12 (土)	05:25	11:15	17:14	23:34
	122cm	35cm	129cm	16cm
中潮 出 05:54 入 17:43 出 19:28 入 06:59

日立（茨城）2039年03月12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
3/12 00:00	12.1	↑2.0
3/12 00:10	14.6	↑2.5
3/12 00:20	17.3	↑2.7
3/12 00:30	20.5	↑3.2
3/12 00:40	23.9	↑3.4
3/12 00:50	27.6	↑3.7
3/12 01:00	31.6	↑4.0
3/12 01:10	35.8	↑4.2
3/12 01:20	40.2	↑4.4
3/12 01:30	44.8	↑4.6
3/12 01:40	49.5	↑4.7
3/12 01:50	54.3	↑4.8
3/12 02:00	59.1	↑4.8
3/12 02:10	64.0	↑4.9	最大潮位差
3/12 02:20	68.9	↑4.9	最大潮位差
3/12 02:30	73.7	↑4.8
3/12 02:40	78.4	↑4.7
3/12 02:50	83.0	↑4.6
3/12 03:00	87.4	↑4.4
3/12 03:10	91.7	↑4.3
3/12 03:20	95.7	↑4.0
3/12 03:30	99.5	↑3.8
3/12 03:40	103.1	↑3.6
3/12 03:50	106.4	↑3.3
3/12 04:00	109.4	↑3.0
3/12 04:10	112.2	↑2.8
3/12 04:20	114.6	↑2.4
3/12 04:30	116.6	↑2.0
3/12 04:40	118.4	↑1.8
3/12 04:50	119.7	↑1.3
3/12 05:00	120.8	↑1.1
3/12 05:10	121.5	↑0.7
3/12 05:20	121.8	↑0.3	満潮
3/12 05:30	121.7	↓-0.1
3/12 05:40	121.3	↓-0.4
3/12 05:50	120.6	↓-0.7
3/12 06:00	119.4	↓-1.2
3/12 06:10	118.0	↓-1.4
3/12 06:20	116.1	↓-1.9
3/12 06:30	114.0	↓-2.1
3/12 06:40	111.6	↓-2.4
3/12 06:50	108.8	↓-2.8
3/12 07:00	105.9	↓-2.9
3/12 07:10	102.6	↓-3.3
3/12 07:20	99.2	↓-3.4
3/12 07:30	95.6	↓-3.6
3/12 07:40	91.8	↓-3.8
3/12 07:50	88.0	↓-3.8
3/12 08:00	84.0	↓-4.0
3/12 08:10	80.1	↓-3.9
3/12 08:20	76.1	↓-4.0
3/12 08:30	72.1	↓-4.0
3/12 08:40	68.2	↓-3.9
3/12 08:50	64.4	↓-3.8
3/12 09:00	60.8	↓-3.6
3/12 09:10	57.2	↓-3.6
3/12 09:20	53.9	↓-3.3
3/12 09:30	50.8	↓-3.1
3/12 09:40	47.8	↓-3.0
3/12 09:50	45.2	↓-2.6
3/12 10:00	42.7	↓-2.5
3/12 10:10	40.6	↓-2.1
3/12 10:20	38.7	↓-1.9
3/12 10:30	37.1	↓-1.6
3/12 10:40	35.9	↓-1.2
3/12 10:50	35.0	↓-0.9
3/12 11:00	34.3	↓-0.7
3/12 11:10	34.1	↓-0.2	干潮
3/12 11:20	34.1	0
3/12 11:30	34.5	↑0.4
3/12 11:40	35.2	↑0.7
3/12 11:50	36.3	↑1.1
3/12 12:00	37.7	↑1.4
3/12 12:10	39.4	↑1.7
3/12 12:20	41.4	↑2.0
3/12 12:30	43.8	↑2.4
3/12 12:40	46.4	↑2.6
3/12 12:50	49.3	↑2.9
3/12 13:00	52.5	↑3.2
3/12 13:10	55.9	↑3.4
3/12 13:20	59.6	↑3.7
3/12 13:30	63.3	↑3.7
3/12 13:40	67.3	↑4.0
3/12 13:50	71.3	↑4.0
3/12 14:00	75.5	↑4.2
3/12 14:10	79.6	↑4.1
3/12 14:20	83.8	↑4.2
3/12 14:30	88.0	↑4.2
3/12 14:40	92.1	↑4.1
3/12 14:50	96.1	↑4.0
3/12 15:00	99.9	↑3.8
3/12 15:10	103.6	↑3.7
3/12 15:20	107.2	↑3.6
3/12 15:30	110.5	↑3.3
3/12 15:40	113.6	↑3.1
3/12 15:50	116.4	↑2.8
3/12 16:00	118.9	↑2.5
3/12 16:10	121.2	↑2.3
3/12 16:20	123.2	↑2.0
3/12 16:30	124.8	↑1.6
3/12 16:40	126.1	↑1.3
3/12 16:50	127.1	↑1.0
3/12 17:00	127.7	↑0.6
3/12 17:10	128.0	↑0.3	満潮
3/12 17:20	127.9	↓-0.1
3/12 17:30	127.5	↓-0.4
3/12 17:40	126.7	↓-0.8
3/12 17:50	125.5	↓-1.2
3/12 18:00	124.0	↓-1.5
3/12 18:10	122.1	↓-1.9
3/12 18:20	119.9	↓-2.2
3/12 18:30	117.4	↓-2.5
3/12 18:40	114.5	↓-2.9
3/12 18:50	111.3	↓-3.2
3/12 19:00	107.9	↓-3.4
3/12 19:10	104.2	↓-3.7
3/12 19:20	100.2	↓-4.0
3/12 19:30	96.0	↓-4.2
3/12 19:40	91.7	↓-4.3
3/12 19:50	87.2	↓-4.5
3/12 20:00	82.6	↓-4.6
3/12 20:10	77.9	↓-4.7
3/12 20:20	73.1	↓-4.8
3/12 20:30	68.4	↓-4.7
3/12 20:40	63.7	↓-4.7
3/12 20:50	59.0	↓-4.7
3/12 21:00	54.5	↓-4.5
3/12 21:10	50.0	↓-4.5
3/12 21:20	45.8	↓-4.2
3/12 21:30	41.7	↓-4.1
3/12 21:40	37.9	↓-3.8
3/12 21:50	34.3	↓-3.6
3/12 22:00	30.9	↓-3.4
3/12 22:10	27.9	↓-3.0
3/12 22:20	25.1	↓-2.8
3/12 22:30	22.6	↓-2.5
3/12 22:40	20.5	↓-2.1
3/12 22:50	18.8	↓-1.7
3/12 23:00	17.3	↓-1.5
3/12 23:10	16.3	↓-1.0
3/12 23:20	15.6	↓-0.7
3/12 23:30	15.3	↓-0.3	干潮
3/12 23:40	15.3	0
3/12 23:50	15.8	↑0.5