13 (日)	06:57	00:29	18:37	12:49
	123cm	13cm	118cm	47cm
中潮 出 06:29 入 17:17 出 21:41 入 09:00

日立（茨城）2039年02月13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
2/13 00:00	13.7	↓-1.1
2/13 00:10	12.9	↓-0.8
2/13 00:20	12.4	↓-0.5	干潮
2/13 00:30	12.3	↓-0.1
2/13 00:40	12.5	↑0.2
2/13 00:50	13.1	↑0.6
2/13 01:00	14.1	↑1.0
2/13 01:10	15.4	↑1.3
2/13 01:20	17.1	↑1.7
2/13 01:30	19.1	↑2.0
2/13 01:40	21.4	↑2.3
2/13 01:50	24.1	↑2.7
2/13 02:00	27.0	↑2.9
2/13 02:10	30.3	↑3.3
2/13 02:20	33.8	↑3.5
2/13 02:30	37.5	↑3.7
2/13 02:40	41.4	↑3.9
2/13 02:50	45.6	↑4.2
2/13 03:00	49.9	↑4.3
2/13 03:10	54.3	↑4.4
2/13 03:20	58.7	↑4.4
2/13 03:30	63.3	↑4.6	最大潮位差
2/13 03:40	67.8	↑4.5
2/13 03:50	72.4	↑4.6	最大潮位差
2/13 04:00	76.9	↑4.5
2/13 04:10	81.3	↑4.4
2/13 04:20	85.6	↑4.3
2/13 04:30	89.8	↑4.2
2/13 04:40	93.8	↑4.0
2/13 04:50	97.6	↑3.8
2/13 05:00	101.2	↑3.6
2/13 05:10	104.6	↑3.4
2/13 05:20	107.7	↑3.1
2/13 05:30	110.5	↑2.8
2/13 05:40	113.1	↑2.6
2/13 05:50	115.4	↑2.3
2/13 06:00	117.4	↑2.0
2/13 06:10	119.0	↑1.6
2/13 06:20	120.4	↑1.4
2/13 06:30	121.4	↑1.0
2/13 06:40	122.1	↑0.7
2/13 06:50	122.5	↑0.4	満潮
2/13 07:00	122.5	0
2/13 07:10	122.3	↓-0.2
2/13 07:20	121.7	↓-0.6
2/13 07:30	120.7	↓-1.0
2/13 07:40	119.5	↓-1.2
2/13 07:50	118.0	↓-1.5
2/13 08:00	116.2	↓-1.8
2/13 08:10	114.1	↓-2.1
2/13 08:20	111.8	↓-2.3
2/13 08:30	109.2	↓-2.6
2/13 08:40	106.5	↓-2.7
2/13 08:50	103.5	↓-3.0
2/13 09:00	100.5	↓-3.0
2/13 09:10	97.2	↓-3.3
2/13 09:20	93.9	↓-3.3
2/13 09:30	90.5	↓-3.4
2/13 09:40	87.1	↓-3.4
2/13 09:50	83.7	↓-3.4
2/13 10:00	80.3	↓-3.4
2/13 10:10	76.9	↓-3.4
2/13 10:20	73.6	↓-3.3
2/13 10:30	70.5	↓-3.1
2/13 10:40	67.4	↓-3.1
2/13 10:50	64.5	↓-2.9
2/13 11:00	61.7	↓-2.8
2/13 11:10	59.2	↓-2.5
2/13 11:20	56.8	↓-2.4
2/13 11:30	54.7	↓-2.1
2/13 11:40	52.8	↓-1.9
2/13 11:50	51.1	↓-1.7
2/13 12:00	49.7	↓-1.4
2/13 12:10	48.5	↓-1.2
2/13 12:20	47.6	↓-0.9
2/13 12:30	47.0	↓-0.6
2/13 12:40	46.6	↓-0.4	干潮
2/13 12:50	46.5	↓-0.1
2/13 13:00	46.7	↑0.2
2/13 13:10	47.2	↑0.5
2/13 13:20	47.9	↑0.7
2/13 13:30	49.0	↑1.1
2/13 13:40	50.3	↑1.3
2/13 13:50	51.8	↑1.5
2/13 14:00	53.6	↑1.8
2/13 14:10	55.6	↑2.0
2/13 14:20	57.9	↑2.3
2/13 14:30	60.4	↑2.5
2/13 14:40	63.0	↑2.6
2/13 14:50	65.8	↑2.8
2/13 15:00	68.7	↑2.9
2/13 15:10	71.8	↑3.1
2/13 15:20	75.0	↑3.2
2/13 15:30	78.2	↑3.2
2/13 15:40	81.4	↑3.2
2/13 15:50	84.6	↑3.2
2/13 16:00	87.8	↑3.2
2/13 16:10	91.0	↑3.2
2/13 16:20	94.1	↑3.1
2/13 16:30	97.1	↑3.0
2/13 16:40	99.9	↑2.8
2/13 16:50	102.6	↑2.7
2/13 17:00	105.1	↑2.5
2/13 17:10	107.4	↑2.3
2/13 17:20	109.5	↑2.1
2/13 17:30	111.4	↑1.9
2/13 17:40	113.1	↑1.7
2/13 17:50	114.5	↑1.4
2/13 18:00	115.6	↑1.1
2/13 18:10	116.5	↑0.9
2/13 18:20	117.1	↑0.6
2/13 18:30	117.4	↑0.3	満潮
2/13 18:40	117.5	↑0.1
2/13 18:50	117.2	↓-0.3
2/13 19:00	116.7	↓-0.5
2/13 19:10	115.9	↓-0.8
2/13 19:20	114.8	↓-1.1
2/13 19:30	113.4	↓-1.4
2/13 19:40	111.7	↓-1.7
2/13 19:50	109.8	↓-1.9
2/13 20:00	107.6	↓-2.2
2/13 20:10	105.2	↓-2.4
2/13 20:20	102.6	↓-2.6
2/13 20:30	99.7	↓-2.9
2/13 20:40	96.7	↓-3.0
2/13 20:50	93.4	↓-3.3
2/13 21:00	90.0	↓-3.4
2/13 21:10	86.5	↓-3.5
2/13 21:20	82.9	↓-3.6
2/13 21:30	79.2	↓-3.7
2/13 21:40	75.4	↓-3.8
2/13 21:50	71.6	↓-3.8
2/13 22:00	67.8	↓-3.8
2/13 22:10	64.1	↓-3.7
2/13 22:20	60.4	↓-3.7
2/13 22:30	56.8	↓-3.6
2/13 22:40	53.3	↓-3.5
2/13 22:50	49.9	↓-3.4
2/13 23:00	46.7	↓-3.2
2/13 23:10	43.7	↓-3.0
2/13 23:20	40.8	↓-2.9
2/13 23:30	38.2	↓-2.6
2/13 23:40	35.8	↓-2.4
2/13 23:50	33.7	↓-2.1