Boating forecast for Motunau Island

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  1. Extremely useful for viewing the forecast at a glance. You can quickly tell when the conditions are likely to better for boating and fishing.
  2. The summaries are useful to assist in understanding the weather patterns as well as planning your day and trips.
  3. The arrows show the direction of the wind. The direction of the wind is from the origin e.g. an easterly wind blows to the west. The dotted line is gust speed of the wind. For most spots you want the wind to be light (0 - 10 kts) for ocean conditions to be comfortable.
  4. The Sea height is the total wave height which includes both swell and chop. This is the most critical variable when looking at this forecast since a big sea height could be hazardous to boats or fishing off rocks etc. Swell refers to the height of the swell. The smaller the better. Chop refers to the height of the ocean chop. The less chop, the more comfortable conditions will be.
  5. The greater the swell period, the more comfortable the conditions are likely to be. It is believed sea sickness is triggered by a swell period around 5-6 seconds. However, the ocean chop can also cause sea sickness, so be aware of that too, especially if sea direction is considerably different to swell direction.
  6. Swell direction is represented by the origin of the swell. A westerly swell is moving to the east.
  7. Sea direction is represented by the origin of the chop. If there is not much chop this is not such a factor. However, you should check this variable if there is substantial chop, since if the swell direction is opposing the sea direction and swell and chop height are over 1 m, conditions could be rough.
  8. SwellMap presents tides as LAT (Lowest Astronomical Tide), which is the height above the lowest tidal water level

Forecast updated at 09:59 Thursday 24 April (Pacific/Auckland local time)

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Wind Gusts
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Swell Sea Chop
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Swell dir
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Sea dir
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Tides LAT
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Forecast updated at 09:59 Thursday 24 April (Pacific/Auckland local time)

Slide the table to view all forecast details.
Thu 24 AprRating Summary Sea Swell Chop Period Swell dir Sea dir Wind Gusts
mmms°°ktskts
3h41.11.00.610E--W:912
9h41.00.90.510ESW:1216
15h61.00.80.510E--SW:12
21h50.90.80.410ENENE:912
Low: 06:00 am (0.17 m); High: 12:20 pm (1.99 m); Low: 06:30 pm (0.18 m);
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Fri 25 AprRating Summary Sea Swell Chop Period Swell dir Sea dir Wind Gusts
mmms°°ktskts
3h40.90.80.410ENNE:1115
9h30.90.80.49ENN:1519
15h50.90.70.49EWN:816
21h30.90.70.610ESWW:1625
High: 12:40 am (2.09 m); Low: 07:00 am (0.15 m); High: 01:10 pm (2.02 m); Low: 07:30 pm (0.17 m);
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Sat 26 AprRating Summary Sea Swell Chop Period Swell dir Sea dir Wind Gusts
mmms°°ktskts
3h41.20.80.910ESWW:1014
9h41.20.80.910SENWW:1114
15h60.90.70.610SE--SW:34
21h70.90.70.513SE--N:68
High: 01:40 am (2.09 m); Low: 08:00 am (0.14 m); High: 02:10 pm (2.05 m); Low: 08:20 pm (0.15 m);
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Sun 27 AprRating Summary Sea Swell Chop Period Swell dir Sea dir Wind Gusts
mmms°°ktskts
3h60.90.80.512SE--NW:911
9h61.00.70.611SE--N:810
15h50.90.70.611SENENE:1013
21h31.00.80.610SENENE:1520
High: 02:30 am (2.08 m); Low: 08:50 am (0.13 m); High: 03:00 pm (2.08 m); Low: 09:20 pm (0.15 m);
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Mon 28 AprRating Summary Sea Swell Chop Period Swell dir Sea dir Wind Gusts
mmms°°ktskts
3h31.10.80.810SENEN:1120
9h51.40.81.19SENWNW:68
15h61.10.70.89SEWSE:24
21h60.80.50.69SENWNW:810
High: 03:30 am (2.06 m); Low: 09:40 am (0.14 m); High: 03:50 pm (2.09 m); Low: 10:10 pm (0.16 m);
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Tue 29 AprRating Summary Sea Swell Chop Period Swell dir Sea dir Wind Gusts
mmms°°ktskts
3h60.70.50.59E--N:811
9h40.70.40.68ESWSE:1823
15h31.10.50.98SESWSW:2839
21h21.10.41.08SESWW:2025
High: 04:20 am (2.04 m); Low: 10:40 am (0.17 m); High: 04:50 pm (2.09 m); Low: 11:10 pm (0.2 m);
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Wed 30 AprRating Summary Sea Swell Chop Period Swell dir Sea dir Wind Gusts
mmms°°ktskts
3h31.40.31.35SESWNW:1013
9h30.90.30.88SEWW:1217
15h30.70.40.68SE--NW:1224

Forecast updated at 09:59 Thursday 24 April (Pacific/Auckland local time)

Current sea temperature

Motunau Island sea temperature: 15°C

Sunrise and sunset for today

SunriseSunset
07:1217:38

Moon phases for the next month

Tue 29 AprWed 7 MayThu 15 MayThu 22 May
New Moon First Quarter Full Moon Last Quarter

Rating information for Boating

This rating is a guide to determine how pleasant the boating conditions are likely to be. But this should not be treated as a substitute for using all available sources of information for the purpose of safety.
10A green rating between 7 and 10 indicates calm waters, based on little or no wind, and swell height less than a metre.
6An orange rating between 4 and 6 indicates average boating conditions, possibly affected by light-fair winds, and a swell height around 1-2 metres.
1A red rating between 1 and 3 suggests poor and possibly dangerous conditions such as strong winds and a big swell height 2-3 metres plus.
?No rating available.

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