5am significant buoy readings and discussion.
South shore
No southerly energy at the buoys, check the Lahaina webcam if interested, for size, conditions and consistency.
North shore
NW101
5.3ft @ 7s from 46° (NE)
5.3ft @ 11s from 3° (N)
3.9ft @ 10s from 357° (N)
Hanalei
3ft @ 11s from 340° (NNW)
Waimea
3ft @ 12s from 337° (NNW)Hanalei
3ft @ 11s from 340° (NNW)
Waimea
2.2ft @ 11s from 339° (NNW)
2.1ft @ 9s from 340° (NNW)
Pauwela
3.7ft @ 13s from 340° (NNW)Pauwela
3.3ft @ 7s from 60° (ENE)
2.4ft @ 8s from 56° (ENE)
Little NNW bump is at the buoys, here's Pat Caldwell description of the evolution of the fetch.
A compact gale low formed near 40N just east of the Date Line early Sunday 4/26. By early Monday, the system had tracked over 1000 nm under the zonal jet, creating short-lived fetches over the 310-360 degree bands relative to Hawaii. ASCAT satellite 4/26 did show winds to severe gales within 36-42N as the system approached the longitudes of Hawaii. A JASON altimeter late 4/26 reading showed combined seas and swell over 20 feet. The highest seas were aimed NE of Hawaii. The head of the fetch of near gales was to 32N to the N to NNW of Hawaii, or about 600 nm, Sunday night.
Proximity ups the odds for some surf in Hawaii. The event should build Wednesday morning centered from 345 degrees, peak below the April average Wednesday PM, and drop steadily back to tiny to small levels by Thursday from 330-360 degrees.
Below is the map of the 27 (0h) that shows the fetch. As you can see most of the energy of this swell will miss us to our NE, but 3.7ft 13s from 340 will provide fun size waves (at least head high) at Hookipa. Beach report later.
Wind map at noon (the other ones can be found at link n.-2 of GP's meteo websites list in the right column).
North Pacific fetches map (about 4 days travel time from the NW corner):
South Pacific fetches map (about 7 days travel time from east of New Zealand):
Morning sky.
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