Weather & Warnings

Hawaiian Coastal Waters - (Oahu Leeward Waters/PHZ115) - Current Watches, Warnings and Advisories for Hawaiian Coastal Waters Issued by the National Weather Service
Small Craft Advisory for Oahu Leeward Waters until 2017-11-21T22:00:00

WHHW70 PHFO 210140 MWWHFO URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 340 PM HST MON NOV 20 2017 ...SMALL CRAFT ADVISORY EXTENDED THROUGH TUESDAY MORNING... .BUOY OBSERVATIONS INDICATE THAT THE NORTH SWELL HAS REMAINED ELEVATED THROUGH THE DAY. NEW GUIDANCE SHOWS THAT THE SWELL WILL KEEPING COMBINED SEAS ABOVE THE ADVISORY THRESHOLD THROUGH TUESDAY MORNING. PHZ110>118-120>122-211445- /O.EXT.PHFO.SC.Y.0057.000000T0000Z-171121T2200Z/ KAUAI NORTHWEST WATERS-KAUAI WINDWARD WATERS-KAUAI LEEWARD WATERS- KAUAI CHANNEL-OAHU WINDWARD WATERS-OAHU LEEWARD WATERS- KAIWI CHANNEL-MAUI COUNTY WINDWARD WATERS- MAUI COUNTY LEEWARD WATERS-PAILOLO CHANNEL-ALENUIHAHA CHANNEL- BIG ISLAND WINDWARD WATERS- 340 PM HST MON NOV 20 2017 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL NOON HST TUESDAY... * SEAS...SEAS 6 TO 11 FEET. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WINDS SPEEDS OF 25 TO 33 KNOTS AND/OR SEAS 10 FEET OR GREATER ARE EXPECTED TO PRODUCE CONDITIONS HAZARDOUS TO SMALL CRAFT. INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER VESSELS, SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$

Headlines
SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TONIGHT
Northeast winds 15 knots. Wind waves 4 feet. North swell 9 feet. Isolated showers.
TUESDAY
Northeast winds 15 knots. Wind waves 3 feet. North swell 8 feet. Isolated showers in the morning.
TUESDAY NIGHT
Northeast winds 15 knots. Wind waves 4 feet. North swell 7 feet. Isolated showers in the evening, then scattered showers after midnight.
WEDNESDAY
Northeast winds 15 knots. Wind waves 4 feet. North swell 7 feet increasing to 9 feet in the afternoon. Scattered showers in the morning, then isolated showers in the afternoon.
WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves 5 feet. North swell 10 feet. Isolated showers in the evening, then scattered showers after midnight.
THURSDAY
Northeast winds to 25 knots. Wind waves 8 feet. North swell 11 feet. Scattered showers in the morning.
THURSDAY NIGHT
Northeast winds to 25 knots. Wind waves 9 feet. North swell 10 feet. Isolated showers.
FRIDAY
Northeast winds to 25 knots. Wind waves 8 feet. North swell 8 to 10 feet. Isolated showers.
SATURDAY
East winds 20 knots. Wind waves 7 to 8 feet. North swell 6 to 7 feet. Isolated showers.

Surf Advisory and Warning Criteria
Location/shoreline Advisory Warning
North-Facing Shores- 15 Feet faces (8' Local) 25 Feet faces (15' local)
West-Facing Shores - 12 Feet (7' local) 20 Feet (12' local)
West-Facing- Big Is.- 8 Feet (4'+ local) 12 Feet (7' local)
South-Facing Shores- 8 Feet (4'+ local) 15 Feet (8' local)
East-Facing Shores- 8 Feet (4'+ local) 15 Feet (8' local)

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