Coastal Waters Forecast
Issued by NWS Honolulu, HI

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000
FZHW50 PHFO 200104
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
304 PM HST Sat Aug 19 2017

Hawaiian coastal waters within 40 nautical miles including the
Hawaiian Islands Humpback Whale National Marine Sanctuary.

PHZ100-201415-
304 PM HST Sat Aug 19 2017

.Synopsis for Hawaiian coastal waters...
A surface high will remain far northeast of the area and weaken
through Tuesday. A new surface high will build far north of the
area on Monday. A low aloft will pass north of the area through
early next week.

$$

PHZ110-201415-
Kauai Northwest Waters-
304 PM HST Sat Aug 19 2017

.TONIGHT...East winds 15 knots. Wind waves 4 feet. Scattered
showers.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Scattered
showers.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 4 feet. Heavy
showers likely in the evening. Slight chance of thunderstorms
through the night. Scattered heavy showers after midnight.
.MONDAY...East winds 15 knots. Wind waves 4 feet. Scattered heavy
showers and slight chance of thunderstorms.
.MONDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Heavy
showers likely and slight chance of thunderstorms.
.TUESDAY...East winds 15 knots. Wind waves 5 feet. Slight chance
of thunderstorms in the morning. Scattered heavy showers through
the day.
.TUESDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Scattered showers.
.WEDNESDAY...East winds 20 knots. Wind waves 7 feet. Scattered
showers.
.THURSDAY...East winds 20 knots. Wind waves 6 to 7 feet.
Scattered showers.

$$

PHZ111-201415-
Kauai Windward Waters-
304 PM HST Sat Aug 19 2017

.TONIGHT...East winds 15 knots. Wind waves 4 feet. Scattered
showers in the evening, then showers likely after midnight.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Showers likely
in the morning, then scattered showers in the afternoon.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Scattered
heavy showers in the evening. Slight chance of thunderstorms
through the night. Heavy showers likely after midnight.
.MONDAY...East winds 15 knots. Wind waves 4 feet. Heavy showers
likely and slight chance of thunderstorms.
.MONDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Heavy
showers likely and slight chance of thunderstorms.
.TUESDAY...East winds 15 knots. Wind waves 5 feet. Showers likely
and slight chance of thunderstorms in the morning, then scattered
showers in the afternoon.
.TUESDAY NIGHT...East winds 20 knots. Wind waves 7 feet.
Scattered showers in the evening, then showers likely after
midnight.
.WEDNESDAY...East winds 15 knots. Wind waves 7 feet. Scattered
showers.
.THURSDAY...East winds 15 knots. Wind waves 6 to 7 feet.
Scattered showers.

$$

PHZ112-201415-
Kauai Leeward Waters-
304 PM HST Sat Aug 19 2017

.TONIGHT...East winds 20 knots. Wind waves 5 feet. Isolated
showers.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Isolated
showers.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Isolated
showers in the evening, then scattered showers after midnight.
.MONDAY...East winds 10 knots. Wind waves 4 feet. Scattered
showers and slight chance of thunderstorms in the morning, then
isolated showers in the afternoon.
.MONDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Scattered
showers.
.TUESDAY...East winds 10 knots. Wind waves 4 feet. Scattered
showers.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 6 feet.
Southeast swell 3 feet after midnight. Scattered showers.
.WEDNESDAY...East winds 20 knots. Wind waves 6 feet. South swell
3 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 6 feet. Southeast
swell 3 feet. Scattered showers.

$$

PHZ113-201415-
Kauai Channel-
304 PM HST Sat Aug 19 2017

.TONIGHT...Northeast winds 15 knots. Wind waves 5 feet. Isolated
showers.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Isolated
showers.
.MONDAY...East winds 15 knots. Wind waves 4 feet. Isolated
showers.
.MONDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Scattered
showers.
.TUESDAY...East winds 15 knots. Wind waves 5 feet. Scattered
showers.
.TUESDAY NIGHT...East winds 20 knots. Wind waves 6 feet.
Scattered showers.
.WEDNESDAY...East winds 20 knots. Wind waves 7 feet. South swell
3 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 6 to 7 feet.
Southeast swell 3 feet. Isolated showers.

