19 (金)	08:57	02:36	23:07	16:14
	105cm	63cm	86cm	33cm
小潮 出 06:22 入 17:23 出 00:30 入 11:13

那珂湊（茨城）2055年02月19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
2/19 00:00	75.5	↓-1.4
2/19 00:10	74.1	↓-1.4
2/19 00:20	72.8	↓-1.3
2/19 00:30	71.4	↓-1.4
2/19 00:40	70.1	↓-1.3
2/19 00:50	68.9	↓-1.2
2/19 01:00	67.8	↓-1.1
2/19 01:10	66.7	↓-1.1
2/19 01:20	65.8	↓-0.9
2/19 01:30	64.9	↓-0.9
2/19 01:40	64.2	↓-0.7
2/19 01:50	63.6	↓-0.6
2/19 02:00	63.0	↓-0.6
2/19 02:10	62.7	↓-0.3
2/19 02:20	62.4	↓-0.3
2/19 02:30	62.3	↓-0.1	干潮
2/19 02:40	62.3	0
2/19 02:50	62.4	↑0.1
2/19 03:00	62.7	↑0.3
2/19 03:10	63.0	↑0.3
2/19 03:20	63.5	↑0.5
2/19 03:30	64.2	↑0.7
2/19 03:40	64.9	↑0.7
2/19 03:50	65.7	↑0.8
2/19 04:00	66.7	↑1.0
2/19 04:10	67.8	↑1.1
2/19 04:20	68.9	↑1.1
2/19 04:30	70.2	↑1.3
2/19 04:40	71.5	↑1.3
2/19 04:50	72.9	↑1.4
2/19 05:00	74.4	↑1.5
2/19 05:10	76.0	↑1.6
2/19 05:20	77.6	↑1.6
2/19 05:30	79.2	↑1.6
2/19 05:40	80.9	↑1.7
2/19 05:50	82.6	↑1.7
2/19 06:00	84.3	↑1.7
2/19 06:10	86.1	↑1.8
2/19 06:20	87.8	↑1.7
2/19 06:30	89.5	↑1.7
2/19 06:40	91.2	↑1.7
2/19 06:50	92.8	↑1.6
2/19 07:00	94.4	↑1.6
2/19 07:10	95.9	↑1.5
2/19 07:20	97.3	↑1.4
2/19 07:30	98.7	↑1.4
2/19 07:40	99.9	↑1.2
2/19 07:50	101.0	↑1.1
2/19 08:00	102.0	↑1.0
2/19 08:10	102.9	↑0.9
2/19 08:20	103.6	↑0.7
2/19 08:30	104.1	↑0.5
2/19 08:40	104.5	↑0.4
2/19 08:50	104.7	↑0.2	満潮
2/19 09:00	104.7	0
2/19 09:10	104.5	↓-0.2
2/19 09:20	104.1	↓-0.4
2/19 09:30	103.6	↓-0.5
2/19 09:40	102.8	↓-0.8
2/19 09:50	101.9	↓-0.9
2/19 10:00	100.8	↓-1.1
2/19 10:10	99.5	↓-1.3
2/19 10:20	98.0	↓-1.5
2/19 10:30	96.3	↓-1.7
2/19 10:40	94.5	↓-1.8
2/19 10:50	92.5	↓-2.0
2/19 11:00	90.4	↓-2.1
2/19 11:10	88.2	↓-2.2
2/19 11:20	85.9	↓-2.3
2/19 11:30	83.5	↓-2.4
2/19 11:40	81.0	↓-2.5
2/19 11:50	78.4	↓-2.6
2/19 12:00	75.8	↓-2.6
2/19 12:10	73.1	↓-2.7	最大潮位差
2/19 12:20	70.5	↓-2.6
2/19 12:30	67.8	↓-2.7	最大潮位差
2/19 12:40	65.2	↓-2.6
2/19 12:50	62.6	↓-2.6
2/19 13:00	60.0	↓-2.6
2/19 13:10	57.5	↓-2.5
2/19 13:20	55.0	↓-2.5
2/19 13:30	52.7	↓-2.3
2/19 13:40	50.4	↓-2.3
2/19 13:50	48.2	↓-2.2
2/19 14:00	46.2	↓-2.0
2/19 14:10	44.3	↓-1.9
2/19 14:20	42.5	↓-1.8
2/19 14:30	40.8	↓-1.7
2/19 14:40	39.3	↓-1.5
2/19 14:50	37.9	↓-1.4
2/19 15:00	36.7	↓-1.2
2/19 15:10	35.6	↓-1.1
2/19 15:20	34.7	↓-0.9
2/19 15:30	33.9	↓-0.8
2/19 15:40	33.3	↓-0.6
2/19 15:50	32.9	↓-0.4
2/19 16:00	32.6	↓-0.3
2/19 16:10	32.5	↓-0.1	干潮
2/19 16:20	32.5	0
2/19 16:30	32.7	↑0.2
2/19 16:40	33.1	↑0.4
2/19 16:50	33.6	↑0.5
2/19 17:00	34.2	↑0.6
2/19 17:10	35.0	↑0.8
2/19 17:20	36.0	↑1.0
2/19 17:30	37.0	↑1.0
2/19 17:40	38.2	↑1.2
2/19 17:50	39.6	↑1.4
2/19 18:00	41.0	↑1.4
2/19 18:10	42.6	↑1.6
2/19 18:20	44.2	↑1.6
2/19 18:30	46.0	↑1.8
2/19 18:40	47.8	↑1.8
2/19 18:50	49.7	↑1.9
2/19 19:00	51.7	↑2.0
2/19 19:10	53.7	↑2.0
2/19 19:20	55.7	↑2.0
2/19 19:30	57.8	↑2.1
2/19 19:40	59.8	↑2.0
2/19 19:50	61.9	↑2.1
2/19 20:00	63.9	↑2.0
2/19 20:10	65.9	↑2.0
2/19 20:20	67.9	↑2.0
2/19 20:30	69.8	↑1.9
2/19 20:40	71.7	↑1.9
2/19 20:50	73.4	↑1.7
2/19 21:00	75.1	↑1.7
2/19 21:10	76.7	↑1.6
2/19 21:20	78.1	↑1.4
2/19 21:30	79.5	↑1.4
2/19 21:40	80.7	↑1.2
2/19 21:50	81.8	↑1.1
2/19 22:00	82.7	↑0.9
2/19 22:10	83.5	↑0.8
2/19 22:20	84.2	↑0.7
2/19 22:30	84.7	↑0.5
2/19 22:40	85.1	↑0.4
2/19 22:50	85.4	↑0.3
2/19 23:00	85.6	↑0.2	満潮
2/19 23:10	85.6	0
2/19 23:20	85.5	↓-0.1
2/19 23:30	85.3	↓-0.2
2/19 23:40	84.9	↓-0.4
2/19 23:50	84.5	↓-0.4