March 25 12 p.m. update: The National Weather Service has issued a high surf advisory for Hawaii County starting from 11:53 a.m. today until 6 a.m. tomorrow, Mar. 26.
A moderate size, long-transitioning-to-medium period west-northwest (300-320 degree) swell will build in this morning and peak this afternoon. This swell will lift surf along better exposed north and west-facing shores to near High Surf Advisory (HSA) levels today. The more westerly component of this swell may bump surf up along the west-facing shores of Big Island today. Island shadowing with the more north (than west) directional component to this swell should keep Kona coast surf under HSA levels. Today's fresh trades will continue to produce short period easterly elevated wind wave swell that has resulted in persistent choppy conditions along most eastern exposures. South-facing shore surf will remain at background levels the next several days. South surf may see a minor bump Tuesday as a very small, medium period south-southwest (200 degree) swell passes around the islands.
ARTICLE CONTINUES BELOW AD
ARTICLE CONTINUES BELOW AD
NORTH EAST
ampm
Surf: Chest to shoulder high N short period wind swell for the morning going more NNE and building into the chest to head range in the afternoon.
Conditions: Bumpy/choppy with NNE winds 15-20mph in the morning shifting NNW for the afternoon.
NORTH WEST
ARTICLE CONTINUES BELOW AD
ampm
Surf: Waist to chest high N short period wind swell.
Conditions: Choppy/disorganized with NNE winds 10-15mph in the morning increasing to 20-25mph in the afternoon.
WEST
ampm
ARTICLE CONTINUES BELOW AD
Surf: Knee high NW short period wind swell in the morning with occasional thigh high sets. This drops a bit in the afternoon.
Conditions: Glassy in the morning with ESE winds less than 5mph. Semi glassy conditions for the afternoon with the winds shifting to the SSE.
SOUTH EAST
ampm
Surf: Knee high ENE short period wind swell in the morning builds in the afternoon with occasional sets up to waist high.
Conditions: Sideshore/choppy with NNE winds 15-20mph in the morning shifting N 20-25mph in the afternoon.
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