31 (水)	01:08	02:30	08:04	17:02
	88cm	88cm	93cm	24cm
小潮 出 05:27 入 17:59 出 01:44 入 11:23 潮干狩り ○ 15:16～17:59

那珂湊（茨城）2027年03月31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
3/31 00:00	86.8	↑0.3
3/31 00:10	87.0	↑0.2
3/31 00:20	87.2	↑0.2
3/31 00:30	87.3	↑0.1
3/31 00:40	87.4	↑0.1
3/31 00:50	87.4	0
3/31 01:00	87.5	↑0.1	満潮
3/31 01:10	87.5	0
3/31 01:20	87.4	↓-0.1
3/31 01:30	87.4	0
3/31 01:40	87.4	0
3/31 01:50	87.4	0
3/31 02:00	87.3	↓-0.1
3/31 02:10	87.3	0
3/31 02:20	87.3	0	干潮
3/31 02:30	87.3	0	干潮
3/31 02:40	87.3	0
3/31 02:50	87.3	0
3/31 03:00	87.4	↑0.1
3/31 03:10	87.4	0
3/31 03:20	87.5	↑0.1
3/31 03:30	87.5	0
3/31 03:40	87.6	↑0.1
3/31 03:50	87.7	↑0.1
3/31 04:00	87.8	↑0.1
3/31 04:10	87.9	↑0.1
3/31 04:20	88.1	↑0.2
3/31 04:30	88.2	↑0.1
3/31 04:40	88.4	↑0.2
3/31 04:50	88.5	↑0.1
3/31 05:00	88.7	↑0.2
3/31 05:10	88.9	↑0.2
3/31 05:20	89.1	↑0.2
3/31 05:30	89.3	↑0.2
3/31 05:40	89.5	↑0.2
3/31 05:50	89.8	↑0.3
3/31 06:00	90.0	↑0.2
3/31 06:10	90.2	↑0.2
3/31 06:20	90.5	↑0.3
3/31 06:30	90.7	↑0.2
3/31 06:40	91.0	↑0.3
3/31 06:50	91.2	↑0.2
3/31 07:00	91.4	↑0.2
3/31 07:10	91.6	↑0.2
3/31 07:20	91.8	↑0.2
3/31 07:30	91.9	↑0.1
3/31 07:40	92.1	↑0.2
3/31 07:50	92.1	0
3/31 08:00	92.2	↑0.1	満潮
3/31 08:10	92.2	0
3/31 08:20	92.1	↓-0.1
3/31 08:30	92.0	↓-0.1
3/31 08:40	91.8	↓-0.2
3/31 08:50	91.5	↓-0.3
3/31 09:00	91.1	↓-0.4
3/31 09:10	90.7	↓-0.4
3/31 09:20	90.1	↓-0.6
3/31 09:30	89.5	↓-0.6
3/31 09:40	88.7	↓-0.8
3/31 09:50	87.9	↓-0.8
3/31 10:00	86.9	↓-1.0
3/31 10:10	85.9	↓-1.0
3/31 10:20	84.7	↓-1.2
3/31 10:30	83.4	↓-1.3
3/31 10:40	82.1	↓-1.3
3/31 10:50	80.6	↓-1.5
3/31 11:00	79.0	↓-1.6
3/31 11:10	77.4	↓-1.6
3/31 11:20	75.6	↓-1.8
3/31 11:30	73.8	↓-1.8
3/31 11:40	71.9	↓-1.9
3/31 11:50	70.0	↓-1.9
3/31 12:00	68.0	↓-2.0
3/31 12:10	65.9	↓-2.1
3/31 12:20	63.8	↓-2.1
3/31 12:30	61.7	↓-2.1
3/31 12:40	59.5	↓-2.2
3/31 12:50	57.4	↓-2.1
3/31 13:00	55.3	↓-2.1
3/31 13:10	53.1	↓-2.2
3/31 13:20	51.0	↓-2.1
3/31 13:30	48.9	↓-2.1
3/31 13:40	46.9	↓-2.0
3/31 13:50	44.9	↓-2.0
3/31 14:00	42.9	↓-2.0
3/31 14:10	41.0	↓-1.9
3/31 14:20	39.2	↓-1.8
3/31 14:30	37.5	↓-1.7
3/31 14:40	35.8	↓-1.7
3/31 14:50	34.2	↓-1.6
3/31 15:00	32.8	↓-1.4
3/31 15:10	31.4	↓-1.4
3/31 15:20	30.1	↓-1.3
3/31 15:30	28.9	↓-1.2
3/31 15:40	27.8	↓-1.1
3/31 15:50	26.9	↓-0.9
3/31 16:00	26.1	↓-0.8
3/31 16:10	25.3	↓-0.8
3/31 16:20	24.7	↓-0.6
3/31 16:30	24.3	↓-0.4
3/31 16:40	23.9	↓-0.4
3/31 16:50	23.7	↓-0.2
3/31 17:00	23.6	↓-0.1	干潮
3/31 17:10	23.7	↑0.1
3/31 17:20	23.9	↑0.2
3/31 17:30	24.2	↑0.3
3/31 17:40	24.7	↑0.5
3/31 17:50	25.3	↑0.6
3/31 18:00	26.0	↑0.7
3/31 18:10	26.9	↑0.9
3/31 18:20	27.9	↑1.0
3/31 18:30	29.0	↑1.1
3/31 18:40	30.2	↑1.2
3/31 18:50	31.6	↑1.4
3/31 19:00	33.1	↑1.5
3/31 19:10	34.7	↑1.6
3/31 19:20	36.4	↑1.7
3/31 19:30	38.2	↑1.8
3/31 19:40	40.1	↑1.9
3/31 19:50	42.1	↑2.0
3/31 20:00	44.2	↑2.1
3/31 20:10	46.3	↑2.1
3/31 20:20	48.5	↑2.2
3/31 20:30	50.7	↑2.2
3/31 20:40	52.9	↑2.2
3/31 20:50	55.2	↑2.3	最大潮位差
3/31 21:00	57.4	↑2.2
3/31 21:10	59.7	↑2.3	最大潮位差
3/31 21:20	61.9	↑2.2
3/31 21:30	64.2	↑2.3	最大潮位差
3/31 21:40	66.3	↑2.1
3/31 21:50	68.5	↑2.2
3/31 22:00	70.5	↑2.0
3/31 22:10	72.5	↑2.0
3/31 22:20	74.5	↑2.0
3/31 22:30	76.3	↑1.8
3/31 22:40	78.1	↑1.8
3/31 22:50	79.7	↑1.6
3/31 23:00	81.3	↑1.6
3/31 23:10	82.8	↑1.5
3/31 23:20	84.1	↑1.3
3/31 23:30	85.4	↑1.3
3/31 23:40	86.5	↑1.1
3/31 23:50	87.5	↑1.0