20 (火)	04:54	11:10	17:14	23:23
	152cm	46cm	149cm	47cm
中潮 出 05:24 入 17:40 出 07:03 入 18:59

大洗（茨城）2039年09月20日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
9/20 00:00	63.8	↑2.2
9/20 00:10	66.3	↑2.5
9/20 00:20	69.1	↑2.8
9/20 00:30	72.2	↑3.1
9/20 00:40	75.5	↑3.3
9/20 00:50	79.0	↑3.5
9/20 01:00	82.7	↑3.7
9/20 01:10	86.5	↑3.8
9/20 01:20	90.5	↑4.0
9/20 01:30	94.6	↑4.1
9/20 01:40	98.7	↑4.1
9/20 01:50	102.9	↑4.2
9/20 02:00	107.1	↑4.2
9/20 02:10	111.2	↑4.1
9/20 02:20	115.3	↑4.1
9/20 02:30	119.3	↑4.0
9/20 02:40	123.1	↑3.8
9/20 02:50	126.8	↑3.7
9/20 03:00	130.3	↑3.5
9/20 03:10	133.7	↑3.4
9/20 03:20	136.7	↑3.0
9/20 03:30	139.6	↑2.9
9/20 03:40	142.1	↑2.5
9/20 03:50	144.4	↑2.3
9/20 04:00	146.4	↑2.0
9/20 04:10	148.0	↑1.6
9/20 04:20	149.3	↑1.3
9/20 04:30	150.3	↑1.0
9/20 04:40	150.9	↑0.6
9/20 04:50	151.2	↑0.3	満潮
9/20 05:00	151.1	↓-0.1
9/20 05:10	150.7	↓-0.4
9/20 05:20	149.9	↓-0.8
9/20 05:30	148.8	↓-1.1
9/20 05:40	147.3	↓-1.5
9/20 05:50	145.5	↓-1.8
9/20 06:00	143.4	↓-2.1
9/20 06:10	140.9	↓-2.5
9/20 06:20	138.2	↓-2.7
9/20 06:30	135.2	↓-3.0
9/20 06:40	131.9	↓-3.3
9/20 06:50	128.4	↓-3.5
9/20 07:00	124.6	↓-3.8
9/20 07:10	120.7	↓-3.9
9/20 07:20	116.6	↓-4.1
9/20 07:30	112.4	↓-4.2
9/20 07:40	108.1	↓-4.3
9/20 07:50	103.7	↓-4.4
9/20 08:00	99.3	↓-4.4
9/20 08:10	94.8	↓-4.5	最大潮位差
9/20 08:20	90.4	↓-4.4
9/20 08:30	86.0	↓-4.4
9/20 08:40	81.8	↓-4.2
9/20 08:50	77.6	↓-4.2
9/20 09:00	73.6	↓-4.0
9/20 09:10	69.7	↓-3.9
9/20 09:20	66.1	↓-3.6
9/20 09:30	62.7	↓-3.4
9/20 09:40	59.5	↓-3.2
9/20 09:50	56.7	↓-2.8
9/20 10:00	54.1	↓-2.6
9/20 10:10	51.8	↓-2.3
9/20 10:20	49.8	↓-2.0
9/20 10:30	48.2	↓-1.6
9/20 10:40	47.0	↓-1.2
9/20 10:50	46.1	↓-0.9
9/20 11:00	45.6	↓-0.5	干潮
9/20 11:10	45.4	↓-0.2	干潮
9/20 11:20	45.6	↑0.2
9/20 11:30	46.2	↑0.6
9/20 11:40	47.2	↑1.0
9/20 11:50	48.6	↑1.4
9/20 12:00	50.3	↑1.7
9/20 12:10	52.3	↑2.0
9/20 12:20	54.7	↑2.4
9/20 12:30	57.4	↑2.7
9/20 12:40	60.5	↑3.1
9/20 12:50	63.7	↑3.2
9/20 13:00	67.3	↑3.6
9/20 13:10	71.1	↑3.8
9/20 13:20	75.1	↑4.0
9/20 13:30	79.2	↑4.1
9/20 13:40	83.5	↑4.3
9/20 13:50	87.9	↑4.4
9/20 14:00	92.3	↑4.4
9/20 14:10	96.8	↑4.5	最大潮位差
9/20 14:20	101.3	↑4.5	最大潮位差
9/20 14:30	105.8	↑4.5	最大潮位差
9/20 14:40	110.2	↑4.4
9/20 14:50	114.5	↑4.3
9/20 15:00	118.6	↑4.1
9/20 15:10	122.6	↑4.0
9/20 15:20	126.3	↑3.7
9/20 15:30	129.9	↑3.6
9/20 15:40	133.2	↑3.3
9/20 15:50	136.2	↑3.0
9/20 16:00	138.9	↑2.7
9/20 16:10	141.4	↑2.5
9/20 16:20	143.4	↑2.0
9/20 16:30	145.2	↑1.8
9/20 16:40	146.6	↑1.4
9/20 16:50	147.6	↑1.0
9/20 17:00	148.3	↑0.7
9/20 17:10	148.6	↑0.3	満潮
9/20 17:20	148.5	↓-0.1
9/20 17:30	148.1	↓-0.4
9/20 17:40	147.2	↓-0.9
9/20 17:50	146.1	↓-1.1
9/20 18:00	144.5	↓-1.6
9/20 18:10	142.6	↓-1.9
9/20 18:20	140.4	↓-2.2
9/20 18:30	137.9	↓-2.5
9/20 18:40	135.1	↓-2.8
9/20 18:50	132.0	↓-3.1
9/20 19:00	128.6	↓-3.4
9/20 19:10	125.1	↓-3.5
9/20 19:20	121.3	↓-3.8
9/20 19:30	117.3	↓-4.0
9/20 19:40	113.2	↓-4.1
9/20 19:50	109.0	↓-4.2
9/20 20:00	104.7	↓-4.3
9/20 20:10	100.4	↓-4.3
9/20 20:20	96.0	↓-4.4
9/20 20:30	91.7	↓-4.3
9/20 20:40	87.3	↓-4.4
9/20 20:50	83.1	↓-4.2
9/20 21:00	79.0	↓-4.1
9/20 21:10	75.0	↓-4.0
9/20 21:20	71.2	↓-3.8
9/20 21:30	67.6	↓-3.6
9/20 21:40	64.2	↓-3.4
9/20 21:50	61.1	↓-3.1
9/20 22:00	58.2	↓-2.9
9/20 22:10	55.6	↓-2.6
9/20 22:20	53.3	↓-2.3
9/20 22:30	51.3	↓-2.0
9/20 22:40	49.6	↓-1.7
9/20 22:50	48.3	↓-1.3
9/20 23:00	47.3	↓-1.0
9/20 23:10	46.7	↓-0.6
9/20 23:20	46.5	↓-0.2	干潮
9/20 23:30	46.6	↑0.1
9/20 23:40	47.0	↑0.4
9/20 23:50	47.9	↑0.9