20 (水)	06:31	00:12	18:18	12:25
	124cm	22cm	119cm	47cm
中潮 出 06:20 入 17:25 出 21:16 入 08:24

大洗（茨城）2041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	21.9	↓-0.5
2/20 00:10	21.6	↓-0.3	干潮
2/20 00:20	21.8	↑0.2
2/20 00:30	22.2	↑0.4
2/20 00:40	23.0	↑0.8
2/20 00:50	24.2	↑1.2
2/20 01:00	25.7	↑1.5
2/20 01:10	27.5	↑1.8
2/20 01:20	29.6	↑2.1
2/20 01:30	32.0	↑2.4
2/20 01:40	34.8	↑2.8
2/20 01:50	37.8	↑3.0
2/20 02:00	41.0	↑3.2
2/20 02:10	44.5	↑3.5
2/20 02:20	48.2	↑3.7
2/20 02:30	52.0	↑3.8
2/20 02:40	56.1	↑4.1
2/20 02:50	60.2	↑4.1
2/20 03:00	64.4	↑4.2
2/20 03:10	68.7	↑4.3	最大潮位差
2/20 03:20	73.0	↑4.3	最大潮位差
2/20 03:30	77.3	↑4.3	最大潮位差
2/20 03:40	81.5	↑4.2
2/20 03:50	85.7	↑4.2
2/20 04:00	89.8	↑4.1
2/20 04:10	93.7	↑3.9
2/20 04:20	97.5	↑3.8
2/20 04:30	101.2	↑3.7
2/20 04:40	104.6	↑3.4
2/20 04:50	107.7	↑3.1
2/20 05:00	110.7	↑3.0
2/20 05:10	113.3	↑2.6
2/20 05:20	115.7	↑2.4
2/20 05:30	117.8	↑2.1
2/20 05:40	119.6	↑1.8
2/20 05:50	121.0	↑1.4
2/20 06:00	122.2	↑1.2
2/20 06:10	123.0	↑0.8
2/20 06:20	123.5	↑0.5
2/20 06:30	123.6	↑0.1	満潮
2/20 06:40	123.4	↓-0.2
2/20 06:50	122.9	↓-0.5
2/20 07:00	122.1	↓-0.8
2/20 07:10	121.0	↓-1.1
2/20 07:20	119.6	↓-1.4
2/20 07:30	117.9	↓-1.7
2/20 07:40	115.9	↓-2.0
2/20 07:50	113.7	↓-2.2
2/20 08:00	111.2	↓-2.5
2/20 08:10	108.6	↓-2.6
2/20 08:20	105.7	↓-2.9
2/20 08:30	102.7	↓-3.0
2/20 08:40	99.6	↓-3.1
2/20 08:50	96.3	↓-3.3
2/20 09:00	93.0	↓-3.3
2/20 09:10	89.6	↓-3.4
2/20 09:20	86.1	↓-3.5
2/20 09:30	82.7	↓-3.4
2/20 09:40	79.3	↓-3.4
2/20 09:50	76.0	↓-3.3
2/20 10:00	72.7	↓-3.3
2/20 10:10	69.6	↓-3.1
2/20 10:20	66.5	↓-3.1
2/20 10:30	63.7	↓-2.8
2/20 10:40	60.9	↓-2.8
2/20 10:50	58.4	↓-2.5
2/20 11:00	56.1	↓-2.3
2/20 11:10	54.0	↓-2.1
2/20 11:20	52.2	↓-1.8
2/20 11:30	50.5	↓-1.7
2/20 11:40	49.2	↓-1.3
2/20 11:50	48.1	↓-1.1
2/20 12:00	47.3	↓-0.8
2/20 12:10	46.7	↓-0.6
2/20 12:20	46.4	↓-0.3	干潮
2/20 12:30	46.5	↑0.1
2/20 12:40	46.8	↑0.3
2/20 12:50	47.3	↑0.5
2/20 13:00	48.2	↑0.9
2/20 13:10	49.3	↑1.1
2/20 13:20	50.7	↑1.4
2/20 13:30	52.3	↑1.6
2/20 13:40	54.2	↑1.9
2/20 13:50	56.3	↑2.1
2/20 14:00	58.6	↑2.3
2/20 14:10	61.1	↑2.5
2/20 14:20	63.8	↑2.7
2/20 14:30	66.7	↑2.9
2/20 14:40	69.6	↑2.9
2/20 14:50	72.7	↑3.1
2/20 15:00	75.9	↑3.2
2/20 15:10	79.1	↑3.2
2/20 15:20	82.3	↑3.2
2/20 15:30	85.5	↑3.2
2/20 15:40	88.7	↑3.2
2/20 15:50	91.9	↑3.2
2/20 16:00	95.0	↑3.1
2/20 16:10	97.9	↑2.9
2/20 16:20	100.8	↑2.9
2/20 16:30	103.5	↑2.7
2/20 16:40	106.0	↑2.5
2/20 16:50	108.3	↑2.3
2/20 17:00	110.5	↑2.2
2/20 17:10	112.4	↑1.9
2/20 17:20	114.0	↑1.6
2/20 17:30	115.5	↑1.5
2/20 17:40	116.6	↑1.1
2/20 17:50	117.5	↑0.9
2/20 18:00	118.1	↑0.6
2/20 18:10	118.5	↑0.4	満潮
2/20 18:20	118.6	↑0.1
2/20 18:30	118.3	↓-0.3
2/20 18:40	117.9	↓-0.4
2/20 18:50	117.1	↓-0.8
2/20 19:00	116.0	↓-1.1
2/20 19:10	114.7	↓-1.3
2/20 19:20	113.2	↓-1.5
2/20 19:30	111.3	↓-1.9
2/20 19:40	109.3	↓-2.0
2/20 19:50	107.0	↓-2.3
2/20 20:00	104.5	↓-2.5
2/20 20:10	101.8	↓-2.7
2/20 20:20	98.9	↓-2.9
2/20 20:30	95.9	↓-3.0
2/20 20:40	92.7	↓-3.2
2/20 20:50	89.4	↓-3.3
2/20 21:00	86.1	↓-3.3
2/20 21:10	82.6	↓-3.5
2/20 21:20	79.1	↓-3.5
2/20 21:30	75.6	↓-3.5
2/20 21:40	72.1	↓-3.5
2/20 21:50	68.6	↓-3.5
2/20 22:00	65.2	↓-3.4
2/20 22:10	61.9	↓-3.3
2/20 22:20	58.6	↓-3.3
2/20 22:30	55.5	↓-3.1
2/20 22:40	52.5	↓-3.0
2/20 22:50	49.7	↓-2.8
2/20 23:00	47.1	↓-2.6
2/20 23:10	44.7	↓-2.4
2/20 23:20	42.5	↓-2.2
2/20 23:30	40.5	↓-2.0
2/20 23:40	38.8	↓-1.7
2/20 23:50	37.4	↓-1.4