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

information circle12 Day Weather and Surf, issued 6 pm Friday 12 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
18.9° C
(Which is 3.5°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 Wednesday (Dec 17) at 4AM. The primary swell is predicted to be 2.3m 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 2.3m 8s and forecast to arrive on Wednesday (Dec 17) at 4AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 17s period and expected on Tuesday (Dec 16) at 10PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Wed 17th Dec)7.5ft (2.3m) 8s
Best Surf 4AM (Wed 17th Dec)7.5ft (2.3m) 8s
Most Powerful 4AM (Wed 17th Dec)7.5ft (2.3m) 8s

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 Mostly dry. Warm (max 20°C on Mon morning, min 11°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 37mm), heaviest during Tue afternoon. Very mild (max 19°C on Mon afternoon, min 9°C on Wed night). Winds decreasing (fresh winds from the NNW on Tue morning, calm by Thu morning).

Fri
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.2
N
0.2
N
0.2
N
0.2
N
0.2
N
0.2
N
0.1
N
0.7
NW
0.8
NNW
1.5
NNW
1.5
NNW
1.7
NNW
1.8
NNW
2.3
NNW
1.3
NNW
0.8
NNW
0.5
NNW
0.2
N
0.2
N
0.2
N
0.1
N
Period(s) (?)1616151514141444566777761110109
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1919171716164202012215821226853219167249872
Wind
(km/h)
15
N
10
SE
5
N
10
N
5
S
5
NNW
15
N
5
WNW
15
NW
30
NNW
20
NW
25
NNW
30
N
5
NE
15
SSW
10
ENE
10
SSE
5
ESE
0
N
10
S
0
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
off
glassonoffcross-
on
oncross-
on
cross-
on
oncross-
on
cross-
on
oncross-
on
offcrosscross-
off
glassglassoffglass
High Tide
/ height (m)
4:29PM
2.79
5:07AM
2.59
5:29PM
2.66
6:09AM
2.56
6:31PM
2.59
7:09AM
2.59
7:29PM
2.59
8:04AM
2.67
8:22PM
2.65
8:52AM
2.77
9:10PM
2.73
9:35AM
2.88
9:53PM
2.82
10:15AM
2.99
Low Tide
/ height (m)
10:45PM
0.74
11:08AM
0.90
11:47PM
0.82
12:15PM
0.95
12:48AM
0.83
1:19PM
0.94
1:45AM
0.80
2:15PM
0.86
2:35AM
0.73
3:03PM
0.76
3:20AM
0.64
3:47PM
0.65
4:02AM
0.55
Fri
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Sunrise--5:47--5:47--5:47--5:47--5:47--5:48--5:48
Sunset8:52--8:52--8:52--8:53--8:54--8:54--8:55--
part cloud
clear
part cloud
clear
clear
part cloud
clear
part cloud
clear
clear
rain showers
light rain
heavy rain
heavy rain
rain showers
rain showers
part cloud
cloud
cloud
mod rain
light rain
Rain (mm)
----------13151242---105
Temp. °C171317181519191620191718181616161315171314
Feels °C (?)141115161417171616151415141514141113161314
  • 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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