$$

PHZ114-201415-
Oahu Windward Waters-
304 PM HST Sat Aug 19 2017

.TONIGHT...East winds 15 knots. Wind waves 4 feet. Scattered
showers in the evening, then showers likely after midnight.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Showers likely
in the morning, then scattered showers in the afternoon.
.SUNDAY NIGHT...East winds 15 knots. Wind waves 5 feet. Showers
likely.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Slight chance
of thunderstorms in the morning. Showers likely through the day.
.MONDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Showers
likely.
.TUESDAY...East winds 15 knots. Wind waves 5 feet. Showers likely
in the morning, then scattered showers in the afternoon.
.TUESDAY NIGHT...East winds 20 knots. Wind waves 7 feet. Showers
likely.
.WEDNESDAY...East winds 20 knots. Wind waves 7 feet. Scattered
showers.
.THURSDAY...East winds 20 knots. Wind waves 7 feet. Scattered
showers.

$$

PHZ115-201415-
Oahu Leeward Waters-
304 PM HST Sat Aug 19 2017

.TONIGHT...East winds 20 knots. Wind waves 5 feet. Isolated
showers.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Isolated
showers.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 3 feet. Isolated
showers.
.MONDAY...East winds 10 knots. Wind waves 3 feet. Isolated
showers.
.MONDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Scattered
showers.
.TUESDAY...East winds 10 knots. Wind waves 4 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.TUESDAY NIGHT...Northeast winds 15 knots. Wind waves 5 feet.
Scattered showers.
.WEDNESDAY...East winds 15 knots. Wind waves 5 to 6 feet. South
swell 3 feet. Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 6 feet. Southeast
swell 3 feet. Isolated showers.

$$

PHZ116-201415-
Kaiwi Channel-
304 PM HST Sat Aug 19 2017

.TONIGHT...East winds 20 knots. Wind waves 4 feet. Scattered
showers in the evening, then isolated showers after midnight.
.SUNDAY...Northeast winds 15 knots. Wind waves 4 feet. Isolated
showers in the morning, then scattered showers in the afternoon.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Scattered
showers in the evening, then isolated showers after midnight.
.MONDAY...Northeast winds 15 knots. Wind waves 5 feet. Showers
likely in the morning, then isolated showers in the afternoon.
.MONDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Scattered
showers.
.TUESDAY...East winds 15 knots. Wind waves 6 feet. Scattered
showers.
.TUESDAY NIGHT...East winds 20 knots. Wind waves 7 feet. Showers
likely in the evening, then scattered showers after midnight.
.WEDNESDAY...East winds 20 knots. Wind waves 7 to 8 feet.
Scattered showers.
.THURSDAY...East winds 20 knots. Wind waves 7 feet. Isolated
showers.

$$

PHZ117-201415-
Maui County Windward Waters-
304 PM HST Sat Aug 19 2017

.TONIGHT...East winds 20 knots. Wind waves 4 feet. Showers
likely.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Showers likely.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Showers
likely.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Showers likely.
.MONDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Showers
likely.
.TUESDAY...East winds 15 knots. Wind waves 5 feet. Showers
likely.
.TUESDAY NIGHT...East winds 20 knots. Wind waves 7 feet. Showers
likely in the evening, then occasional showers after midnight.
.WEDNESDAY...East winds 20 knots. Wind waves 7 feet. Scattered
showers.
.THURSDAY...East winds 20 knots. Wind waves 7 feet. Scattered
showers.

