20 (月)	05:21	10:59	16:45	23:20
	125cm	43cm	134cm	7cm
大潮 出 06:20 入 17:25 出 06:53 入 18:54

大洗（茨城）2034年02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
2/20 00:00	11.4	↑2.7
2/20 00:10	14.4	↑3.0
2/20 00:20	17.8	↑3.4
2/20 00:30	21.4	↑3.6
2/20 00:40	25.3	↑3.9
2/20 00:50	29.5	↑4.2
2/20 01:00	33.9	↑4.4
2/20 01:10	38.4	↑4.5
2/20 01:20	43.1	↑4.7
2/20 01:30	48.0	↑4.9
2/20 01:40	52.9	↑4.9
2/20 01:50	57.9	↑5.0
2/20 02:00	62.9	↑5.0
2/20 02:10	67.9	↑5.0
2/20 02:20	72.8	↑4.9
2/20 02:30	77.7	↑4.9
2/20 02:40	82.5	↑4.8
2/20 02:50	87.1	↑4.6
2/20 03:00	91.5	↑4.4
2/20 03:10	95.8	↑4.3
2/20 03:20	99.8	↑4.0
2/20 03:30	103.6	↑3.8
2/20 03:40	107.2	↑3.6
2/20 03:50	110.4	↑3.2
2/20 04:00	113.4	↑3.0
2/20 04:10	116.1	↑2.7
2/20 04:20	118.4	↑2.3
2/20 04:30	120.4	↑2.0
2/20 04:40	122.0	↑1.6
2/20 04:50	123.3	↑1.3
2/20 05:00	124.2	↑0.9
2/20 05:10	124.7	↑0.5
2/20 05:20	124.9	↑0.2	満潮
2/20 05:30	124.7	↓-0.2
2/20 05:40	124.2	↓-0.5
2/20 05:50	123.3	↓-0.9
2/20 06:00	122.0	↓-1.3
2/20 06:10	120.4	↓-1.6
2/20 06:20	118.6	↓-1.8
2/20 06:30	116.4	↓-2.2
2/20 06:40	113.9	↓-2.5
2/20 06:50	111.1	↓-2.8
2/20 07:00	108.1	↓-3.0
2/20 07:10	105.0	↓-3.1
2/20 07:20	101.6	↓-3.4
2/20 07:30	98.1	↓-3.5
2/20 07:40	94.4	↓-3.7
2/20 07:50	90.7	↓-3.7
2/20 08:00	86.9	↓-3.8
2/20 08:10	83.1	↓-3.8
2/20 08:20	79.3	↓-3.8
2/20 08:30	75.5	↓-3.8
2/20 08:40	71.8	↓-3.7
2/20 08:50	68.2	↓-3.6
2/20 09:00	64.8	↓-3.4
2/20 09:10	61.5	↓-3.3
2/20 09:20	58.4	↓-3.1
2/20 09:30	55.5	↓-2.9
2/20 09:40	52.9	↓-2.6
2/20 09:50	50.5	↓-2.4
2/20 10:00	48.4	↓-2.1
2/20 10:10	46.6	↓-1.8
2/20 10:20	45.1	↓-1.5
2/20 10:30	44.0	↓-1.1
2/20 10:40	43.2	↓-0.8
2/20 10:50	42.7	↓-0.5	干潮
2/20 11:00	42.6	↓-0.1
2/20 11:10	42.8	↑0.2
2/20 11:20	43.4	↑0.6
2/20 11:30	44.4	↑1.0
2/20 11:40	45.7	↑1.3
2/20 11:50	47.4	↑1.7
2/20 12:00	49.3	↑1.9
2/20 12:10	51.6	↑2.3
2/20 12:20	54.2	↑2.6
2/20 12:30	57.1	↑2.9
2/20 12:40	60.3	↑3.2
2/20 12:50	63.6	↑3.3
2/20 13:00	67.2	↑3.6
2/20 13:10	71.0	↑3.8
2/20 13:20	74.9	↑3.9
2/20 13:30	78.9	↑4.0
2/20 13:40	83.0	↑4.1
2/20 13:50	87.1	↑4.1
2/20 14:00	91.3	↑4.2
2/20 14:10	95.4	↑4.1
2/20 14:20	99.4	↑4.0
2/20 14:30	103.4	↑4.0
2/20 14:40	107.2	↑3.8
2/20 14:50	110.8	↑3.6
2/20 15:00	114.3	↑3.5
2/20 15:10	117.5	↑3.2
2/20 15:20	120.5	↑3.0
2/20 15:30	123.3	↑2.8
2/20 15:40	125.7	↑2.4
2/20 15:50	127.8	↑2.1
2/20 16:00	129.6	↑1.8
2/20 16:10	131.0	↑1.4
2/20 16:20	132.1	↑1.1
2/20 16:30	132.8	↑0.7
2/20 16:40	133.2	↑0.4	満潮
2/20 16:50	133.1	↓-0.1
2/20 17:00	132.7	↓-0.4
2/20 17:10	131.9	↓-0.8
2/20 17:20	130.8	↓-1.1
2/20 17:30	129.2	↓-1.6
2/20 17:40	127.3	↓-1.9
2/20 17:50	125.1	↓-2.2
2/20 18:00	122.4	↓-2.7
2/20 18:10	119.5	↓-2.9
2/20 18:20	116.2	↓-3.3
2/20 18:30	112.7	↓-3.5
2/20 18:40	108.8	↓-3.9
2/20 18:50	104.7	↓-4.1
2/20 19:00	100.4	↓-4.3
2/20 19:10	95.9	↓-4.5
2/20 19:20	91.2	↓-4.7
2/20 19:30	86.4	↓-4.8
2/20 19:40	81.5	↓-4.9
2/20 19:50	76.4	↓-5.1	最大潮位差
2/20 20:00	71.4	↓-5.0
2/20 20:10	66.3	↓-5.1	最大潮位差
2/20 20:20	61.3	↓-5.0
2/20 20:30	56.3	↓-5.0
2/20 20:40	51.4	↓-4.9
2/20 20:50	46.6	↓-4.8
2/20 21:00	42.0	↓-4.6
2/20 21:10	37.6	↓-4.4
2/20 21:20	33.3	↓-4.3
2/20 21:30	29.4	↓-3.9
2/20 21:40	25.6	↓-3.8
2/20 21:50	22.2	↓-3.4
2/20 22:00	19.1	↓-3.1
2/20 22:10	16.2	↓-2.9
2/20 22:20	13.8	↓-2.4
2/20 22:30	11.7	↓-2.1
2/20 22:40	9.9	↓-1.8
2/20 22:50	8.5	↓-1.4
2/20 23:00	7.6	↓-0.9
2/20 23:10	7.0	↓-0.6	干潮
2/20 23:20	6.8	↓-0.2	干潮
2/20 23:30	7.0	↑0.2
2/20 23:40	7.7	↑0.7
2/20 23:50	8.7	↑1.0