9 (月)	03:12	08:52	14:33	21:05
	112cm	52cm	111cm	20cm
中潮 出 05:13 入 18:08 出 04:13 入 15:36

日立（茨城）2040年04月9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
4/9 00:00	70.0	↑3.6
4/9 00:10	73.5	↑3.5
4/9 00:20	76.9	↑3.4
4/9 00:30	80.3	↑3.4
4/9 00:40	83.6	↑3.3
4/9 00:50	86.8	↑3.2
4/9 01:00	89.8	↑3.0
4/9 01:10	92.7	↑2.9
4/9 01:20	95.4	↑2.7
4/9 01:30	98.0	↑2.6
4/9 01:40	100.4	↑2.4
4/9 01:50	102.5	↑2.1
4/9 02:00	104.5	↑2.0
4/9 02:10	106.2	↑1.7
4/9 02:20	107.7	↑1.5
4/9 02:30	108.9	↑1.2
4/9 02:40	109.9	↑1.0
4/9 02:50	110.6	↑0.7
4/9 03:00	111.0	↑0.4
4/9 03:10	111.2	↑0.2	満潮
4/9 03:20	111.1	↓-0.1
4/9 03:30	110.7	↓-0.4
4/9 03:40	110.0	↓-0.7
4/9 03:50	109.1	↓-0.9
4/9 04:00	107.9	↓-1.2
4/9 04:10	106.4	↓-1.5
4/9 04:20	104.8	↓-1.6
4/9 04:30	102.9	↓-1.9
4/9 04:40	100.8	↓-2.1
4/9 04:50	98.6	↓-2.2
4/9 05:00	96.2	↓-2.4
4/9 05:10	93.7	↓-2.5
4/9 05:20	91.1	↓-2.6
4/9 05:30	88.5	↓-2.6
4/9 05:40	85.8	↓-2.7
4/9 05:50	83.1	↓-2.7
4/9 06:00	80.3	↓-2.8
4/9 06:10	77.7	↓-2.6
4/9 06:20	75.0	↓-2.7
4/9 06:30	72.4	↓-2.6
4/9 06:40	69.9	↓-2.5
4/9 06:50	67.5	↓-2.4
4/9 07:00	65.3	↓-2.2
4/9 07:10	63.1	↓-2.2
4/9 07:20	61.1	↓-2.0
4/9 07:30	59.3	↓-1.8
4/9 07:40	57.7	↓-1.6
4/9 07:50	56.2	↓-1.5
4/9 08:00	54.9	↓-1.3
4/9 08:10	53.8	↓-1.1
4/9 08:20	53.0	↓-0.8
4/9 08:30	52.4	↓-0.6
4/9 08:40	52.0	↓-0.4
4/9 08:50	51.8	↓-0.2	干潮
4/9 09:00	51.9	↑0.1
4/9 09:10	52.3	↑0.4
4/9 09:20	52.8	↑0.5
4/9 09:30	53.7	↑0.9
4/9 09:40	54.7	↑1.0
4/9 09:50	56.0	↑1.3
4/9 10:00	57.5	↑1.5
4/9 10:10	59.3	↑1.8
4/9 10:20	61.2	↑1.9
4/9 10:30	63.3	↑2.1
4/9 10:40	65.5	↑2.2
4/9 10:50	67.9	↑2.4
4/9 11:00	70.4	↑2.5
4/9 11:10	73.0	↑2.6
4/9 11:20	75.7	↑2.7
4/9 11:30	78.4	↑2.7
4/9 11:40	81.1	↑2.7
4/9 11:50	83.8	↑2.7
4/9 12:00	86.5	↑2.7
4/9 12:10	89.1	↑2.6
4/9 12:20	91.6	↑2.5
4/9 12:30	94.0	↑2.4
4/9 12:40	96.4	↑2.4
4/9 12:50	98.6	↑2.2
4/9 13:00	100.6	↑2.0
4/9 13:10	102.5	↑1.9
4/9 13:20	104.2	↑1.7
4/9 13:30	105.7	↑1.5
4/9 13:40	107.1	↑1.4
4/9 13:50	108.2	↑1.1
4/9 14:00	109.1	↑0.9
4/9 14:10	109.8	↑0.7
4/9 14:20	110.2	↑0.4
4/9 14:30	110.4	↑0.2	満潮
4/9 14:40	110.3	↓-0.1
4/9 14:50	110.0	↓-0.3
4/9 15:00	109.4	↓-0.6
4/9 15:10	108.5	↓-0.9
4/9 15:20	107.4	↓-1.1
4/9 15:30	106.0	↓-1.4
4/9 15:40	104.3	↓-1.7
4/9 15:50	102.4	↓-1.9
4/9 16:00	100.2	↓-2.2
4/9 16:10	97.7	↓-2.5
4/9 16:20	95.1	↓-2.6
4/9 16:30	92.2	↓-2.9
4/9 16:40	89.2	↓-3.0
4/9 16:50	86.0	↓-3.2
4/9 17:00	82.6	↓-3.4
4/9 17:10	79.1	↓-3.5
4/9 17:20	75.5	↓-3.6
4/9 17:30	71.9	↓-3.6
4/9 17:40	68.2	↓-3.7
4/9 17:50	64.5	↓-3.7
4/9 18:00	60.8	↓-3.7
4/9 18:10	57.2	↓-3.6
4/9 18:20	53.6	↓-3.6
4/9 18:30	50.1	↓-3.5
4/9 18:40	46.7	↓-3.4
4/9 18:50	43.5	↓-3.2
4/9 19:00	40.4	↓-3.1
4/9 19:10	37.4	↓-3.0
4/9 19:20	34.7	↓-2.7
4/9 19:30	32.1	↓-2.6
4/9 19:40	29.7	↓-2.4
4/9 19:50	27.6	↓-2.1
4/9 20:00	25.7	↓-1.9
4/9 20:10	24.0	↓-1.7
4/9 20:20	22.6	↓-1.4
4/9 20:30	21.5	↓-1.1
4/9 20:40	20.7	↓-0.8
4/9 20:50	20.1	↓-0.6
4/9 21:00	19.8	↓-0.3	干潮
4/9 21:10	19.8	0
4/9 21:20	20.1	↑0.3
4/9 21:30	20.8	↑0.7
4/9 21:40	21.7	↑0.9
4/9 21:50	22.9	↑1.2
4/9 22:00	24.5	↑1.6
4/9 22:10	26.3	↑1.8
4/9 22:20	28.4	↑2.1
4/9 22:30	30.8	↑2.4
4/9 22:40	33.4	↑2.6
4/9 22:50	36.3	↑2.9
4/9 23:00	39.3	↑3.0
4/9 23:10	42.6	↑3.3
4/9 23:20	46.0	↑3.4
4/9 23:30	49.6	↑3.6
4/9 23:40	53.2	↑3.6
4/9 23:50	57.0	↑3.8	最大潮位差