20 (金)	00:19	03:41	09:59	18:07
	84cm	80cm	104cm	26cm
長潮 出 06:21 入 17:24 出 12:12 入 01:52

那珂湊（茨城）2032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	83.3	↑0.2
2/20 00:10	83.4	↑0.1	満潮
2/20 00:20	83.4	0
2/20 00:30	83.3	↓-0.1
2/20 00:40	83.2	↓-0.1
2/20 00:50	83.1	↓-0.1
2/20 01:00	82.9	↓-0.2
2/20 01:10	82.6	↓-0.3
2/20 01:20	82.4	↓-0.2
2/20 01:30	82.1	↓-0.3
2/20 01:40	81.8	↓-0.3
2/20 01:50	81.5	↓-0.3
2/20 02:00	81.2	↓-0.3
2/20 02:10	80.9	↓-0.3
2/20 02:20	80.6	↓-0.3
2/20 02:30	80.3	↓-0.3
2/20 02:40	80.0	↓-0.3
2/20 02:50	79.8	↓-0.2
2/20 03:00	79.6	↓-0.2
2/20 03:10	79.5	↓-0.1
2/20 03:20	79.4	↓-0.1
2/20 03:30	79.3	↓-0.1
2/20 03:40	79.3	0	干潮
2/20 03:50	79.3	0
2/20 04:00	79.4	↑0.1
2/20 04:10	79.5	↑0.1
2/20 04:20	79.7	↑0.2
2/20 04:30	79.9	↑0.2
2/20 04:40	80.2	↑0.3
2/20 04:50	80.6	↑0.4
2/20 05:00	81.0	↑0.4
2/20 05:10	81.4	↑0.4
2/20 05:20	81.9	↑0.5
2/20 05:30	82.5	↑0.6
2/20 05:40	83.2	↑0.7
2/20 05:50	83.9	↑0.7
2/20 06:00	84.6	↑0.7
2/20 06:10	85.4	↑0.8
2/20 06:20	86.3	↑0.9
2/20 06:30	87.2	↑0.9
2/20 06:40	88.1	↑0.9
2/20 06:50	89.1	↑1.0
2/20 07:00	90.1	↑1.0
2/20 07:10	91.1	↑1.0
2/20 07:20	92.2	↑1.1
2/20 07:30	93.2	↑1.0
2/20 07:40	94.3	↑1.1
2/20 07:50	95.3	↑1.0
2/20 08:00	96.4	↑1.1
2/20 08:10	97.4	↑1.0
2/20 08:20	98.4	↑1.0
2/20 08:30	99.3	↑0.9
2/20 08:40	100.1	↑0.8
2/20 08:50	100.9	↑0.8
2/20 09:00	101.7	↑0.8
2/20 09:10	102.3	↑0.6
2/20 09:20	102.8	↑0.5
2/20 09:30	103.2	↑0.4
2/20 09:40	103.5	↑0.3
2/20 09:50	103.7	↑0.2	満潮
2/20 10:00	103.7	0
2/20 10:10	103.6	↓-0.1
2/20 10:20	103.4	↓-0.2
2/20 10:30	103.0	↓-0.4
2/20 10:40	102.4	↓-0.6
2/20 10:50	101.7	↓-0.7
2/20 11:00	100.9	↓-0.8
2/20 11:10	99.9	↓-1.0
2/20 11:20	98.7	↓-1.2
2/20 11:30	97.4	↓-1.3
2/20 11:40	96.0	↓-1.4
2/20 11:50	94.4	↓-1.6
2/20 12:00	92.7	↓-1.7
2/20 12:10	90.8	↓-1.9
2/20 12:20	88.9	↓-1.9
2/20 12:30	86.8	↓-2.1
2/20 12:40	84.7	↓-2.1
2/20 12:50	82.4	↓-2.3
2/20 13:00	80.1	↓-2.3
2/20 13:10	77.8	↓-2.3
2/20 13:20	75.3	↓-2.5
2/20 13:30	72.9	↓-2.4
2/20 13:40	70.4	↓-2.5
2/20 13:50	67.8	↓-2.6	最大潮位差
2/20 14:00	65.3	↓-2.5
2/20 14:10	62.8	↓-2.5
2/20 14:20	60.2	↓-2.6	最大潮位差
2/20 14:30	57.7	↓-2.5
2/20 14:40	55.3	↓-2.4
2/20 14:50	52.8	↓-2.5
2/20 15:00	50.5	↓-2.3
2/20 15:10	48.1	↓-2.4
2/20 15:20	45.9	↓-2.2
2/20 15:30	43.7	↓-2.2
2/20 15:40	41.6	↓-2.1
2/20 15:50	39.7	↓-1.9
2/20 16:00	37.8	↓-1.9
2/20 16:10	36.0	↓-1.8
2/20 16:20	34.3	↓-1.7
2/20 16:30	32.8	↓-1.5
2/20 16:40	31.4	↓-1.4
2/20 16:50	30.1	↓-1.3
2/20 17:00	29.0	↓-1.1
2/20 17:10	28.0	↓-1.0
2/20 17:20	27.2	↓-0.8
2/20 17:30	26.5	↓-0.7
2/20 17:40	26.0	↓-0.5
2/20 17:50	25.6	↓-0.4
2/20 18:00	25.4	↓-0.2	干潮
2/20 18:10	25.4	0
2/20 18:20	25.6	↑0.2
2/20 18:30	25.9	↑0.3
2/20 18:40	26.4	↑0.5
2/20 18:50	27.0	↑0.6
2/20 19:00	27.8	↑0.8
2/20 19:10	28.8	↑1.0
2/20 19:20	30.0	↑1.2
2/20 19:30	31.2	↑1.2
2/20 19:40	32.6	↑1.4
2/20 19:50	34.2	↑1.6
2/20 20:00	35.9	↑1.7
2/20 20:10	37.7	↑1.8
2/20 20:20	39.5	↑1.8
2/20 20:30	41.5	↑2.0
2/20 20:40	43.6	↑2.1
2/20 20:50	45.7	↑2.1
2/20 21:00	47.9	↑2.2
2/20 21:10	50.2	↑2.3
2/20 21:20	52.4	↑2.2
2/20 21:30	54.7	↑2.3
2/20 21:40	57.0	↑2.3
2/20 21:50	59.2	↑2.2
2/20 22:00	61.4	↑2.2
2/20 22:10	63.6	↑2.2
2/20 22:20	65.8	↑2.2
2/20 22:30	67.9	↑2.1
2/20 22:40	69.9	↑2.0
2/20 22:50	71.9	↑2.0
2/20 23:00	73.7	↑1.8
2/20 23:10	75.5	↑1.8
2/20 23:20	77.1	↑1.6
2/20 23:30	78.7	↑1.6
2/20 23:40	80.1	↑1.4
2/20 23:50	81.5	↑1.4