1 (水)	07:16	00:33	19:08	13:16
	113cm	34cm	97cm	51cm
中潮 出 06:40 入 17:05 出 22:09 入 09:05

那珂湊（茨城）2051年02月1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
2/1 00:00	34.3	↓-0.9
2/1 00:10	33.6	↓-0.7
2/1 00:20	33.2	↓-0.4
2/1 00:30	33.0	↓-0.2	干潮
2/1 00:40	33.1	↑0.1
2/1 00:50	33.4	↑0.3
2/1 01:00	34.0	↑0.6
2/1 01:10	34.8	↑0.8
2/1 01:20	35.8	↑1.0
2/1 01:30	37.1	↑1.3
2/1 01:40	38.6	↑1.5
2/1 01:50	40.3	↑1.7
2/1 02:00	42.2	↑1.9
2/1 02:10	44.2	↑2.0
2/1 02:20	46.5	↑2.3
2/1 02:30	48.8	↑2.3
2/1 02:40	51.4	↑2.6
2/1 02:50	54.0	↑2.6
2/1 03:00	56.7	↑2.7
2/1 03:10	59.6	↑2.9
2/1 03:20	62.5	↑2.9
2/1 03:30	65.5	↑3.0
2/1 03:40	68.5	↑3.0
2/1 03:50	71.5	↑3.0
2/1 04:00	74.6	↑3.1	最大潮位差
2/1 04:10	77.6	↑3.0
2/1 04:20	80.6	↑3.0
2/1 04:30	83.6	↑3.0
2/1 04:40	86.5	↑2.9
2/1 04:50	89.4	↑2.9
2/1 05:00	92.1	↑2.7
2/1 05:10	94.7	↑2.6
2/1 05:20	97.2	↑2.5
2/1 05:30	99.6	↑2.4
2/1 05:40	101.8	↑2.2
2/1 05:50	103.8	↑2.0
2/1 06:00	105.7	↑1.9
2/1 06:10	107.3	↑1.6
2/1 06:20	108.7	↑1.4
2/1 06:30	109.9	↑1.2
2/1 06:40	110.9	↑1.0
2/1 06:50	111.7	↑0.8
2/1 07:00	112.2	↑0.5
2/1 07:10	112.4	↑0.2	満潮
2/1 07:20	112.5	↑0.1
2/1 07:30	112.2	↓-0.3
2/1 07:40	111.7	↓-0.5
2/1 07:50	111.0	↓-0.7
2/1 08:00	110.0	↓-1.0
2/1 08:10	108.8	↓-1.2
2/1 08:20	107.4	↓-1.4
2/1 08:30	105.8	↓-1.6
2/1 08:40	103.9	↓-1.9
2/1 08:50	101.9	↓-2.0
2/1 09:00	99.8	↓-2.1
2/1 09:10	97.5	↓-2.3
2/1 09:20	95.0	↓-2.5
2/1 09:30	92.5	↓-2.5
2/1 09:40	89.9	↓-2.6
2/1 09:50	87.2	↓-2.7
2/1 10:00	84.4	↓-2.8
2/1 10:10	81.7	↓-2.7
2/1 10:20	79.0	↓-2.7
2/1 10:30	76.3	↓-2.7
2/1 10:40	73.6	↓-2.7
2/1 10:50	71.0	↓-2.6
2/1 11:00	68.6	↓-2.4
2/1 11:10	66.2	↓-2.4
2/1 11:20	63.9	↓-2.3
2/1 11:30	61.8	↓-2.1
2/1 11:40	59.9	↓-1.9
2/1 11:50	58.1	↓-1.8
2/1 12:00	56.5	↓-1.6
2/1 12:10	55.0	↓-1.5
2/1 12:20	53.8	↓-1.2
2/1 12:30	52.8	↓-1.0
2/1 12:40	52.0	↓-0.8
2/1 12:50	51.4	↓-0.6
2/1 13:00	51.0	↓-0.4
2/1 13:10	50.8	↓-0.2	干潮
2/1 13:20	50.8	0
2/1 13:30	51.0	↑0.2
2/1 13:40	51.3	↑0.3
2/1 13:50	51.9	↑0.6
2/1 14:00	52.6	↑0.7
2/1 14:10	53.5	↑0.9
2/1 14:20	54.6	↑1.1
2/1 14:30	55.8	↑1.2
2/1 14:40	57.2	↑1.4
2/1 14:50	58.6	↑1.4
2/1 15:00	60.2	↑1.6
2/1 15:10	61.9	↑1.7
2/1 15:20	63.6	↑1.7
2/1 15:30	65.4	↑1.8
2/1 15:40	67.3	↑1.9
2/1 15:50	69.2	↑1.9
2/1 16:00	71.2	↑2.0
2/1 16:10	73.2	↑2.0
2/1 16:20	75.1	↑1.9
2/1 16:30	77.1	↑2.0
2/1 16:40	79.0	↑1.9
2/1 16:50	80.9	↑1.9
2/1 17:00	82.8	↑1.9
2/1 17:10	84.6	↑1.8
2/1 17:20	86.3	↑1.7
2/1 17:30	87.9	↑1.6
2/1 17:40	89.3	↑1.4
2/1 17:50	90.7	↑1.4
2/1 18:00	92.0	↑1.3
2/1 18:10	93.1	↑1.1
2/1 18:20	94.0	↑0.9
2/1 18:30	94.8	↑0.8
2/1 18:40	95.4	↑0.6
2/1 18:50	95.8	↑0.4
2/1 19:00	96.0	↑0.2	満潮
2/1 19:10	96.0	0
2/1 19:20	95.9	↓-0.1
2/1 19:30	95.5	↓-0.4
2/1 19:40	94.9	↓-0.6
2/1 19:50	94.2	↓-0.7
2/1 20:00	93.2	↓-1.0
2/1 20:10	92.0	↓-1.2
2/1 20:20	90.7	↓-1.3
2/1 20:30	89.2	↓-1.5
2/1 20:40	87.5	↓-1.7
2/1 20:50	85.6	↓-1.9
2/1 21:00	83.6	↓-2.0
2/1 21:10	81.5	↓-2.1
2/1 21:20	79.3	↓-2.2
2/1 21:30	77.0	↓-2.3
2/1 21:40	74.6	↓-2.4
2/1 21:50	72.2	↓-2.4
2/1 22:00	69.7	↓-2.5
2/1 22:10	67.2	↓-2.5
2/1 22:20	64.8	↓-2.4
2/1 22:30	62.3	↓-2.5
2/1 22:40	60.0	↓-2.3
2/1 22:50	57.7	↓-2.3
2/1 23:00	55.4	↓-2.3
2/1 23:10	53.3	↓-2.1
2/1 23:20	51.4	↓-1.9
2/1 23:30	49.6	↓-1.8
2/1 23:40	47.9	↓-1.7
2/1 23:50	46.4	↓-1.5