Tide station · Guam

Apra Harbor, Guam tides

Times are local (Pacific/Guam, GMT+10). Predicted tides, not live water levels. Not for navigation.

Right now

Rising

Next high 8:35 PM, 1.9 ft (0.57 m), in 1 h 18 min.

Today · Fri, Nov 13

Low3:35 AM-0.4 ft -0.13 m
High11:10 AM2.0 ft 0.61 m
Low4:24 PM1.5 ft 0.46 m
High8:35 PM1.9 ft 0.57 m

Next 7 days

Feet · orange dots are highs, black dots are lows

High and low tides for the next seven days
Day	Tides (local time, height)
Fri, Nov 13	L 3:35 AM · -0.4 ft H 11:10 AM · 2.0 ft L 4:24 PM · 1.5 ft H 8:35 PM · 1.9 ft
Sat, Nov 14	L 4:14 AM · -0.3 ft H 12:02 PM · 2.0 ft L 5:13 PM · 1.5 ft H 9:10 PM · 1.8 ft
Sun, Nov 15	L 4:58 AM · -0.2 ft H 12:58 PM · 1.9 ft L 6:15 PM · 1.5 ft H 9:54 PM · 1.7 ft
Mon, Nov 16	L 5:46 AM · -0.1 ft H 1:50 PM · 2.0 ft L 7:30 PM · 1.5 ft H 10:54 PM · 1.6 ft
Tue, Nov 17	L 6:38 AM · 0.1 ft H 2:33 PM · 2.0 ft L 8:40 PM · 1.3 ft
Wed, Nov 18	H 12:17 AM · 1.5 ft L 7:33 AM · 0.2 ft H 3:07 PM · 2.1 ft L 9:33 PM · 1.1 ft
Thu, Nov 19	H 1:59 AM · 1.5 ft L 8:30 AM · 0.4 ft H 3:36 PM · 2.1 ft L 10:15 PM · 0.8 ft

About this station

Apra Harbor, Guam is a NOAA reference station in Guam, with its own harmonic constants. Heights are feet above mean lower low water (MLLW).

Tide type: Mixed, mostly semidiurnal: two highs and two lows a day, one pair noticeably bigger than the other.

This week the biggest swing between high and low is 2.4 ft; the average swing is 1.2 ft.

Station facts

Station ID: 1630000
Source: NOAA CO-OPS
Type: Reference station
Coordinates: 13.4434, 144.6564
Datum: MLLW (mean lower low water)
Tide type: Mixed, mostly semidiurnal
Time zone: Pacific/Guam

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