$$

PHZ118-201415-
Maui County Leeward Waters-
304 PM HST Sat Aug 19 2017

.TONIGHT...East winds 15 knots. Wind waves 5 feet. Isolated
showers.
.SUNDAY...Northeast winds 15 knots. Wind waves 4 feet. Isolated
showers through the day.
.SUNDAY NIGHT...Northeast winds 20 knots. Wind waves 4 feet.
Isolated showers.
.MONDAY...Northeast winds 10 knots. Wind waves 4 feet. Isolated
showers.
.MONDAY NIGHT...East winds 10 knots. Wind waves 3 feet. Isolated
showers.
.TUESDAY...East winds 10 knots. Wind waves 4 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.TUESDAY NIGHT...Northeast winds 15 knots. Wind waves 5 feet.
Isolated showers.
.WEDNESDAY...Northeast winds 15 knots. Wind waves 6 feet.
Isolated showers.
.THURSDAY...Northeast winds 15 knots. Wind waves 6 feet. Isolated
showers.

$$

PHZ119-201415-
Maalaea Bay-
304 PM HST Sat Aug 19 2017

.TONIGHT...North winds 10 knots. Wind waves 2 feet or less.
Isolated showers in the evening.
.SUNDAY...North winds 10 knots backing west in the afternoon.
Wind waves 2 feet or less. Isolated showers in the morning, then
scattered showers in the afternoon.
.SUNDAY NIGHT...North winds 10 knots. Wind waves 2 feet or less.
Scattered showers in the evening, then isolated showers after
midnight.
.MONDAY...Northeast winds 20 knots. Wind waves 2 feet or less.
Isolated showers.
.MONDAY NIGHT...North winds 20 knots. Wind waves 2 feet or less.
Isolated showers through the night.
.TUESDAY...North winds 20 knots. Wind waves 2 feet or less.
Scattered showers in the morning, then isolated showers in the
afternoon.
.TUESDAY NIGHT...North winds to 25 knots. Wind waves 2 feet or
less. Isolated showers through the night.
.WEDNESDAY...North winds to 25 knots. Wind waves 3 feet.
.THURSDAY...Northeast winds to 25 knots. Wind waves 3 feet.

$$

PHZ120-201415-
Pailolo Channel-
304 PM HST Sat Aug 19 2017

.TONIGHT...East winds 20 knots. Wind waves 4 feet. Isolated
showers in the evening, then scattered showers after midnight.
.SUNDAY...East winds 20 knots. Wind waves 4 feet. Isolated
showers in the morning, then scattered showers in the afternoon.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 4 feet. Scattered
showers in the evening, then isolated showers after midnight.
.MONDAY...East winds 20 knots. Wind waves 4 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.MONDAY NIGHT...East winds 20 knots. Wind waves 4 feet. Isolated
showers.
.TUESDAY...East winds 20 knots. Wind waves 5 feet. Scattered
showers.
.TUESDAY NIGHT...East winds to 25 knots. Wind waves 6 feet.
Isolated showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 7 feet. Isolated
showers.
.THURSDAY...East winds to 25 knots. Wind waves 6 feet. Isolated
showers.

$$

PHZ121-201415-
Alenuihaha Channel-
304 PM HST Sat Aug 19 2017

.TONIGHT...East winds 20 knots. Wind waves 6 feet. Isolated
showers.
.SUNDAY...East winds 20 knots. Wind waves 5 feet. Isolated
showers through the day.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Isolated
showers.
.MONDAY...East winds 20 knots. Wind waves 5 feet. Isolated
showers.
.MONDAY NIGHT...East winds 20 knots. Wind waves 5 feet. Isolated
showers.
.TUESDAY...East winds 20 knots. Wind waves 6 feet. Scattered
showers in the morning, then isolated showers in the afternoon.
.TUESDAY NIGHT...East winds to 25 knots. Wind waves 7 feet.
Scattered showers in the evening, then isolated showers after
midnight.
.WEDNESDAY...East winds to 25 knots. Wind waves 8 feet. Isolated
showers.
.THURSDAY...East winds to 25 knots. Wind waves 8 feet. Isolated
showers.

