20 (水)	08:53	02:31	-	17:08
	111cm	72cm	-	39cm
小潮 出 06:21 入 17:24 出 01:03 入 11:36

日立（茨城）2036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	77.6	↓-0.5
2/20 00:10	77.1	↓-0.5
2/20 00:20	76.6	↓-0.5
2/20 00:30	76.1	↓-0.5
2/20 00:40	75.5	↓-0.6
2/20 00:50	75.0	↓-0.5
2/20 01:00	74.5	↓-0.5
2/20 01:10	74.0	↓-0.5
2/20 01:20	73.6	↓-0.4
2/20 01:30	73.2	↓-0.4
2/20 01:40	72.8	↓-0.4
2/20 01:50	72.5	↓-0.3
2/20 02:00	72.2	↓-0.3
2/20 02:10	72.0	↓-0.2
2/20 02:20	71.9	↓-0.1
2/20 02:30	71.9	0	干潮
2/20 02:40	71.9	0
2/20 02:50	72.0	↑0.1
2/20 03:00	72.3	↑0.3
2/20 03:10	72.6	↑0.3
2/20 03:20	73.1	↑0.5
2/20 03:30	73.7	↑0.6
2/20 03:40	74.4	↑0.7
2/20 03:50	75.2	↑0.8
2/20 04:00	76.1	↑0.9
2/20 04:10	77.1	↑1.0
2/20 04:20	78.2	↑1.1
2/20 04:30	79.5	↑1.3
2/20 04:40	80.8	↑1.3
2/20 04:50	82.1	↑1.3
2/20 05:00	83.6	↑1.5
2/20 05:10	85.1	↑1.5
2/20 05:20	86.7	↑1.6
2/20 05:30	88.3	↑1.6
2/20 05:40	89.9	↑1.6
2/20 05:50	91.5	↑1.6
2/20 06:00	93.1	↑1.6
2/20 06:10	94.7	↑1.6
2/20 06:20	96.3	↑1.6
2/20 06:30	97.9	↑1.6
2/20 06:40	99.4	↑1.5
2/20 06:50	100.8	↑1.4
2/20 07:00	102.2	↑1.4
2/20 07:10	103.5	↑1.3
2/20 07:20	104.7	↑1.2
2/20 07:30	105.8	↑1.1
2/20 07:40	106.8	↑1.0
2/20 07:50	107.7	↑0.9
2/20 08:00	108.5	↑0.8
2/20 08:10	109.1	↑0.6
2/20 08:20	109.7	↑0.6
2/20 08:30	110.1	↑0.4
2/20 08:40	110.3	↑0.2
2/20 08:50	110.4	↑0.1	満潮
2/20 09:00	110.3	↓-0.1
2/20 09:10	110.1	↓-0.2
2/20 09:20	109.8	↓-0.3
2/20 09:30	109.3	↓-0.5
2/20 09:40	108.6	↓-0.7
2/20 09:50	107.8	↓-0.8
2/20 10:00	106.8	↓-1.0
2/20 10:10	105.7	↓-1.1
2/20 10:20	104.4	↓-1.3
2/20 10:30	103.1	↓-1.3
2/20 10:40	101.6	↓-1.5
2/20 10:50	100.0	↓-1.6
2/20 11:00	98.2	↓-1.8
2/20 11:10	96.4	↓-1.8
2/20 11:20	94.5	↓-1.9
2/20 11:30	92.6	↓-1.9
2/20 11:40	90.5	↓-2.1
2/20 11:50	88.4	↓-2.1
2/20 12:00	86.3	↓-2.1
2/20 12:10	84.1	↓-2.2
2/20 12:20	81.9	↓-2.2
2/20 12:30	79.7	↓-2.2
2/20 12:40	77.5	↓-2.2
2/20 12:50	75.3	↓-2.2
2/20 13:00	73.0	↓-2.3	最大潮位差
2/20 13:10	70.8	↓-2.2
2/20 13:20	68.6	↓-2.2
2/20 13:30	66.4	↓-2.2
2/20 13:40	64.2	↓-2.2
2/20 13:50	62.1	↓-2.1
2/20 14:00	60.0	↓-2.1
2/20 14:10	58.0	↓-2.0
2/20 14:20	56.0	↓-2.0
2/20 14:30	54.1	↓-1.9
2/20 14:40	52.3	↓-1.8
2/20 14:50	50.5	↓-1.8
2/20 15:00	48.9	↓-1.6
2/20 15:10	47.4	↓-1.5
2/20 15:20	45.9	↓-1.5
2/20 15:30	44.6	↓-1.3
2/20 15:40	43.4	↓-1.2
2/20 15:50	42.4	↓-1.0
2/20 16:00	41.4	↓-1.0
2/20 16:10	40.6	↓-0.8
2/20 16:20	40.0	↓-0.6
2/20 16:30	39.4	↓-0.6
2/20 16:40	39.0	↓-0.4
2/20 16:50	38.7	↓-0.3
2/20 17:00	38.6	↓-0.1	干潮
2/20 17:10	38.6	0
2/20 17:20	38.7	↑0.1
2/20 17:30	38.9	↑0.2
2/20 17:40	39.2	↑0.3
2/20 17:50	39.6	↑0.4
2/20 18:00	40.1	↑0.5
2/20 18:10	40.8	↑0.7
2/20 18:20	41.5	↑0.7
2/20 18:30	42.3	↑0.8
2/20 18:40	43.2	↑0.9
2/20 18:50	44.1	↑0.9
2/20 19:00	45.2	↑1.1
2/20 19:10	46.3	↑1.1
2/20 19:20	47.4	↑1.1
2/20 19:30	48.7	↑1.3
2/20 19:40	50.0	↑1.3
2/20 19:50	51.3	↑1.3
2/20 20:00	52.7	↑1.4
2/20 20:10	54.1	↑1.4
2/20 20:20	55.5	↑1.4
2/20 20:30	56.9	↑1.4
2/20 20:40	58.4	↑1.5
2/20 20:50	59.9	↑1.5
2/20 21:00	61.3	↑1.4
2/20 21:10	62.8	↑1.5
2/20 21:20	64.2	↑1.4
2/20 21:30	65.6	↑1.4
2/20 21:40	66.9	↑1.3
2/20 21:50	68.2	↑1.3
2/20 22:00	69.5	↑1.3
2/20 22:10	70.7	↑1.2
2/20 22:20	71.9	↑1.2
2/20 22:30	73.0	↑1.1
2/20 22:40	74.0	↑1.0
2/20 22:50	75.0	↑1.0
2/20 23:00	75.9	↑0.9
2/20 23:10	76.7	↑0.8
2/20 23:20	77.5	↑0.8
2/20 23:30	78.2	↑0.7
2/20 23:40	78.9	↑0.7
2/20 23:50	79.5	↑0.6