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

information circle12 Day Weather and Surf, issued 5 pm Tuesday 08 Jul 2025 NZST
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
12.9° C
(Which is 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 (Jul 09) at 3PM. The primary swell is predicted to be 1.3m and 9s period. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Delaware Bay (East end) in the next 12 days are 3.0m 9s and forecast to arrive on Friday (Jul 11) at 6PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 8s period and expected on Wednesday (Jul 16) at 12AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Wed 9th Jul)4.5ft (1.3m) 9s
Best Surf 9PM (Wed 9th Jul)6ft (1.8m) 10s
Most Powerful 6PM (Fri 11th Jul)10ft (3.0m) 9s

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

Updates in  hr  min  s Forecast update imminent
Tue
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sun
20
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
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
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.1
N
0.1
N
0.5
NNW
1.3
NNW
1.7
N
1.4
N
1.2
NNW
0.9
NNW
1.4
N
3
NNE
1.7
N
1.2
NNW
1.3
NNW
2
NNW
1.3
NNW
1.2
NNW
0.5
NNW
0.8
NNW
0.8
NNW
0.2
NNW
0.6
NNW
1.5
NNW
1.9
NW
1
NNW
0.9
NW
0.3
NW
0.4
NW
0.2
NNW
0.5
N
0.4
NNW
0.4
NNW
0.8
NW
0.6
NW
0.4
NW
0.3
NW
0.1
NW
Period(s) (?)71579988777988121312777115687714777891616151519
Wave
Graph
(?)Metric surfscale
Energy (?)1440276497273178115215894456212216100957803053531201600114000624322700000
Wind
(km/h)
5
S
5
SSE
10
SE
10
E
5
ESE
5
SSW
5
N
0
NNW
20
NE
35
NE
20
NNW
10
NW
10
NW
5
W
15
NW
20
NNW
5
NW
5
SSW
5
WNW
10
SW
5
SSW
10
SW
5
SSE
5
S
0
SSE
10
SE
10
SSE
10
S
10
S
10
SSW
5
WSW
10
SSW
5
SSW
5
NW
10
SW
5
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscross-
off
crossglassglassglassglasscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
glassoffcross-
on
cross-
off
glasscross-
off
cross-
off
offglasscross-
off
cross-
off
offoffoffglassoffcross-
off
glasscross-
off
cross-
off
High Tide
/ height (m)
8:17PM
2.79
8:38AM
2.74
9:04PM
2.93
9:24AM
2.86
9:46PM
3.06
10:06AM
2.97
10:27PM
3.19
10:46AM
3.06
11:07PM
3.28
11:27AM
3.12
11:46PM
3.33
12:08PM
3.14
12:26AM
3.34
12:50PM
3.13
1:09AM
3.30
1:35PM
3.08
1:54AM
3.20
2:23PM
3.00
2:44AM
3.07
3:18PM
2.92
3:41AM
2.93
4:19PM
2.84
4:46AM
2.82
Low Tide
/ height (m)
2:34AM
0.74
2:51PM
0.63
3:20AM
0.60
3:35PM
0.50
4:02AM
0.46
4:15PM
0.39
4:42AM
0.34
4:55PM
0.30
5:22AM
0.25
5:33PM
0.24
6:01AM
0.20
6:13PM
0.23
6:41AM
0.19
6:54PM
0.27
7:23AM
0.23
7:38PM
0.36
8:08AM
0.31
8:27PM
0.47
8:59AM
0.43
9:23PM
0.60
9:56AM
0.56
10:28PM
0.71
11:03AM
0.65
Tue
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sun
20
Sunrise--7:50--7:50--7:48--7:48--7:48--7:48--7:47--7:47--7:46--7:46--7:45--7:43
Sunset5:10--5:12--5:12--5:13--5:14--5:14--5:15--5:15--5:16--5:17--5:17--5:19--
part cloudcloudlight rainmod rainmod raincloudpart cloudlight rainmod rainheavy rainrain showerspart cloudclearpart cloudclearrain showersrain showersclearclearpart cloudlight rainrain showersclearpart cloudlight rainheavy rainmod rainlight rainpart cloudclearclearclearclearpart cloudpart cloudpart cloud
Rain (mm)
--179--27472----32---21--13882--------
Temp. °C1099911131313131513121311111210121398107911101011101314101112911
Feels °C (?)8877101313121011991188881011767371088991112891079

Short Range Forecast: Heavy rain (total 26mm), heaviest during Fri morning. Very mild (max 13°C on Thu morning, min 8°C on Tue afternoon). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 54mm), heaviest during Fri afternoon. Very mild (max 15°C on Fri afternoon, min 9°C on Sun night). Winds decreasing (fresh winds from the NE on Fri afternoon, calm by Sun night).

Days 6-9 Weather Summary Heavy rain (total 50mm), heaviest during Wed night. Very mild (max 13°C on Mon afternoon, min 6°C on Tue night). Wind will be generally light.

Long Range Forecast: Light rain (total 2mm), mostly falling on Thu afternoon. Very mild (max 14°C on Fri afternoon, min 6°C on Thu night). Wind will be generally light.

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