$$

PHZ122-201415-
Big Island Windward Waters-
304 PM HST Sat Aug 19 2017

.TONIGHT...East winds 15 knots. Wind waves 4 feet. Scattered
showers in the evening, then showers likely after midnight.
.SUNDAY...East winds 15 knots. Wind waves 4 feet. Showers likely
in the morning, then scattered showers in the afternoon.
.SUNDAY NIGHT...East winds 20 knots. Wind waves 4 feet. Showers
likely.
.MONDAY...East winds 15 knots. Wind waves 4 feet. Showers likely.
.MONDAY NIGHT...East winds 15 knots. Wind waves 4 feet. Showers
likely.
.TUESDAY...East winds 15 knots. Wind waves 5 feet. Occasional
showers in the morning, then showers likely in the afternoon.
.TUESDAY NIGHT...East winds 15 knots. Wind waves 6 feet.
Occasional showers.
.WEDNESDAY...East winds 15 knots. Wind waves 6 to 7 feet.
Scattered showers.
.THURSDAY...East winds 15 knots. Wind waves 6 feet. Scattered
showers.

$$

PHZ123-201415-
Big Island Leeward Waters-
304 PM HST Sat Aug 19 2017

.TONIGHT...West of the Big Island, northwest winds 10 knots in
the evening becoming variable less than 10 knots. Near South
Point, east winds 20 knots. Wind waves 6 feet. Haze through the
night. Isolated showers through the night.
.SUNDAY...West of the Big Island, winds variable less than
10 knots becoming southwest 10 knots in the afternoon. Near South
Point, north winds 10 knots becoming east 20 knots in the
afternoon. Wind waves 4 feet. Haze through the day. Isolated
showers through the day.
.SUNDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 5 feet. Haze.
Isolated showers.
.MONDAY...Winds variable less than 10 knots west of the Big
Island...east 15 knots near South Point. Wind waves 5 feet. Haze.
Isolated showers.
.MONDAY NIGHT...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 5 feet. Haze
through the night. Scattered showers in the evening. Isolated
showers after midnight.
.TUESDAY...Winds variable less than 10 knots west of the Big
Island...east 20 knots near South Point. Wind waves 6 feet. Haze.
Isolated showers.
.TUESDAY NIGHT...Winds variable less than 10 knots west of the
Big Island...east to 25 knots near South Point. Wind waves
8 feet. Haze. Scattered showers.
.WEDNESDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 9 feet.
South swell 3 feet. Haze. Isolated showers.
.THURSDAY...Winds variable less than 10 knots west of the Big
Island...east to 25 knots near South Point. Wind waves 8 to
9 feet. Southeast swell 3 feet. Haze. Isolated showers.

$$

PHZ124-201415-
Big Island Southeast Waters-
304 PM HST Sat Aug 19 2017

.TONIGHT...Northeast winds 20 knots. Wind waves 6 feet. Scattered
showers.
.SUNDAY...Northeast winds 20 knots. Wind waves 5 feet. Scattered
showers.
.SUNDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
Scattered showers in the evening, then showers likely after
midnight.
.MONDAY...East winds 15 knots. Wind waves 5 feet. Showers likely
in the morning, then scattered showers in the afternoon.
.MONDAY NIGHT...Northeast winds 20 knots. Wind waves 5 feet.
Scattered showers in the evening, then showers likely after
midnight.
.TUESDAY...East winds 20 knots. Wind waves 6 feet. Occasional
showers in the morning, then showers likely in the afternoon.
.TUESDAY NIGHT...East winds to 25 knots. Wind waves 8 feet.
Occasional showers.
.WEDNESDAY...East winds to 25 knots. Wind waves 8 to 9 feet.
South swell 3 feet. Scattered showers.
.THURSDAY...East winds to 25 knots. Wind waves 8 to 9 feet.
Southeast swell 3 feet. Scattered showers.

$$



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