01 (土)	09:50	02:58	-	17:55
	111cm	76cm	-	31cm
長潮 出 06:40 入 17:05 出 11:49 入 01:33

那珂湊（茨城）2031年02月01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	81.0	↓-0.1
2/1 00:10	80.7	↓-0.3
2/1 00:20	80.5	↓-0.2
2/1 00:30	80.1	↓-0.4
2/1 00:40	79.8	↓-0.3
2/1 00:50	79.4	↓-0.4
2/1 01:00	79.0	↓-0.4
2/1 01:10	78.6	↓-0.4
2/1 01:20	78.2	↓-0.4
2/1 01:30	77.8	↓-0.4
2/1 01:40	77.4	↓-0.4
2/1 01:50	77.0	↓-0.4
2/1 02:00	76.7	↓-0.3
2/1 02:10	76.4	↓-0.3
2/1 02:20	76.2	↓-0.2
2/1 02:30	76.0	↓-0.2
2/1 02:40	75.9	↓-0.1
2/1 02:50	75.8	↓-0.1	干潮
2/1 03:00	75.8	0
2/1 03:10	75.8	0
2/1 03:20	75.9	↑0.1
2/1 03:30	76.1	↑0.2
2/1 03:40	76.4	↑0.3
2/1 03:50	76.7	↑0.3
2/1 04:00	77.1	↑0.4
2/1 04:10	77.5	↑0.4
2/1 04:20	78.1	↑0.6
2/1 04:30	78.7	↑0.6
2/1 04:40	79.4	↑0.7
2/1 04:50	80.1	↑0.7
2/1 05:00	80.9	↑0.8
2/1 05:10	81.8	↑0.9
2/1 05:20	82.7	↑0.9
2/1 05:30	83.7	↑1.0
2/1 05:40	84.8	↑1.1
2/1 05:50	85.9	↑1.1
2/1 06:00	87.1	↑1.2
2/1 06:10	88.3	↑1.2
2/1 06:20	89.5	↑1.2
2/1 06:30	90.8	↑1.3
2/1 06:40	92.1	↑1.3
2/1 06:50	93.5	↑1.4
2/1 07:00	94.8	↑1.3
2/1 07:10	96.2	↑1.4
2/1 07:20	97.5	↑1.3
2/1 07:30	98.9	↑1.4
2/1 07:40	100.2	↑1.3
2/1 07:50	101.5	↑1.3
2/1 08:00	102.7	↑1.2
2/1 08:10	103.9	↑1.2
2/1 08:20	105.0	↑1.1
2/1 08:30	106.1	↑1.1
2/1 08:40	107.0	↑0.9
2/1 08:50	107.9	↑0.9
2/1 09:00	108.6	↑0.7
2/1 09:10	109.2	↑0.6
2/1 09:20	109.7	↑0.5
2/1 09:30	110.1	↑0.4
2/1 09:40	110.3	↑0.2	満潮
2/1 09:50	110.4	↑0.1	満潮
2/1 10:00	110.3	↓-0.1
2/1 10:10	110.0	↓-0.3
2/1 10:20	109.6	↓-0.4
2/1 10:30	109.1	↓-0.5
2/1 10:40	108.3	↓-0.8
2/1 10:50	107.4	↓-0.9
2/1 11:00	106.3	↓-1.1
2/1 11:10	105.1	↓-1.2
2/1 11:20	103.7	↓-1.4
2/1 11:30	102.1	↓-1.6
2/1 11:40	100.5	↓-1.6
2/1 11:50	98.6	↓-1.9
2/1 12:00	96.7	↓-1.9
2/1 12:10	94.6	↓-2.1
2/1 12:20	92.4	↓-2.2
2/1 12:30	90.2	↓-2.2
2/1 12:40	87.8	↓-2.4
2/1 12:50	85.4	↓-2.4
2/1 13:00	82.9	↓-2.5
2/1 13:10	80.3	↓-2.6	最大潮位差
2/1 13:20	77.7	↓-2.6	最大潮位差
2/1 13:30	75.1	↓-2.6	最大潮位差
2/1 13:40	72.5	↓-2.6	最大潮位差
2/1 13:50	69.9	↓-2.6	最大潮位差
2/1 14:00	67.3	↓-2.6	最大潮位差
2/1 14:10	64.7	↓-2.6	最大潮位差
2/1 14:20	62.1	↓-2.6	最大潮位差
2/1 14:30	59.6	↓-2.5
2/1 14:40	57.1	↓-2.5
2/1 14:50	54.7	↓-2.4
2/1 15:00	52.4	↓-2.3
2/1 15:10	50.2	↓-2.2
2/1 15:20	48.0	↓-2.2
2/1 15:30	45.9	↓-2.1
2/1 15:40	44.0	↓-1.9
2/1 15:50	42.1	↓-1.9
2/1 16:00	40.4	↓-1.7
2/1 16:10	38.8	↓-1.6
2/1 16:20	37.3	↓-1.5
2/1 16:30	35.9	↓-1.4
2/1 16:40	34.7	↓-1.2
2/1 16:50	33.7	↓-1.0
2/1 17:00	32.7	↓-1.0
2/1 17:10	32.0	↓-0.7
2/1 17:20	31.4	↓-0.6
2/1 17:30	30.9	↓-0.5
2/1 17:40	30.6	↓-0.3
2/1 17:50	30.4	↓-0.2	干潮
2/1 18:00	30.5	↑0.1
2/1 18:10	30.6	↑0.1
2/1 18:20	31.0	↑0.4
2/1 18:30	31.4	↑0.4
2/1 18:40	32.1	↑0.7
2/1 18:50	32.9	↑0.8
2/1 19:00	33.8	↑0.9
2/1 19:10	34.9	↑1.1
2/1 19:20	36.1	↑1.2
2/1 19:30	37.4	↑1.3
2/1 19:40	38.9	↑1.5
2/1 19:50	40.4	↑1.5
2/1 20:00	42.1	↑1.7
2/1 20:10	43.8	↑1.7
2/1 20:20	45.6	↑1.8
2/1 20:30	47.5	↑1.9
2/1 20:40	49.5	↑2.0
2/1 20:50	51.4	↑1.9
2/1 21:00	53.5	↑2.1
2/1 21:10	55.5	↑2.0
2/1 21:20	57.5	↑2.0
2/1 21:30	59.5	↑2.0
2/1 21:40	61.5	↑2.0
2/1 21:50	63.5	↑2.0
2/1 22:00	65.4	↑1.9
2/1 22:10	67.3	↑1.9
2/1 22:20	69.1	↑1.8
2/1 22:30	70.8	↑1.7
2/1 22:40	72.4	↑1.6
2/1 22:50	74.0	↑1.6
2/1 23:00	75.5	↑1.5
2/1 23:10	76.8	↑1.3
2/1 23:20	78.1	↑1.3
2/1 23:30	79.3	↑1.2
2/1 23:40	80.3	↑1.0
2/1 23:50	81.3	↑1.0