Lighthouse Reef surfForecast / Canterbury / New Zealand

information circle16 Day Weather and Surf, issued 5 am Saturday 18 Apr 2026 NZST
Forecast update in hr  min  s Forecast update imminent
Lighthouse Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Lighthouse Reef sea temperature is
14.7° C
(Which is 2.8°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Lighthouse Reef this week:

The surf forecast for Lighthouse Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Apr 18) at 6PM. The primary swell is predicted to be 0.6m and 7s period with a secondary swell of 0.3m and 7s. Another secondary swell of 0.2m and 12s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Lighthouse Reef in the next 16 days are 3.0m 11s and forecast to arrive on Friday (Apr 24) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Tuesday (Apr 21) at 9PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Sat 18th Apr)2ft (0.6m) 7s
Best Surf 3AM (Fri 24th Apr)5ft (1.6m) 11s
Most Powerful12PM (Fri 24th Apr)10ft (3.0m) 11s

Table - best surf conditions forecast for Lighthouse Reef over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 80mm), heaviest during Sun afternoon. Very mild (max 18°C on Sat morning, min 8°C on Sun afternoon). Winds increasing (light winds from the NNW on Sat morning, fresh winds from the SSE by Mon morning).

Days 3-6 Weather Summary Heavy rain (total 84mm), heaviest during Tue night. Very mild (max 10°C on Tue night, min 5°C on Wed night). Winds decreasing (strong winds from the SSW on Tue afternoon, calm by Thu night).

Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
3
1
2
3
2
2
Swell
Height Map
Wave Height (m) & direction (?)
0.4
ENE
0.2
ESE
0.2
E
0.8
SSE
0.3
E
0.4
E
1.5
SSE
1.8
SE
1.8
SE
1.9
ESE
3
ESE
1.9
ESE
3
SSE
1.6
SE
3
SSE
3.5
SSE
3
SSE
1.6
SE
1.5
ESE
1.6
SE
1.4
SE
Period(s) (?)61212410117989101010109101011111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)14141123173822852846060415576841724437166421221808627583626447
Wind
(km/h)
20
NNW
10
N
20
SSW
30
SSE
25
WSW
20
WSW
35
SSE
35
SSE
30
SSE
35
S
40
SW
45
SSW
35
SW
35
S
30
S
20
SW
15
S
5
SSW
5
SW
5
SE
10
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
crosscross-
on
cross-
off
cross-
off
cross-
on
cross-
on
cross-
on
crosscross-
off
crosscross-
off
crosscrosscross-
off
cross-
on
crosscross-
off
onoff
High Tide
/ height (m)
4:02PM
2.25
4:09AM
2.24
4:59PM
2.31
5:00AM
2.20
5:57PM
2.36
6:00AM
2.17
6:57PM
2.41
7:13AM
2.19
7:59PM
2.44
8:24AM
2.24
8:58PM
2.46
9:25AM
2.28
9:54PM
2.47
Low Tide
/ height (m)
9:42AM
0.38
10:15PM
0.37
10:37AM
0.42
11:13PM
0.43
11:31AM
0.48
12:07AM
0.50
12:27PM
0.55
12:59AM
0.57
1:28PM
0.61
1:54AM
0.64
2:32PM
0.64
2:56AM
0.69
3:33PM
0.64
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Sunrise7:11--7:13--7:13--7:15--7:16--7:18--7:18--
Sunset-5:54--5:53--5:52--5:51--5:49--5:46--5:45-
clear
clear
part cloud
heavy rain
heavy rain
light rain
mod rain
mod rain
heavy rain
heavy rain
heavy rain
heavy rain
light rain
light rain
rain showers
rain showers
part cloud
cloud
part cloud
part cloud
part cloud
Rain (mm)
---1620567261721352351-----
Temp. °C181812119111099991089961099109
Feels °C (?)151585453222-11000156677
  • Map Icons:
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  • 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 Lighthouse Reef Surf forecast

The above surf forecast table for Lighthouse Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Lighthouse Reef can be found by selecting the local surf guide option on the grey menu. Our Lighthouse Reef 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 (Lighthouse Reef) 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 Lighthouse Reef 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.

Lighthouse Reef is 4 km (2 miles) from the city of Timaru. If you plan a holiday in Canterbury, look for hotels and other accommodation in Timaru. Timaru has rooms for a wide range of budgets as well as car hire and transport links.

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