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Ammonias ratings
Quality on a good day: 2.0
Consistency of Surf: 3.0
Difficulty Level: 3.0
Crowds: 2.0

…

Overall: 3.0

See all 18 ratings

Based on 1 vote. Vote


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Ammonias location mapGet alerts temp

Ammonias Surf Forecast / HAW – Kaua'i / USA

12 Day Weather and Surf, issued 7 pm Tuesday 11 May 2021 HST
Forecast update in  hr  min  s Update imminent 
Ammonias surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ammonias sea temperature is 25.1 °C (Statistics for 11 May 1981-2005 - mean: 24.8 max: 25.7 min: 23.7 °C)
Icon breakBreak
Icon legend buoysLive Wave Height (m)
Icon legend windLive Wind Speed (km/h)
Ammonias surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ammonias sea temperature is 25.1 °C (Statistics for 11 May 1981-2005 - mean: 24.8 max: 25.7 min: 23.7 °C)

Eyeball surf reportRecent Eyeball Surf Reports for HAW - Kaua'i

  1. weather stationWind Update Cross-off winds at Ammonias are now cross-shore so expect speed-bumps in the surf (light winds from the NE at BUOY-NWWH1 0 km from Ammonias).

    1 hour 35 minutes ago Ammonias
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1 h 35 min ago

Moderate
17 km/h
NE
Cross-Shore
Please reload the page to see if there are any updates.

Best Forecast Surf Conditions for Ammonias this week:

The surf forecast for Ammonias over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (May 11) at 11PM. The primary swell is predicted to be 1.4m and 8s period with a secondary swell of 0.6m and 18s. Another secondary swell of 0.5m and 6s is also forecast. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Ammonias in the next 12 days are 0.8m 18s and forecast to arrive on Thursday (May 13) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 12s period and expected on Monday (May 17) at 8AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 11th May)4.5ft (1.4m) 8s
Best Surf11PM (Tue 11th May)4.5ft (1.4m) 8s
Most Powerful 5PM (Thu 13th May)2.5ft (0.8m) 18s

Table - best surf conditions forecast for Ammonias over the next 12 days.

Hourly12 daysKaua'i Surf
Icon printPrint Surf Table
Updates in  hr  min  s Update imminent 
Rating
(10 max)
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
Period(s) (?)
Wave
Graph
(?)Metric surfscale
Energy (?)
Wind
(km/h)
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
High Tide
/ height (m)
Low Tide
/ height (m)
Summary
Rain (mm)
High °C
Low °C
Chill °C (?)
Sunrise
Sunset
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sun
23
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
111110000000000000100000000000000000
T hawaiiunitedstates.htsgw.metric.6.cc23
T hawaiiunitedstates.htsgw.metric.24.cc23
T hawaiiunitedstates.htsgw.metric.48.cc23
T hawaiiunitedstates.htsgw.metric.72.cc23
T hawaiiunitedstates.htsgw.metric.96.cc23
T hawaiiunitedstates.htsgw.metric.120.cc23
T hawaiiunitedstates.htsgw.metric.144.cc23
T hawaiiunitedstates.htsgw.metric.168.cc23
T hawaiiunitedstates.htsgw.metric.192.cc23
T hawaiiunitedstates.htsgw.metric.216.cc23
T hawaiiunitedstates.htsgw.metric.240.cc23
T hawaiiunitedstates.htsgw.metric.264.cc23
T hawaiiunitedstates.htsgw.metric.288.cc23
0.7
SSW
0.7
SSW
0.7
S
0.7
SSW
0.7
S
0.8
S
0.6
S
1.6
ENE
1.5
ENE
0.8
S
1.7
ENE
1.7
ENE
1.9
ENE
1.8
ENE
1.7
ENE
1.9
ENE
1.8
ENE
1.7
ENE
1.9
ENE
1.8
ENE
1.8
ENE
1.9
ENE
1.8
ENE
1.9
ENE
2.1
ENE
1.9
ENE
1.8
ENE
2.1
ENE
1.8
ENE
1.6
ENE
1.3
ENE
1
E
0.9
E
0.8
E
0.7
E
0.9
ENE
18161616161818771477777777777777777777666776
3182802572592454082192612002682652623202992783593343103793403303563283654563653304313122271438164675170
20
ENE
20
ENE
25
ENE
20
ENE
20
ENE
25
ENE
25
ENE
25
ENE
30
NE
25
ENE
25
ENE
25
NE
25
NE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
20
ENE
25
ENE
25
ENE
25
ENE
30
ENE
25
ENE
25
ENE
30
ENE
25
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
25
ENE
25
ENE
25
ENE
crosscrosscrosscrosscrosscrosscross-
on		crosscrosscrosscrosscrosscrosscrosscrosscross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscrosscross-
on		crosscross-
on		cross-
on		crosscrosscrosscross
3:16AM
0.22
4:45PM
0.59
3:41AM
0.19
5:20PM
0.59
4:04AM
0.16
6:00PM
0.58
4:28AM
0.15
6:45PM
0.56
4:56AM
0.13
7:36PM
0.54
6:18AM
0.11
8:34PM
0.52
9:29AM
0.12
9:33PM
0.51
11:09AM
0.18
10:28PM
0.49
12:07PM
0.25
11:18PM
0.46
12:52PM
0.34
12:03AM
0.42
1:35PM
0.44
12:47AM
0.37
2:17PM
0.54
10:58PM
0.12
9:10AM
-0.05
11:46PM
0.12
9:36AM
-0.05
12:39AM
0.12
10:05AM
-0.03
1:42AM
0.13
10:37AM
-0.01
3:03AM
0.12
11:13AM
0.02
4:30AM
0.11
12:01PM
0.05
5:06AM 1:13PM
0.09 0.09
5:30AM
0.07
2:51PM
0.13
5:52AM
0.04
4:31PM
0.15
6:16AM
0.00
6:00PM
0.15
6:42AM
-0.04
7:17PM
0.14
7:09AM
-0.08

