9 (金)	03:16	07:03	11:18	19:56
	102cm	95cm	105cm	8cm
中潮 出 05:57 入 17:41 出 03:28 入 13:08

日立（茨城）2040年03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
3/9 00:00	77.3	↑2.3
3/9 00:10	79.6	↑2.3
3/9 00:20	81.8	↑2.2
3/9 00:30	83.9	↑2.1
3/9 00:40	85.9	↑2.0
3/9 00:50	87.8	↑1.9
3/9 01:00	89.6	↑1.8
3/9 01:10	91.3	↑1.7
3/9 01:20	92.9	↑1.6
3/9 01:30	94.4	↑1.5
3/9 01:40	95.7	↑1.3
3/9 01:50	96.9	↑1.2
3/9 02:00	98.0	↑1.1
3/9 02:10	98.9	↑0.9
3/9 02:20	99.7	↑0.8
3/9 02:30	100.3	↑0.6
3/9 02:40	100.8	↑0.5
3/9 02:50	101.2	↑0.4
3/9 03:00	101.4	↑0.2
3/9 03:10	101.5	↑0.1	満潮
3/9 03:20	101.6	↑0.1
3/9 03:30	101.5	↓-0.1
3/9 03:40	101.3	↓-0.2
3/9 03:50	101.0	↓-0.3
3/9 04:00	100.6	↓-0.4
3/9 04:10	100.2	↓-0.4
3/9 04:20	99.8	↓-0.4
3/9 04:30	99.3	↓-0.5
3/9 04:40	98.8	↓-0.5
3/9 04:50	98.3	↓-0.5
3/9 05:00	97.8	↓-0.5
3/9 05:10	97.3	↓-0.5
3/9 05:20	96.8	↓-0.5
3/9 05:30	96.3	↓-0.5
3/9 05:40	95.9	↓-0.4
3/9 05:50	95.5	↓-0.4
3/9 06:00	95.2	↓-0.3
3/9 06:10	94.9	↓-0.3
3/9 06:20	94.7	↓-0.2
3/9 06:30	94.5	↓-0.2
3/9 06:40	94.3	↓-0.2
3/9 06:50	94.2	↓-0.1
3/9 07:00	94.2	0	干潮
3/9 07:10	94.2	0
3/9 07:20	94.3	↑0.1
3/9 07:30	94.4	↑0.1
3/9 07:40	94.6	↑0.2
3/9 07:50	94.9	↑0.3
3/9 08:00	95.1	↑0.2
3/9 08:10	95.5	↑0.4
3/9 08:20	95.9	↑0.4
3/9 08:30	96.3	↑0.4
3/9 08:40	96.8	↑0.5
3/9 08:50	97.4	↑0.6
3/9 09:00	97.9	↑0.5
3/9 09:10	98.5	↑0.6
3/9 09:20	99.1	↑0.6
3/9 09:30	99.8	↑0.7
3/9 09:40	100.4	↑0.6
3/9 09:50	101.0	↑0.6
3/9 10:00	101.6	↑0.6
3/9 10:10	102.1	↑0.5
3/9 10:20	102.7	↑0.6
3/9 10:30	103.1	↑0.4
3/9 10:40	103.5	↑0.4
3/9 10:50	103.8	↑0.3
3/9 11:00	104.0	↑0.2
3/9 11:10	104.1	↑0.1	満潮
3/9 11:20	104.2	↑0.1
3/9 11:30	104.1	↓-0.1
3/9 11:40	103.9	↓-0.2
3/9 11:50	103.5	↓-0.4
3/9 12:00	103.1	↓-0.4
3/9 12:10	102.5	↓-0.6
3/9 12:20	101.8	↓-0.7
3/9 12:30	101.0	↓-0.8
3/9 12:40	100.1	↓-0.9
3/9 12:50	99.0	↓-1.1
3/9 13:00	97.8	↓-1.2
3/9 13:10	96.5	↓-1.3
3/9 13:20	95.0	↓-1.5
3/9 13:30	93.4	↓-1.6
3/9 13:40	91.7	↓-1.7
3/9 13:50	89.9	↓-1.8
3/9 14:00	87.9	↓-2.0
3/9 14:10	85.8	↓-2.1
3/9 14:20	83.5	↓-2.3
3/9 14:30	81.2	↓-2.3
3/9 14:40	78.7	↓-2.5
3/9 14:50	76.1	↓-2.6
3/9 15:00	73.4	↓-2.7
3/9 15:10	70.6	↓-2.8
3/9 15:20	67.7	↓-2.9
3/9 15:30	64.7	↓-3.0
3/9 15:40	61.6	↓-3.1
3/9 15:50	58.5	↓-3.1
3/9 16:00	55.4	↓-3.1
3/9 16:10	52.2	↓-3.2
3/9 16:20	49.0	↓-3.2
3/9 16:30	45.9	↓-3.1
3/9 16:40	42.7	↓-3.2
3/9 16:50	39.6	↓-3.1
3/9 17:00	36.6	↓-3.0
3/9 17:10	33.7	↓-2.9
3/9 17:20	30.8	↓-2.9
3/9 17:30	28.1	↓-2.7
3/9 17:40	25.5	↓-2.6
3/9 17:50	23.0	↓-2.5
3/9 18:00	20.7	↓-2.3
3/9 18:10	18.5	↓-2.2
3/9 18:20	16.5	↓-2.0
3/9 18:30	14.7	↓-1.8
3/9 18:40	13.0	↓-1.7
3/9 18:50	11.5	↓-1.5
3/9 19:00	10.3	↓-1.2
3/9 19:10	9.2	↓-1.1
3/9 19:20	8.3	↓-0.9
3/9 19:30	7.7	↓-0.6
3/9 19:40	7.2	↓-0.5
3/9 19:50	7.0	↓-0.2	干潮
3/9 20:00	7.0	0
3/9 20:10	7.3	↑0.3
3/9 20:20	7.7	↑0.4
3/9 20:30	8.5	↑0.8
3/9 20:40	9.4	↑0.9
3/9 20:50	10.6	↑1.2
3/9 21:00	12.0	↑1.4
3/9 21:10	13.6	↑1.6
3/9 21:20	15.5	↑1.9
3/9 21:30	17.5	↑2.0
3/9 21:40	19.8	↑2.3
3/9 21:50	22.3	↑2.5
3/9 22:00	24.9	↑2.6
3/9 22:10	27.7	↑2.8
3/9 22:20	30.6	↑2.9
3/9 22:30	33.7	↑3.1
3/9 22:40	36.9	↑3.2
3/9 22:50	40.1	↑3.2
3/9 23:00	43.5	↑3.4
3/9 23:10	46.9	↑3.4
3/9 23:20	50.3	↑3.4
3/9 23:30	53.7	↑3.4
3/9 23:40	57.2	↑3.5	最大潮位差
3/9 23:50	60.6	↑3.4