01 (火)	07:06	00:55	19:57	13:49
	118cm	48cm	95cm	34cm
小潮 出 06:09 入 17:33 出 09:28 入 23:22

日立（茨城）2039年03月01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
3/1 00:00	50.5	↓-1.3
3/1 00:10	49.4	↓-1.1
3/1 00:20	48.6	↓-0.8
3/1 00:30	47.9	↓-0.7
3/1 00:40	47.5	↓-0.4
3/1 00:50	47.3	↓-0.2	干潮
3/1 01:00	47.3	0
3/1 01:10	47.6	↑0.3
3/1 01:20	48.1	↑0.5
3/1 01:30	48.8	↑0.7
3/1 01:40	49.7	↑0.9
3/1 01:50	50.9	↑1.2
3/1 02:00	52.3	↑1.4
3/1 02:10	53.9	↑1.6
3/1 02:20	55.7	↑1.8
3/1 02:30	57.7	↑2.0
3/1 02:40	59.9	↑2.2
3/1 02:50	62.2	↑2.3
3/1 03:00	64.8	↑2.6
3/1 03:10	67.4	↑2.6
3/1 03:20	70.2	↑2.8
3/1 03:30	73.0	↑2.8
3/1 03:40	75.9	↑2.9
3/1 03:50	78.9	↑3.0
3/1 04:00	81.9	↑3.0
3/1 04:10	85.0	↑3.1
3/1 04:20	87.9	↑2.9
3/1 04:30	90.9	↑3.0
3/1 04:40	93.8	↑2.9
3/1 04:50	96.6	↑2.8
3/1 05:00	99.2	↑2.6
3/1 05:10	101.8	↑2.6
3/1 05:20	104.2	↑2.4
3/1 05:30	106.4	↑2.2
3/1 05:40	108.5	↑2.1
3/1 05:50	110.3	↑1.8
3/1 06:00	112.0	↑1.7
3/1 06:10	113.4	↑1.4
3/1 06:20	114.6	↑1.2
3/1 06:30	115.6	↑1.0
3/1 06:40	116.3	↑0.7
3/1 06:50	116.8	↑0.5
3/1 07:00	117.1	↑0.3	満潮
3/1 07:10	117.1	0
3/1 07:20	116.8	↓-0.3
3/1 07:30	116.3	↓-0.5
3/1 07:40	115.6	↓-0.7
3/1 07:50	114.6	↓-1.0
3/1 08:00	113.3	↓-1.3
3/1 08:10	111.9	↓-1.4
3/1 08:20	110.2	↓-1.7
3/1 08:30	108.2	↓-2.0
3/1 08:40	106.1	↓-2.1
3/1 08:50	103.8	↓-2.3
3/1 09:00	101.3	↓-2.5
3/1 09:10	98.6	↓-2.7
3/1 09:20	95.8	↓-2.8
3/1 09:30	92.8	↓-3.0
3/1 09:40	89.7	↓-3.1
3/1 09:50	86.6	↓-3.1
3/1 10:00	83.4	↓-3.2
3/1 10:10	80.1	↓-3.3	最大潮位差
3/1 10:20	76.8	↓-3.3	最大潮位差
3/1 10:30	73.5	↓-3.3	最大潮位差
3/1 10:40	70.2	↓-3.3	最大潮位差
3/1 10:50	67.0	↓-3.2
3/1 11:00	63.8	↓-3.2
3/1 11:10	60.7	↓-3.1
3/1 11:20	57.7	↓-3.0
3/1 11:30	54.9	↓-2.8
3/1 11:40	52.1	↓-2.8
3/1 11:50	49.5	↓-2.6
3/1 12:00	47.1	↓-2.4
3/1 12:10	44.9	↓-2.2
3/1 12:20	42.8	↓-2.1
3/1 12:30	40.9	↓-1.9
3/1 12:40	39.2	↓-1.7
3/1 12:50	37.8	↓-1.4
3/1 13:00	36.6	↓-1.2
3/1 13:10	35.5	↓-1.1
3/1 13:20	34.8	↓-0.7
3/1 13:30	34.2	↓-0.6
3/1 13:40	33.9	↓-0.3	干潮
3/1 13:50	33.8	↓-0.1
3/1 14:00	34.0	↑0.2
3/1 14:10	34.4	↑0.4
3/1 14:20	35.0	↑0.6
3/1 14:30	35.9	↑0.9
3/1 14:40	37.0	↑1.1
3/1 14:50	38.3	↑1.3
3/1 15:00	39.8	↑1.5
3/1 15:10	41.5	↑1.7
3/1 15:20	43.4	↑1.9
3/1 15:30	45.4	↑2.0
3/1 15:40	47.6	↑2.2
3/1 15:50	50.0	↑2.4
3/1 16:00	52.4	↑2.4
3/1 16:10	54.9	↑2.5
3/1 16:20	57.5	↑2.6
3/1 16:30	60.1	↑2.6
3/1 16:40	62.8	↑2.7
3/1 16:50	65.4	↑2.6
3/1 17:00	68.1	↑2.7
3/1 17:10	70.6	↑2.5
3/1 17:20	73.2	↑2.6
3/1 17:30	75.6	↑2.4
3/1 17:40	78.0	↑2.4
3/1 17:50	80.2	↑2.2
3/1 18:00	82.3	↑2.1
3/1 18:10	84.3	↑2.0
3/1 18:20	86.1	↑1.8
3/1 18:30	87.8	↑1.7
3/1 18:40	89.3	↑1.5
3/1 18:50	90.6	↑1.3
3/1 19:00	91.8	↑1.2
3/1 19:10	92.8	↑1.0
3/1 19:20	93.6	↑0.8
3/1 19:30	94.1	↑0.5
3/1 19:40	94.5	↑0.4
3/1 19:50	94.7	↑0.2	満潮
3/1 20:00	94.8	↑0.1
3/1 20:10	94.6	↓-0.2
3/1 20:20	94.2	↓-0.4
3/1 20:30	93.7	↓-0.5
3/1 20:40	93.0	↓-0.7
3/1 20:50	92.1	↓-0.9
3/1 21:00	91.1	↓-1.0
3/1 21:10	89.9	↓-1.2
3/1 21:20	88.6	↓-1.3
3/1 21:30	87.2	↓-1.4
3/1 21:40	85.6	↓-1.6
3/1 21:50	84.0	↓-1.6
3/1 22:00	82.3	↓-1.7
3/1 22:10	80.6	↓-1.7
3/1 22:20	78.8	↓-1.8
3/1 22:30	77.0	↓-1.8
3/1 22:40	75.2	↓-1.8
3/1 22:50	73.5	↓-1.7
3/1 23:00	71.7	↓-1.8
3/1 23:10	70.1	↓-1.6
3/1 23:20	68.5	↓-1.6
3/1 23:30	66.9	↓-1.6
3/1 23:40	65.5	↓-1.4
3/1 23:50	64.2	↓-1.3