Note: the tide data above is for Nawiliwili, Hawaii which is 1 km away. Surf properties and timing are calculated for Ammonias.New forecast is published every 6 hours at www.surf-forecast.com. See detailed tide info and graph
Offshore winds at Ammonias blow from the NW

Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sun
23
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
clear
partially cloudy
clear
clear
clear
clear
rain showers
rain showers
clear
rain showers
rain showers
clear
clear
clear
clear
rain showers
rain showers
rain showers
rain showers
clear
clear
rain showers
rain showers
clear
rain showers
rain showers
clear
partially cloudy
partially cloudy
rain showers
rain showers
rain showers
rain showers
partially cloudy
clear
clear
clearsome cloudsclearclearclearclearrain shwrsrain shwrsclearrain shwrsrain shwrsclearclearclearclearrain shwrsrain shwrsrain shwrsrain shwrsclearclearrain shwrsrain shwrsclearrain shwrsrain shwrsclearsome cloudssome cloudsrain shwrsrain shwrsrain shwrsrain shwrssome cloudsclearclear
------41-31----2114--21-21---1122---
242425232425232424232424232424232424232425232424242424242424232424232424
232324232324222324222324222324232324232324232324232324232324232324232324
242425232425232424232424232424232424232425232424242424242424232424232424
-5:58--5:58--5:58--5:58--5:56--5:56--5:56--5:56--5:56--5:54--5:54--5:54-
--7:07--7:07--7:08--7:08--7:08--7:09--7:09--7:10--7:10--7:12--7:12--7:13

Short Range Forecast: Light rain (total 5mm), mostly falling on Thu night. Warm (max 25°C on Wed afternoon, min 22°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 8mm), mostly falling on Fri night. Warm (max 24°C on Sat morning, min 22°C on Fri night). Wind will be generally light.

Days 6-9 Weather Summary Moderate rain (total 10mm), heaviest on Mon night. Warm (max 25°C on Tue afternoon, min 23°C on Mon night). Mainly fresh winds.

Long Range Forecast: Light rain (total 6mm), mostly falling on Fri afternoon. Warm (max 24°C on Thu night, min 23°C on Thu night). Mainly fresh winds.

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Ammonias surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Information about the Ammonias Surf forecast

The above surf forecast table for Ammonias provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Ammonias can be found by selecting the local surf guide option on the grey menu. Our Ammonias 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 (Ammonias) 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 Ammonias 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 vacation in Kaua'i? If you are looking for accommodation near Ammonias, camping, hotels and condos and appartments in Kaua'i, consider staying in Nawiliwili which is 2 km (1 miles) away. Alternatively, find information about places to stay and car hire in Lihue - Kauai which is 3 km (2 miles) away

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