Hawaii County Surf Forecast for October 18, 2023
Forecast for Big Island Windward and Southeast
| Shores | Today | Thursday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| North Facing | 7-10 | 6-8 | 6-8 | 5-7 |
| East Facing | 2-4 | 2-4 | 2-4 | 2-4 |
| South Facing | 5-7 | 5-7 | 5-7 | 5-7 |
| Weather | Sunny. Isolated showers. | |||||
|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | |||||
| Winds | Northeast winds 5 to 10 mph. | |||||
|
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| Sunrise | 6:16 AM HST. | |||||
| Sunset | 5:55 PM HST. | |||||
| Weather | Partly cloudy. Isolated showers. | ||||
|---|---|---|---|---|---|
| Low Temperature | In the lower 70s. | ||||
| Winds | North winds around 5 mph. | ||||
|
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| Weather | Mostly sunny. Isolated showers. | ||||||
|---|---|---|---|---|---|---|---|
| High Temperature | In the mid 80s. | ||||||
| Winds | Northeast winds around 10 mph. | ||||||
|
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| Sunrise | 6:16 AM HST. | ||||||
| Sunset | 5:54 PM HST. | ||||||
Forecast for Big Island Leeward
HIGH SURF ADVISORY FOR WEST FACING SHORES
| Shores | Today | Thursday | ||
|---|---|---|---|---|
| Surf | Surf | |||
| AM | PM | AM | PM | |
| West Facing | 6-8 | 6-8 | 4-6 | 4-6 |
| South Facing | 5-7 | 5-7 | 5-7 | 5-7 |
| Weather | Sunny until 12 PM, then partly sunny. Isolated showers. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | West winds around 5 mph. |
| Sunrise | 6:20 AM HST. |
| Sunset | 5:59 PM HST. |
| Weather | Sunny until 12 PM, then partly sunny. Isolated showers. |
|---|---|
| High Temperature | In the mid 80s. |
| Winds | Light and variable winds, becoming southwest around 5 mph in the afternoon. |
| Sunrise | 6:20 AM HST. |
| Sunset | 5:58 PM HST. |
Swell Summary
The first large northwest to north-northwest swell of the season peaked overnight, which is generating surf above warning levels for exposed north and west facing shores of the smaller islands and to the advisory level for west facing shores of the Big Island this morning. Expect this to hold today, then lower to advisory levels tonight through Thursday as this swell slowly eases and shifts out of the north. Surf along south facing shores will hold above the October average through the rest of the week as overlapping south-southwest swells move through. A fresh long-period, south-southwest swell is expected to gradually fill in through the day today, then peak Thursday through Friday. Surf will ease into the weekend as this swell moves out. Surf along east facing shores will remain small through Thursday, then pick up Friday due to a moderate short-period, northeast swell. This northeast swell will quickly ease Saturday.
NORTH EAST
am 
pm
Surf: Waist to chest high ESE short period wind swell.
Conditions: Sideshore texture/chop with SE winds 10-15mph.
NORTH WEST
am 
pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Glassy in the morning with N winds less than 5mph. Bumpy/semi bumpy conditions for the afternoon with the winds shifting W 5-10mph.
WEST
am pm 
Surf: Minimal (ankle high or less) surf.
Conditions: Clean in the morning with E winds 5-10mph. Light sideshore texture conditions for the afternoon with the winds shifting to the NW.
SOUTH EAST
am pm
Surf: Small scale (ankle to knee high) surf.
Conditions: Semi choppy with ENE winds 5-10mph.
Data Courtesy of NOAA.gov and SwellInfo.com
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