20 (土)	07:45	01:19	21:43	14:55
	110cm	61cm	81cm	32cm
小潮 出 06:21 入 17:24 出 - 入 09:40

那珂湊（茨城）2044年02月20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
2/20 00:00	64.8	↓-1.2
2/20 00:10	63.8	↓-1.0
2/20 00:20	62.9	↓-0.9
2/20 00:30	62.1	↓-0.8
2/20 00:40	61.5	↓-0.6
2/20 00:50	61.0	↓-0.5
2/20 01:00	60.6	↓-0.4
2/20 01:10	60.4	↓-0.2	干潮
2/20 01:20	60.4	0
2/20 01:30	60.5	↑0.1
2/20 01:40	60.7	↑0.2
2/20 01:50	61.1	↑0.4
2/20 02:00	61.7	↑0.6
2/20 02:10	62.4	↑0.7
2/20 02:20	63.3	↑0.9
2/20 02:30	64.2	↑0.9
2/20 02:40	65.4	↑1.2
2/20 02:50	66.6	↑1.2
2/20 03:00	68.0	↑1.4
2/20 03:10	69.4	↑1.4
2/20 03:20	71.0	↑1.6
2/20 03:30	72.6	↑1.6
2/20 03:40	74.3	↑1.7
2/20 03:50	76.1	↑1.8
2/20 04:00	78.0	↑1.9
2/20 04:10	79.8	↑1.8
2/20 04:20	81.8	↑2.0
2/20 04:30	83.7	↑1.9
2/20 04:40	85.7	↑2.0
2/20 04:50	87.6	↑1.9
2/20 05:00	89.6	↑2.0
2/20 05:10	91.5	↑1.9
2/20 05:20	93.4	↑1.9
2/20 05:30	95.2	↑1.8
2/20 05:40	97.0	↑1.8
2/20 05:50	98.7	↑1.7
2/20 06:00	100.3	↑1.6
2/20 06:10	101.8	↑1.5
2/20 06:20	103.2	↑1.4
2/20 06:30	104.5	↑1.3
2/20 06:40	105.7	↑1.2
2/20 06:50	106.7	↑1.0
2/20 07:00	107.6	↑0.9
2/20 07:10	108.3	↑0.7
2/20 07:20	108.8	↑0.5
2/20 07:30	109.2	↑0.4
2/20 07:40	109.3	↑0.1	満潮
2/20 07:50	109.3	0
2/20 08:00	109.1	↓-0.2
2/20 08:10	108.7	↓-0.4
2/20 08:20	108.0	↓-0.7
2/20 08:30	107.2	↓-0.8
2/20 08:40	106.2	↓-1.0
2/20 08:50	104.9	↓-1.3
2/20 09:00	103.5	↓-1.4
2/20 09:10	101.8	↓-1.7
2/20 09:20	100.0	↓-1.8
2/20 09:30	98.0	↓-2.0
2/20 09:40	95.9	↓-2.1
2/20 09:50	93.6	↓-2.3
2/20 10:00	91.1	↓-2.5
2/20 10:10	88.6	↓-2.5
2/20 10:20	85.9	↓-2.7
2/20 10:30	83.1	↓-2.8
2/20 10:40	80.3	↓-2.8
2/20 10:50	77.4	↓-2.9
2/20 11:00	74.5	↓-2.9
2/20 11:10	71.5	↓-3.0	最大潮位差
2/20 11:20	68.6	↓-2.9
2/20 11:30	65.6	↓-3.0	最大潮位差
2/20 11:40	62.7	↓-2.9
2/20 11:50	59.9	↓-2.8
2/20 12:00	57.1	↓-2.8
2/20 12:10	54.4	↓-2.7
2/20 12:20	51.8	↓-2.6
2/20 12:30	49.3	↓-2.5
2/20 12:40	47.0	↓-2.3
2/20 12:50	44.8	↓-2.2
2/20 13:00	42.7	↓-2.1
2/20 13:10	40.8	↓-1.9
2/20 13:20	39.0	↓-1.8
2/20 13:30	37.5	↓-1.5
2/20 13:40	36.1	↓-1.4
2/20 13:50	34.8	↓-1.3
2/20 14:00	33.8	↓-1.0
2/20 14:10	32.9	↓-0.9
2/20 14:20	32.2	↓-0.7
2/20 14:30	31.7	↓-0.5
2/20 14:40	31.4	↓-0.3
2/20 14:50	31.3	↓-0.1	干潮
2/20 15:00	31.3	0
2/20 15:10	31.5	↑0.2
2/20 15:20	31.8	↑0.3
2/20 15:30	32.3	↑0.5
2/20 15:40	33.0	↑0.7
2/20 15:50	33.7	↑0.7
2/20 16:00	34.7	↑1.0
2/20 16:10	35.7	↑1.0
2/20 16:20	36.9	↑1.2
2/20 16:30	38.2	↑1.3
2/20 16:40	39.6	↑1.4
2/20 16:50	41.1	↑1.5
2/20 17:00	42.7	↑1.6
2/20 17:10	44.3	↑1.6
2/20 17:20	46.1	↑1.8
2/20 17:30	47.8	↑1.7
2/20 17:40	49.7	↑1.9
2/20 17:50	51.5	↑1.8
2/20 18:00	53.4	↑1.9
2/20 18:10	55.3	↑1.9
2/20 18:20	57.3	↑2.0
2/20 18:30	59.2	↑1.9
2/20 18:40	61.0	↑1.8
2/20 18:50	62.9	↑1.9
2/20 19:00	64.7	↑1.8
2/20 19:10	66.5	↑1.8
2/20 19:20	68.2	↑1.7
2/20 19:30	69.8	↑1.6
2/20 19:40	71.3	↑1.5
2/20 19:50	72.8	↑1.5
2/20 20:00	74.1	↑1.3
2/20 20:10	75.3	↑1.2
2/20 20:20	76.5	↑1.2
2/20 20:30	77.4	↑0.9
2/20 20:40	78.3	↑0.9
2/20 20:50	79.1	↑0.8
2/20 21:00	79.7	↑0.6
2/20 21:10	80.1	↑0.4
2/20 21:20	80.5	↑0.4
2/20 21:30	80.7	↑0.2
2/20 21:40	80.8	↑0.1	満潮
2/20 21:50	80.7	↓-0.1
2/20 22:00	80.6	↓-0.1
2/20 22:10	80.3	↓-0.3
2/20 22:20	80.0	↓-0.3
2/20 22:30	79.5	↓-0.5
2/20 22:40	79.0	↓-0.5
2/20 22:50	78.4	↓-0.6
2/20 23:00	77.8	↓-0.6
2/20 23:10	77.1	↓-0.7
2/20 23:20	76.4	↓-0.7
2/20 23:30	75.6	↓-0.8
2/20 23:40	74.9	↓-0.7
2/20 23:50	74.2	↓-0.7