:32PM
2.89
5:11AM
2.76
5:36PM
2.83
6:17AM
2.79
6:44PM
2.83
7:25AM
2.88
7:53PM
2.90
Low Tide
/ height (m)
8:19PM
0.42
8:31AM
0.51
9:03PM
0.47
9:19AM
0.60
9:53PM
0.54
10:14AM
0.69
10:51PM
0.60
11:18AM
0.75
11:56PM
0.62
12:30PM
0.75
1:06AM
0.60
1:42PM
0.66
2:12AM
0.51
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Sunrise5:50--5:50--5:52--5:52--5:52--5:54--5:54--
Sunset-8:59--9:00--9:00--9:00--9:00--9:00--9:00-
clear
clear
rain showers
light rain
clear
clear
clear
part cloud
clear
clear
cloud
part cloud
clear
part cloud
light rain
rain showers
cloud
light rain
cloud
cloud
part cloud
Rain (mm)
--112----------42-4---
Temp. °C181917181914171714181815191914151514171815
Feels °C (?)13141414121114131315161411116101110131513
  • 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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Information about the Delaware Bay (East end) Surf forecast

The above surf forecast table for Delaware Bay (East end) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Delaware Bay (East end) can be found by selecting the local surf guide option on the grey menu. Our Delaware Bay (East end) 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 (Delaware Bay (East end)) 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 Delaware Bay (East end) 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 Delaware Bay (East end), camping, hotels and holiday cottages in Nelson - Tasman Bay, consider staying in Nelson which is 21 km (13 miles) away. Alternatively, find information about places to stay and car hire in Blenheim which is 57 km (35 miles) away

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